Central Taxonomic Thesaurus

Taxon Search
  Plantae
      Magnoliophyta
             [Angiospermae]
         Eudicots
             Core Eudicots
                    Caryophyllales
                            Cactaceae
                                     Acanthocalycium
                                             Acanthocalycium klimpelianum
                                             Acanthocalycium spiniflorum
                                     Acanthocereus
                                             Acanthocereus columbianus
                                             Acanthocereus horridus
                                             Acanthocereus occidentalis
                                             Acanthocereus pentagonus
                                             Acanthocereus subinermis
                                             Acanthocereus tetragonus
                                                   [Acanthocereus floridanus]
                                                   [Cactus tetragonus]
                                                   [Cereus pentagonus]
                                     Acanthorhipsalis
                                     Acharagma
                                             Acharagma aguirreanum
                                             Acharagma roseana
                                     Ancistrocactus
                                             Ancistrocactus brevihamatus
                                             Ancistrocactus scheeri
                                             Ancistrocactus tobuschii
                                     Aporocactus
                                             Aporocactus flagelliformis
                                     Ariocarpus
                                             Ariocarpus agavoides
                                             Ariocarpus fissuratus
                                                   [Mammillaria fissurata]
                                               Ariocarpus fissuratus var. fissuratus
                                             Ariocarpus kotschoubeyanus
                                             Ariocarpus retusus
                                             Ariocarpus scaphirostris
                                             Ariocarpus trigonus
                                     Armatocereus
                                             Armatocereus godingianus
                                             Armatocereus mataranus
                                               Armatocereus mataranus ssp. ancashensis
                                             Armatocereus matucanensis
                                             Armatocereus procerus
                                     Arrojadoa
                                             Arrojadoa rhodantha
                                     Astrophytum
                                             Astrophytum asterias
                                                   [Echinocactus asterias]
                                             Astrophytum capricorne
                                             Astrophytum myriostigma
                                             Astrophytum ornatum
                                     Austrocactus
                                             Austrocactus spiniflorus
                                     Austrocylindropuntia
                                             Austrocylindropuntia cylindrica
                                             Austrocylindropuntia pachypus
                                             Austrocylindropuntia subulata
                                     Aylostera
                                     Backebergia
                                             Backebergia militaris
                                     Bartschella
                                     Bergerocactus
                                           [Ombrophytum]
                                             Bergerocactus emoryi
                                                   [Bergerocereus emoryi]
                                                   [Cereus emoryi]
                                     Bergerocereus
                                     Blossfeldia
                                     Bolivicereus
                                     Bonifazia
                                     Borzicactus
                                     Brachycereus
                                             Brachycereus nesioticus
                                     Brasiliopuntia
                                             Brasiliopuntia brasiliensis
                                                   [Cactus brasiliensis]
                                     Browningia
                                             Browningia candelaris
                                     Cactus
                                             Cactus goodridgii
                                             Cactus radiosus
                                     Calymmanthium
                                     Carnegiea
                                           [Carnegia]
                                             Carnegiea gigantea
                                                   [Carnegia gigantea]
                                                   [Cereus giganteus]
                                     Cephalocereus
                                             Cephalocereus apicicephalium
                                             Cephalocereus deeringii
                                             Cephalocereus keyensis
                                             Cephalocereus purpusii
                                             Cephalocereus senilis
                                     Cereus
                                             Cereus Engelmannii
                                             Cereus aethiops
                                             Cereus atacamensis
                                             Cereus blanckii
                                             Cereus blankii
                                             Cereus childsi
                                             Cereus chloranthus
                                             Cereus coccineus
                                             Cereus cochal
                                             Cereus coniflorus
                                             Cereus dasyacanthus
                                               Cereus dasyacanthus var. minor
                                             Cereus dubius
                                             Cereus eriophorus
                                               Cereus eriophorus var. fragrans
                                             Cereus fendleri
                                             Cereus gracilis
                                               Cereus gracilis var. aboriginus
                                               Cereus gracilis var. simpsonii
                                             Cereus grantianus
                                             Cereus gummosus
                                             Cereus hexagonus
                                             Cereus hildmannianus
                                                   [Cereus uruguayanus]
                                                   [Piptanthocereus peruvianus]
                                                   [Stenocereus peruvianus]
                                             Cereus hystrix
                                             Cereus jamacaru
                                             Cereus maritimus
                                             Cereus mojavensis
                                             Cereus munzii
                                             Cereus orcuttii
                                             Cereus pecten-aboriginum
                                             Cereus peruvianus
                                             Cereus phoeniceus
                                               Cereus phoeniceus var. pacificus
                                             Cereus polyacanthus
                                             Cereus portoricensis
                                             Cereus pringlei
                                             Cereus quadricostatus
                                             Cereus repandus
                                                   [Cereus grenadensis]
                                             Cereus robinii
                                               Cereus robinii var. deeringii
                                               Cereus robinii var. keyensis
                                             Cereus roetteri
                                             Cereus spinulosus
                                             Cereus stellatus
                                             Cereus stramineus
                                             Cereus strictus
                                             Cereus trigonus
                                             Cereus undatus
                                             Cereus viridflorus
                                             Cereus viridiflorus
                                               Cereus viridiflorus var. cylindricus
                                     Cinnabarinea
                                     Cleistocactus
                                             Cleistocactus acanthurus
                                             Cleistocactus baumannii
                                             Cleistocactus candelilla
                                             Cleistocactus fieldianus
                                             Cleistocactus hyalacanthus
                                             Cleistocactus icosagonus
                                                   [Borzicactus icosagonus]
                                             Cleistocactus leonensis
                                             Cleistocactus morawetzianus
                                             Cleistocactus samaipatanus
                                             Cleistocactus sepium
                                             Cleistocactus sextonianus
                                             Cleistocactus smaragdiflorus
                                             Cleistocactus strausii
                                             Cleistocactus tarijensis
                                     Cochemiea
                                             Cochemiea halei
                                                   [Mammillaria halei]
                                             Cochemiea maritima
                                                   [Mammillaria maritima]
                                             Cochemiea pondii
                                                   [Mammillaria pondii ssp. maritima]
                                                   [Mammillaria pondii ssp. setispina]
                                                   [Mammillaria pondii]
                                             Cochemiea poselgeri
                                                   [Mammillaria poselgeri]
                                             Cochemiea setispina
                                                   [Mammillaria setispina]
                                     Cochiseia
                                           [Remijia]
                                     Coleocephalocereus
                                             Coleocephalocereus fluminensis
                                     Coloradoa
                                     Consolea
                                             Consolea corallicola
                                                   [Cactus spinosissimus]
                                                   [Opuntia corallicola]
                                                   [Opuntia spinosissima]
                                             Consolea falcata
                                             Consolea moniliformis
                                             Consolea rubescens
                                                   [Opuntia rubescens]
                                     Copiapoa
                                             Copiapoa cinerea
                                             Copiapoa coquimbana
                                             Copiapoa echinoides
                                             Copiapoa fiedleriana
                                             Copiapoa humilis
                                             Copiapoa hypogaea
                                             Copiapoa krainziana
                                             Copiapoa malletiana
                                             Copiapoa marginata
                                             Copiapoa megarhiza
                                             Copiapoa mollicula
                                             Copiapoa solaris
                                             Copiapoa taltalensis
                                             Copiapoa tocopillana
                                     Corryocactus
                                             Corryocactus apiciflorus
                                             Corryocactus aureus
                                             Corryocactus brachypetalus
                                             Corryocactus brevistylus
                                             Corryocactus melanotrichus
                                     Corynopuntia
                                             Corynopuntia stanleyi
                                     Coryphantha
                                             Coryphantha alversonii
                                                   [Coryphantha vivipara var. alversonii]
                                                   [Escobaria alversonii]
                                                   [Escobaria vivipara var. alversonii]
                                                   [Mammillaria alversonii]
                                             Coryphantha bernalensis
                                             Coryphantha bumamma
                                             Coryphantha chaffeyi
                                             Coryphantha chihuahuensis
                                             Coryphantha clavata
                                             Coryphantha compacta
                                             Coryphantha cornifera
                                             Coryphantha cuencamensis
                                             Coryphantha dasyacantha
                                                   [Escobaria dasyacantha]
                                             Coryphantha delaetiana
                                             Coryphantha delicata
                                             Coryphantha duncanii
                                                   [Escobaria dasyacantha var. duncanii]
                                                   [Escobaria duncanii]
                                                   [Mammillaria duncanii]
                                             Coryphantha durangensis
                                             Coryphantha echinoidea
                                             Coryphantha echinus
                                                   [Coryphantha cornifera var. echinus]
                                                   [Coryphantha pectinata]
                                                   [Mammillaria echinus]
                                             Coryphantha elephantidens
                                             Coryphantha erecta
                                             Coryphantha grata
                                             Coryphantha hesteri
                                                   [Escobaria hesteri]
                                             Coryphantha jaumavei
                                             Coryphantha laredoi
                                             Coryphantha laui
                                             Coryphantha macromeris
                                               Coryphantha macromeris ssp. runyonii
                                               Coryphantha macromeris var. macromeris
                                               Coryphantha macromeris var. runyonii
                                             Coryphantha maliterrarum
                                             Coryphantha minima
                                                   [Escobaria minima]
                                             Coryphantha missouriensis
                                                   [Coryphantha missouriensis var. caespitosa]
                                                   [Coryphantha missouriensis var. marstonii]
                                                   [Coryphantha missouriensis var. missouriensis]
                                                   [Coryphantha missouriensis var. robustior]
                                                   [Coryphantha similis]
                                                   [Escobaria missouriensis ssp. navajoensis]
                                                   [Escobaria missouriensis var. caespitosa]
                                                   [Escobaria missouriensis var. marstonii]
                                                   [Escobaria missouriensis var. missouriensis]
                                                   [Escobaria missouriensis var. robustior]
                                                   [Escobaria missouriensis var. similis]
                                                   [Escobaria missouriensis]
                                                   [Mammillaria missouriensis]
                                                   [Mammillaria roseiflora]
                                                   [Mammillaria similis var. robustior]
                                                   [Mammillaria similis]
                                                   [Neobesseya missouriensis]
                                                   [Neobesseya wissmannii]
                                                   [Neomammillaria similis]
                                             Coryphantha muehlenpfordtii
                                             Coryphantha nickelsiae
                                             Coryphantha octacantha
                                             Coryphantha orcuttii
                                             Coryphantha pallida
                                             Coryphantha potosiana
                                             Coryphantha pseudoechinus
                                             Coryphantha pusilliflora
                                             Coryphantha pycnacantha
                                             Coryphantha radians
                                             Coryphantha ramillosa
                                                   [Mammillaria ramillosa]
                                             Coryphantha recurvata
                                                   [Mammillaria recurvata]
                                             Coryphantha retusa
                                             Coryphantha robbinsorum
                                                   [Cochiseia robbinsiorum]
                                                   [Coryphantha robbinsiorum]
                                                   [Escobaria robbinsiorum]
                                                   [Escobaria robbinsorum]
                                             Coryphantha robertii
                                             Coryphantha robustispina
                                                   [Cactus robustispinus]
                                                   [Coryphantha scheeri var. robustispina]
                                                   [Mammillaria robustispina]
                                               Coryphantha robustispina ssp. robustispina
                                               Coryphantha robustispina ssp. scheeri
                                               Coryphantha robustispina ssp. uncinata
                                                     [Coryphantha scheeri var. uncinata]
                                             Coryphantha runyonii
                                             Coryphantha salinensis
                                             Coryphantha scheeri
                                               Coryphantha scheeri var. scheeri
                                                     [Mammillaria scheeri]
                                               Coryphantha scheeri var. valida
                                             Coryphantha scolymoides
                                             Coryphantha sneedii
                                                   [Coryphantha organensis]
                                                   [Coryphantha strobiliformis var. durispina]
                                                   [Coryphantha strobiliformis var. orcuttii]
                                                   [Escobaria orcuttii var. koenigii]
                                                   [Escobaria orcuttii var. macraxima]
                                                   [Escobaria orcuttii]
                                                   [Escobaria organensis]
                                                   [Escobaria sandbergii]
                                                   [Escobaria sneedii]
                                                   [Escobaria villardii]
                                               Coryphantha sneedii var. leei
                                             Coryphantha sulcata
                                               Coryphantha sulcata var. nickelsiae
                                             Coryphantha sulcolanata
                                             Coryphantha tuberculosa
                                                   [Coryphantha dasyacantha var. varicolor]
                                                   [Coryphantha strobiliformis var. strobiliformis]
                                                   [Coryphantha strobiliformis]
                                                   [Escobaria dasyacantha var. varicolor]
                                                   [Escobaria strobiliformis]
                                                   [Escobaria tuberculosa var. varicolor]
                                                   [Mammillaria tuberculosa]
                                                   [Mammillaria varicolor]
                                             Coryphantha villarensis
                                             Coryphantha vivipara
                                               Coryphantha vivipara var. deserti
                                                     [Coryphantha chlorantha]
                                                     [Coryphantha deserti]
                                                     [Coryphantha vivipara var. buoflama]
                                                     [Escobaria vivipara var. buoflama]
                                                     [Escobaria vivipara var. deserti]
                                                     [Mammillaria chlorantha]
                                                     [Mammillaria deserti]
                                                     [Mammillaria vivipara var. deserti]
                                               Coryphantha vivipara var. vivipara
                                                     [Coryphantha arizonica]
                                                     [Coryphantha bisbeeana]
                                                     [Coryphantha fragrans]
                                                     [Coryphantha neomexicana]
                                                     [Coryphantha radiosa]
                                                     [Coryphantha rosea]
                                                     [Coryphantha vivipara var. arizonica]
                                                     [Coryphantha vivipara var. bisbeeana]
                                                     [Coryphantha vivipara var. kaibabensis]
                                                     [Coryphantha vivipara var. neomexicana]
                                                     [Coryphantha vivipara var. radiosa]
                                                     [Coryphantha vivipara var. rosea]
                                                     [Escobaria vivipara var. arizonica]
                                                     [Escobaria vivipara var. bisbeeana]
                                                     [Escobaria vivipara var. kaibabensis]
                                                     [Escobaria vivipara var. neomexicana]
                                                     [Escobaria vivipara var. radiosa]
                                                     [Escobaria vivipara var. rosea]
                                                     [Escobaria vivipara var. vivipara]
                                                     [Escobaria vivipara]
                                                     [Mammillaria arizonica]
                                                     [Mammillaria neomexicana]
                                                     [Mammillaria radiosa]
                                                     [Mammillaria vivipara var. arizonica]
                                                     [Mammillaria vivipara var. borealis]
                                                     [Mammillaria vivipara var. neomexicana]
                                                     [Mammillaria vivipara var. radiosa]
                                                     [Mammillaria vivipara]
                                     Cumulopuntia
                                             Cumulopuntia boliviana
                                             Cumulopuntia hystrix
                                             Cumulopuntia ignescens
                                             Cumulopuntia sphaerica
                                             Cumulopuntia tortispina
                                     Cylindropuntia
                                             Cylindropuntia X campii
                                                   [Opuntia x campii]
                                             Cylindropuntia X deserta
                                                   [Opuntia x deserta]
                                             Cylindropuntia X multigeniculata
                                                   [Opuntia whipplei var. multigeniculata]
                                                   [Opuntia x multigeniculata]
                                             Cylindropuntia abyssi
                                                   [Cylindropuntia abysii]
                                                   [Opuntia abysii]
                                             Cylindropuntia acanthocarpa
                                                   [Opuntia acanthocarpa var. ramosa]
                                                   [Opuntia acanthocarpa]
                                               Cylindropuntia acanthocarpa var. acanthocarpa
                                                     [Opuntia acanthocarpa var. acanthocarpa]
                                               Cylindropuntia acanthocarpa var. coloradensis
                                                     [Opuntia acanthocarpa var. coloradensis]
                                               Cylindropuntia acanthocarpa var. major
                                                     [Opuntia acanthocarpa var. major]
                                                     [Opuntia echinocarpa var. major]
                                               Cylindropuntia acanthocarpa var. thornberi
                                                     [Opuntia acanthocarpa var. thornberi]
                                                     [Opuntia thornberi]
                                             Cylindropuntia acanthocarpa x C. bigelovii
                                             Cylindropuntia acanthocarpa x C. spinosior
                                                           Cylindropuntia acanthocarpa x spinosior
                                             Cylindropuntia alcahes
                                               Cylindropuntia alcahes ssp. alcahes
                                               Cylindropuntia alcahes ssp. burrageana
                                                     [Opuntia brevispina]
                                                     [Opuntia echinocarpa var. nuda]
                                               Cylindropuntia alcahes ssp. gigantensis
                                               Cylindropuntia alcahes ssp. mcgillii
                                                     [Opuntia alcahes]
                                             Cylindropuntia anteojoensis
                                             Cylindropuntia arbuscula
                                                   [Opuntia arbuscula]
                                             Cylindropuntia bigelovii
                                                   [Opuntia bigelovii]
                                               Cylindropuntia bigelovii ssp. bigelovii
                                               Cylindropuntia bigelovii ssp. ciribe
                                                     [Cylindropuntia bigelovii var. ciribe]
                                                     [Cylindropuntia ciribe]
                                                     [Opuntia bigelovii var. ciribe]
                                                     [Opuntia ciribe]
                                               Cylindropuntia bigelovii var. bigelovii
                                             Cylindropuntia californica
                                               Cylindropuntia californica ssp. californica
                                               Cylindropuntia californica ssp. delgadilloana
                                               Cylindropuntia californica ssp. parkeri
                                                     [Cylindropuntia parryi]
                                                     [Opuntia bernardina]
                                                     [Opuntia echinocarpa var. parkeri]
                                                     [Opuntia parryi var. serpentina]
                                               Cylindropuntia californica ssp. rosarica
                                                     [Opuntia rosarica]
                                               Cylindropuntia californica var. californica
                                                     [Opuntia californica var. californica]
                                               Cylindropuntia californica var. parkeri
                                                     [Opuntia californica var. parkeri]
                                                     [Opuntia parryi]
                                               Cylindropuntia californica var. rosarica
                                             Cylindropuntia calmalliana
                                             Cylindropuntia cardenche
                                             Cylindropuntia cholla
                                                   [Opuntia cholla]
                                             Cylindropuntia clavellina
                                             Cylindropuntia davisii
                                                   [Opuntia davisii]
                                                   [Opuntia tunicata var. davisii]
                                             Cylindropuntia delgadilloana
                                             Cylindropuntia echinocarpa
                                                   [Opuntia echinocarpa]
                                             Cylindropuntia fosbergii
                                                   [Opuntia bigelovii var. hoffmannii]
                                                   [Opuntia fosbergii]
                                             Cylindropuntia fulgida
                                                   [Opuntia fulgida]
                                               Cylindropuntia fulgida var. fulgida
                                                     [Opuntia fulgida var. fulgida]
                                               Cylindropuntia fulgida var. mamillata
                                                     [Opuntia fulgida var. mamillata]
                                                     [Opuntia mamillata]
                                             Cylindropuntia ganderi
                                                   [Opuntia acanthocarpa var. ganderi]
                                                   [Opuntia ganderi]
                                               Cylindropuntia ganderi ssp. catavinensis
                                                     [Opuntia acanthocarpa ssp. ganderi]
                                               Cylindropuntia ganderi ssp. ganderi
                                               Cylindropuntia ganderi var. catavinensis
                                             Cylindropuntia imbricata
                                                   [Opuntia imbricata]
                                               Cylindropuntia imbricata var. argentea
                                                     [Opuntia imbricata var. argentea]
                                               Cylindropuntia imbricata var. imbricata
                                                     [Cereus imbricatus]
                                                     [Opuntia arborescens]
                                                     [Opuntia imbricata var. arborescens]
                                                     [Opuntia imbricata var. imbricata]
                                                     [Opuntia imbricata var. vexans]
                                             Cylindropuntia kelvinensis
                                             Cylindropuntia kleiniae
                                             Cylindropuntia leptocalis X acanthocarpa
                                             Cylindropuntia leptocaulis
                                                   [Opuntia leptocaulis var. brittonii]
                                                   [Opuntia leptocaulis]
                                             Cylindropuntia leptocaulis x spinosior
                                             Cylindropuntia leptocaulis x thurberi
                                             Cylindropuntia leptocaulis x versicolor
                                             Cylindropuntia leptocaulis x whipplei
                                             Cylindropuntia lindsayi
                                             Cylindropuntia molesta
                                                   [Opuntia molesta]
                                               Cylindropuntia molesta ssp. clavellina
                                               Cylindropuntia molesta ssp. molesta
                                             Cylindropuntia multigeniculata
                                             Cylindropuntia munzii
                                                   [Cylindropuntia x munzii]
                                                   [Opuntia munzii]
                                             Cylindropuntia neoarbuscula
                                             Cylindropuntia prolifera
                                                   [Opuntia prolifera]
                                             Cylindropuntia ramosissima
                                                   [Opuntia ramosissima]
                                             Cylindropuntia sanfelipensis
                                             Cylindropuntia santamaria
                                                   [Grusonia santamaria]
                                             Cylindropuntia spinosior
                                                   [Opuntia spinosior]
                                                   [Opuntia whipplei var. spinosior]
                                             Cylindropuntia tesajo
                                                   [Opuntia cineracea]
                                                   [Opuntia tesajo]
                                             Cylindropuntia tetracantha
                                             Cylindropuntia thurberi
                                                   [Opuntia thurberi]
                                               Cylindropuntia thurberi ssp. alamosensis
                                                     [Cylindropuntia alamosensis]
                                                     [Opuntia thurberi var. alamosensis]
                                               Cylindropuntia thurberi ssp. thurberi
                                               Cylindropuntia thurberi var. thurberi
                                             Cylindropuntia tunicata
                                                   [Opuntia tunicata var. tunicata]
                                                   [Opuntia tunicata]
                                             Cylindropuntia versicolor
                                                   [Cylindropuntia thurberi ssp. versicolor]
                                                   [Cylindropuntia thurberi var. versicolor]
                                                   [Opuntia thurberi ssp. versicolor]
                                                   [Opuntia thurberi var. versicolor]
                                                   [Opuntia versicolor]
                                             Cylindropuntia viridiflora
                                             Cylindropuntia whipplei
                                                   [Opuntia whipplei var. enodis]
                                                   [Opuntia whipplei]
                                               Cylindropuntia whipplei var. enodis
                                               Cylindropuntia whipplei var. whipplei
                                             Cylindropuntia wolfii
                                                   [Opuntia echinocarpa var. wolfii]
                                                   [Opuntia wolfei]
                                                   [Opuntia wolfii]
                                             Cylindropuntia x congesta
                                                   [Cylindropuntia congesta]
                                                   [Opuntia congesta]
                                                   [Opuntia x congesta]
                                             Cylindropuntia x fosbergii
                                             Cylindropuntia x kelvinensis
                                                   [Opuntia kelvinensis]
                                                   [Opuntia x kelvinensis]
                                             Cylindropuntia x neoarbuscula
                                                   [Opuntia X neoarbuscula]
                                                   [Opuntia neoarbuscula]
                                             Cylindropuntia x tetracantha
                                                   [Opuntia X tetracantha]
                                                   [Opuntia californica]
                                                   [Opuntia kleiniae var. tetracantha]
                                                   [Opuntia tetracantha]
                                             Cylindropuntia x viridiflora
                                                   [Opuntia whipplei var. viridiflora]
                                                   [Opuntia x viridiflora]
                                             Cylindropuntia x vivipara
                                                   [Opuntia X vivipara]
                                                   [Opuntia imbricata var. viridiflora]
                                                   [Opuntia vivipara]
                                     Dendrocereus
                                             Dendrocereus nudiflorus
                                                   [Cereus nudiflorus]
                                     Denmoza
                                             Denmoza rhodacantha
                                     Disocactus
                                             Disocactus amazonicus
                                             Disocactus martianus
                                             Disocactus phyllanthoides
                                             Disocactus schrankii
                                             Disocactus speciosus
                                     Dolichothele
                                             Dolichothele sphaerica
                                     Eccremocactus
                                             Eccremocactus bradei
                                     Echinocactus
                                             Echinocactus alamosanus
                                             Echinocactus bicolor
                                               Echinocactus bicolor var. schottii
                                             Echinocactus brevihamatus
                                             Echinocactus coccineus
                                             Echinocactus emoryi
                                             Echinocactus falconeri
                                             Echinocactus fordii
                                             Echinocactus glaucus
                                             Echinocactus grusonii
                                             Echinocactus hamatacanthus
                                             Echinocactus horizonthalonius
                                               Echinocactus horizonthalonius var. horizonthalonius
                                                     [Echinocactus horizonthalonius var. moelleri]
                                               Echinocactus horizonthalonius var. nicholii
                                                     [Echinocactus horizonthalonius ssp. nicholii]
                                             Echinocactus longihamatus
                                             Echinocactus mariposensis
                                             Echinocactus platyacanthus
                                                   [Echinocactus ingens]
                                             Echinocactus polyancistrus
                                             Echinocactus polycephalus
                                               Echinocactus polycephalus ssp. polycephalus
                                               Echinocactus polycephalus var. polycephalus
                                               Echinocactus polycephalus var. xeranthemoides
                                                     [Echinocactus polycephalus ssp. xeranthemoides]
                                                     [Echinocactus xeranthemoides]
                                             Echinocactus scheeri
                                             Echinocactus setispinus
                                               Echinocactus setispinus var. hamatus
                                             Echinocactus sinuatus
                                             Echinocactus texensis
                                                   [Homalocephala texensis]
                                             Echinocactus tobuschii
                                             Echinocactus warnockii
                                     Echinocereus
                                             Echinocereus apachensis
                                             Echinocereus arizonicus
                                               Echinocereus arizonicus ssp. matudae
                                               Echinocereus arizonicus ssp. nigrihorridispinus
                                             Echinocereus barthelowanus
                                             Echinocereus berlandieri
                                               Echinocereus berlandieri var. blanckii
                                               Echinocereus berlandieri var. blankii
                                               Echinocereus berlandieri var. papillosus
                                             Echinocereus blanckii
                                             Echinocereus blankii
                                             Echinocereus bonkerae
                                                   [Echinocereus fendleri var. bonkerae]
                                               Echinocereus bonkerae ssp. apachensis
                                               Echinocereus bonkerae ssp. bonkerae
                                             Echinocereus brandegeei
                                             Echinocereus bristolii
                                             Echinocereus caespitosus
                                               Echinocereus caespitosus var. minor
                                               Echinocereus caespitosus var. perbellus
                                               Echinocereus caespitosus var. purpureus
                                             Echinocereus chisoensis
                                                   [Echinocereus reichenbachii var. chisoensis]
                                             Echinocereus chisosensis
                                             Echinocereus chloranthus
                                               Echinocereus chloranthus ssp. rhyolithensis
                                               Echinocereus chloranthus var. cylindricus
                                               Echinocereus chloranthus var. neocapillus
                                             Echinocereus cinerascens
                                             Echinocereus coccineus
                                                   [Echinocereus santaritensis]
                                                   [Echinocereus triglochidiatus var. melanacanthus]
                                                   [Echinocereus triglochidiatus var. octacanthus]
                                                   [Echinocereus triglochidiatus var. paucispinus]
                                                   [Echinocereus triglochidiatus var. polyacanthus]
                                                   [Echinocereus triglochidiatus var. toroweapensis]
                                               Echinocereus coccineus ssp. coccineus
                                               Echinocereus coccineus ssp. rosei
                                               Echinocereus coccineus var. arizonicus
                                                     [Echinocereus polyacanthus var. neomexicanus]
                                                     [Echinocereus triglochidiatus var. arizonicus]
                                                     [Echinocereus triglochidiatus var. neomexicanus]
                                               Echinocereus coccineus var. coccineus
                                                     [Coryphantha vivipara var. aggregata]
                                                     [Echinocereus coccineus var. conoideus]
                                                     [Echinocereus coccineus var. inermis]
                                                     [Echinocereus octacanthus]
                                                     [Echinocereus polyacanthus var. rosei]
                                                     [Echinocereus triglochidiatus var. hexaedrus]
                                                     [Mammillaria aggregata]
                                               Echinocereus coccineus var. gurneyi
                                               Echinocereus coccineus var. paucispinus
                                             Echinocereus conglomeratus
                                             Echinocereus dasyacanthus
                                                   [Echinocereus ctenoides]
                                                   [Echinocereus dasyacanthus var. hildmannii]
                                                   [Echinocereus pectinatus var. ctenoides]
                                                   [Echinocereus pectinatus var. dasyacanthus]
                                                   [Echinocereus pectinatus var. neomexicanus]
                                             Echinocereus davisii
                                             Echinocereus dubius
                                             Echinocereus engelmannii
                                               Echinocereus engelmannii ssp. decumbens
                                               Echinocereus engelmannii ssp. engelmannii
                                               Echinocereus engelmannii ssp. llanuraensis
                                                     [Echinocereus nicholii ssp. llanuraensis]
                                               Echinocereus engelmannii var. acicularis
                                               Echinocereus engelmannii var. armatus
                                               Echinocereus engelmannii var. chrysocentrus
                                               Echinocereus engelmannii var. engelmannii
                                               Echinocereus engelmannii var. howei
                                               Echinocereus engelmannii var. munzii
                                                     [Echinocereus munzii]
                                               Echinocereus engelmannii var. purpureus
                                               Echinocereus engelmannii var. variegatus
                                             Echinocereus enneacanthus
                                               Echinocereus enneacanthus ssp. brevispinus
                                               Echinocereus enneacanthus var. brevispinus
                                               Echinocereus enneacanthus var. carnosus
                                               Echinocereus enneacanthus var. dubius
                                               Echinocereus enneacanthus var. enneacanthus
                                             Echinocereus fasciculatus
                                                   [Echinocereus fendleri var. fasciculatus]
                                             Echinocereus fendleri
                                               Echinocereus fendleri ssp. fendleri
                                                     [Echinocereus fendleri var. kuenzleri]
                                                     [Echinocereus hempelii]
                                                     [Echinocereus kuenzleri]
                                               Echinocereus fendleri ssp. rectispinus
                                                     [Echinocereus hempelii ssp. rectispinus]
                                               Echinocereus fendleri var. boyce-thompsonii
                                                     [Echinocereus boyce-thompsonii]
                                                     [Echinocereus fasciculatus var. boyce-thompsonii]
                                               Echinocereus fendleri var. fendleri
                                               Echinocereus fendleri var. rectispinus
                                                     [Echinocereus rectispinus]
                                             Echinocereus ferreirianus
                                             Echinocereus fitchii
                                             Echinocereus freudenbergeri
                                             Echinocereus gonacanthus
                                             Echinocereus grandis
                                             Echinocereus klapperi
                                             Echinocereus knippelianus
                                             Echinocereus laui
                                             Echinocereus lauii
                                             Echinocereus ledingii
                                                   [Echinocereus fendleri var. ledingii]
                                             Echinocereus leucanthus
                                                   [Wilcoxia albiflora]
                                             Echinocereus lindsayi
                                                   [Echinocereus ferreirianus var. lindsayi]
                                             Echinocereus lloydii
                                             Echinocereus longisetus
                                             Echinocereus luteus
                                             Echinocereus mamillatus
                                             Echinocereus mapimiensis
                                             Echinocereus maritimus
                                               Echinocereus maritimus ssp. hancockii
                                               Echinocereus maritimus ssp. maritimus
                                             Echinocereus matudae
                                             Echinocereus melanocentrus
                                             Echinocereus mombergerianus
                                             Echinocereus nicholii
                                                   [Echinocereus engelmannii var. nicholii]
                                             Echinocereus occidentalis
                                             Echinocereus ortegae
                                             Echinocereus pacificus
                                             Echinocereus palmeri
                                             Echinocereus pamanesiorum
                                             Echinocereus papillosus
                                               Echinocereus papillosus var. angusticeps
                                                     [Echinocereus angusticeps]
                                                     [Echinocereus berlandieri var. angusticeps]
                                                     [Echinocereus blanckii var. angusticeps]
                                                     [Echinocereus blankii var. angusticeps]
                                               Echinocereus papillosus var. papillosus
                                             Echinocereus parkeri
                                             Echinocereus pectinatus
                                               Echinocereus pectinatus ssp. wenigeri
                                               Echinocereus pectinatus var. minor
                                               Echinocereus pectinatus var. pectinatus
                                               Echinocereus pectinatus var. wenigeri
                                             Echinocereus pentalophus
                                               Echinocereus pentalophus ssp. leonensis
                                             Echinocereus perbellus
                                             Echinocereus polyacanthus
                                               Echinocereus polyacanthus ssp. pacificus
                                               Echinocereus polyacanthus var. huitcholensis
                                             Echinocereus poselgeri
                                                   [Cereus poselgeri]
                                                   [Cereus tuberosus]
                                                   [Wilcoxia poselgeri]
                                             Echinocereus primolanatus
                                             Echinocereus pseudopectinatus
                                                   [Echinocereus bristolii var. pseudopectinatus]
                                             Echinocereus pulchellus
                                             Echinocereus rayonensis
                                             Echinocereus reichenbachii
                                               Echinocereus reichenbachii ssp. armatus
                                               Echinocereus reichenbachii ssp. baileyi
                                                     [Echinocereus albispinus]
                                                     [Echinocereus baileyi var. albispinus]
                                                     [Echinocereus baileyi]
                                                     [Echinocereus reichenbachii var. albispinus]
                                                     [Echinocereus reichenbachii var. baileyi]
                                               Echinocereus reichenbachii ssp. fitchii
                                               Echinocereus reichenbachii ssp. perbellus
                                               Echinocereus reichenbachii ssp. reichenbachii
                                               Echinocereus reichenbachii var. albertii
                                               Echinocereus reichenbachii var. fitchii
                                               Echinocereus reichenbachii var. perbellus
                                               Echinocereus reichenbachii var. reichenbachii
                                             Echinocereus rigidissimus
                                                   [Cereus pectinatus var. rigidissimus]
                                                   [Echinocereus pectinatus var. rigidissimus]
                                               Echinocereus rigidissimus var. rigidissimus
                                               Echinocereus rigidissimus var. rubispinus
                                             Echinocereus robustus
                                             Echinocereus rosei
                                             Echinocereus russanthus
                                                   [Echinocereus chloranthus var. russanthus]
                                             Echinocereus scheeri
                                               Echinocereus scheeri ssp. gentryi
                                                     [Echinocereus gentryi]
                                               Echinocereus scheeri var. gentryi
                                               Echinocereus scheeri var. obscuriensis
                                               Echinocereus scheeri var. scheeri
                                             Echinocereus schmollii
                                             Echinocereus sciurus
                                               Echinocereus sciurus ssp. floresii
                                             Echinocereus scopulorum
                                             Echinocereus stoloniferus
                                               Echinocereus stoloniferus var. stoloniferus
                                               Echinocereus stoloniferus var. tayopensis
                                                     [Echinocereus tayopensis]
                                             Echinocereus stramineus
                                                   [Echinocereus enneacanthus var. stramineus]
                                               Echinocereus stramineus var. stramineus
                                             Echinocereus subinermis
                                               Echinocereus subinermis ssp. ochoterenae
                                               Echinocereus subinermis var. luteus
                                               Echinocereus subinermis var. subinermis
                                             Echinocereus triglochidiatus
                                                   [Echinocereus mojavensis]
                                                   [Echinocereus triglochidiatus var. gonacanthus]
                                                   [Echinocereus triglochidiatus var. inermis]
                                                   [Echinocereus triglochidiatus var. mojavensis]
                                               Echinocereus triglochidiatus var. gurneyi
                                               Echinocereus triglochidiatus var. triglochidiatus
                                                     [Echinocereus kunzei]
                                             Echinocereus viereckii
                                             Echinocereus viridiflorus
                                               Echinocereus viridiflorus ssp. chloranthus
                                               Echinocereus viridiflorus ssp. correllii
                                               Echinocereus viridiflorus ssp. cylindricus
                                               Echinocereus viridiflorus ssp. davisii
                                               Echinocereus viridiflorus var. chloranthus
                                               Echinocereus viridiflorus var. correllii
                                               Echinocereus viridiflorus var. cylindricus
                                               Echinocereus viridiflorus var. davisii
                                               Echinocereus viridiflorus var. standleyi
                                               Echinocereus viridiflorus var. viridiflorus
                                             Echinocereus websterianus
                                             Echinocereus x lloydii
                                             Echinocereus x roetteri
                                             Echinocereus yavapaiensis
                                     Echinofossulocactus
                                             Echinofossulocactus anfractuosus
                                             Echinofossulocactus dichroacanthus
                                             Echinofossulocactus lexarzai
                                             Echinofossulocactus multicostatus
                                     Echinomastus
                                             Echinomastus erectocentrus
                                                   [Sclerocactus erectocentrus]
                                               Echinomastus erectocentrus var. acunensis
                                               Echinomastus erectocentrus var. erectocentrus
                                             Echinomastus gautii
                                             Echinomastus intertextus
                                                   [Sclerocactus intertextus var. intertextus]
                                               Echinomastus intertextus var. dasyacanthus
                                               Echinomastus intertextus var. intertextus
                                             Echinomastus johnsonii
                                                   [Sclerocactus johnsonii]
                                             Echinomastus mariposensis
                                             Echinomastus warnockii
                                     Echinopsis
                                             Echinopsis atacamensis
                                             Echinopsis aurea
                                             Echinopsis candicans
                                             Echinopsis chamaecereus
                                             Echinopsis ferox
                                             Echinopsis formosa
                                             Echinopsis haematantha
                                             Echinopsis hertrichiana
                                             Echinopsis leucantha
                                             Echinopsis maximiliana
                                             Echinopsis multiplex
                                             Echinopsis pamparuizii
                                             Echinopsis pasacana
                                             Echinopsis rojasii
                                             Echinopsis shaferi
                                             Echinopsis tegeleriana
                                             Echinopsis terscheckii
                                             Echinopsis turbinata
                                     Encephalocarpus
                                             Encephalocarpus strobiliformis
                                     Epiphyllum
                                             Epiphyllum ackermanii
                                             Epiphyllum anguliger
                                             Epiphyllum hookeri
                                             Epiphyllum macropterum
                                             Epiphyllum oxypetalum
                                             Epiphyllum phyllanthus
                                               Epiphyllum phyllanthus var. hookeri
                                             Epiphyllum pumilum
                                             Epiphyllum strictum
                                     Epithelantha
                                             Epithelantha bokei
                                             Epithelantha micromeris
                                               Epithelantha micromeris var. bokei
                                               Epithelantha micromeris var. micromeris
                                                     [Mammillaria micromeris]
                                     Erdisia
                                     Eriocereus
                                     Eriosyce
                                             Eriosyce aspillagae
                                             Eriosyce aurata
                                             Eriosyce bulbocalyx
                                             Eriosyce chilensis
                                               Eriosyce chilensis var. albidiflora
                                             Eriosyce confinis
                                             Eriosyce crispa
                                               Eriosyce crispa ssp. atroviridis
                                               Eriosyce crispa var. carrizalensis
                                               Eriosyce crispa var. totoralensis
                                             Eriosyce curvispina
                                               Eriosyce curvispina var. mutabilis
                                               Eriosyce curvispina var. tuberisulcata
                                             Eriosyce engleri
                                             Eriosyce esmeraldana
                                             Eriosyce heinrichiana
                                               Eriosyce heinrichiana ssp. intermedia
                                               Eriosyce heinrichiana ssp. simulans
                                               Eriosyce heinrichiana var. setosiflora
                                             Eriosyce islayensis
                                             Eriosyce krausii
                                             Eriosyce kunzei
                                             Eriosyce limariensis
                                             Eriosyce marksiana
                                               Eriosyce marksiana var. lissocarpa
                                             Eriosyce napina
                                               Eriosyce napina ssp. lembckei
                                               Eriosyce napina var. duripulpa
                                             Eriosyce occulta
                                             Eriosyce odieri
                                               Eriosyce odieri ssp. glabrescens
                                               Eriosyce odieri var. monte-amargensis
                                             Eriosyce recondita
                                             Eriosyce senilis
                                             Erioscye senilis
                                               Erioscye senilis subsp. senilis
                                               Eriosyce senilis ssp. coimasensis
                                             Eriosyce strausiana
                                             Eriosyce subgibbosa
                                               Eriosyce subgibbosa ssp. clavata
                                               Eriosyce subgibbosa ssp. wagenknechtii
                                               Eriosyce subgibbosa var. litoralis
                                               Eriosyce subgibbosa var. nigrihorrida
                                             Eriosyce taltalensis
                                               Eriosyce taltalensis ssp. echinus
                                               Eriosyce taltalensis ssp. paucicostata
                                               Eriosyce taltalensis ssp. pilispina
                                               Eriosyce taltalensis ssp. taltalensis
                                             Eriosyce tenebrica
                                             Eriosyce umadeave
                                             Eriosyce villicumensis
                                             Eriosyce villosa
                                     Escobaria
                                             Escobaria albicolumnaria
                                                   [Coryphantha albicolumnaria]
                                                   [Mammillaria albicolumnaria]
                                             Escobaria bella
                                             Escobaria chaffeyi
                                                   [Escobaria dasyacantha ssp. chaffeyi]
                                                   [Escobaria dasyacantha var. chaffeyi]
                                             Escobaria chihuahuensis
                                             Escobaria emskoetteriana
                                             Escobaria guadalupensis
                                             Escobaria leei
                                                   [Escobaria sneedii ssp. leei]
                                                   [Escobaria sneedii var. leei]
                                             Escobaria roseana
                                             Escobaria runyonii
                                             Escobaria tuberculosa
                                     Escontria
                                             Escontria chiotilla
                                     Espostoa
                                             Espostoa frutescens
                                     Eulychnia
                                     Ferocactus
                                             Ferocactus alamosanus
                                                   [Ferocactus pottsii var. alamosanus]
                                               Ferocactus alamosanus var. alamosanus
                                             Ferocactus chrysacanthus
                                                   [Ferocactus fordii var. grandiflorus]
                                               Ferocactus chrysacanthus ssp. chrysacanthus
                                               Ferocactus chrysacanthus ssp. grandiflorus
                                             Ferocactus cylindraceus
                                               Ferocactus cylindraceus var. cylindraceus
                                                     [Echinocactus acanthodes]
                                                     [Ferocactus acanthodes]
                                               Ferocactus cylindraceus var. eastwoodiae
                                                     [Ferocactus acanthodes var. eastwoodiae]
                                                     [Ferocactus eastwoodiae]
                                               Ferocactus cylindraceus var. lecontei
                                                     [Echinocactus lecontei]
                                                     [Ferocactus acanthodes var. lecontei]
                                                     [Ferocactus cylindraceus ssp. lecontei]
                                                     [Ferocactus lecontei]
                                               Ferocactus cylindraceus var. tortulospinus
                                             Ferocactus diguetii
                                               Ferocactus diguetii var. carmenensis
                                               Ferocactus diguetii var. diguetii
                                             Ferocactus emoryi
                                                   [Ferocactus covillei]
                                               Ferocactus emoryi ssp. emoryi
                                               Ferocactus emoryi ssp. rectispinus
                                             Ferocactus fordii
                                             Ferocactus gatesii
                                             Ferocactus glaucescens
                                             Ferocactus gracilis
                                               Ferocactus gracilis ssp. coloratus
                                               Ferocactus gracilis ssp. gracilis
                                             Ferocactus haematacanthus
                                             Ferocactus hamatacanthus
                                               Ferocactus hamatacanthus ssp. sinuatus
                                               Ferocactus hamatacanthus var. hamatacanthus
                                               Ferocactus hamatacanthus var. sinuatus
                                             Ferocactus herrerae
                                                   [Ferocactus wislizeni var. herrerae]
                                             Ferocactus histrix
                                             Ferocactus horridus
                                             Ferocactus johnstonianus
                                             Ferocactus latispinus
                                               Ferocactus latispinus ssp. spiralis
                                             Ferocactus lindsayi
                                             Ferocactus nobilis
                                             Ferocactus peninsulae
                                               Ferocactus peninsulae var. peninsulae
                                               Ferocactus peninsulae var. townsendianus
                                               Ferocactus peninsulae var. viscainensis
                                             Ferocactus pilosus
                                             Ferocactus pottsii
                                             Ferocactus rectispinus
                                             Ferocactus robustus
                                             Ferocactus rostii
                                             Ferocactus santa-maria
                                             Ferocactus schwarzii
                                             Ferocactus setispinus
                                             Ferocactus tiburonensis
                                                   [Ferocactus wislizeni var. tiburonensis]
                                             Ferocactus townsendianus
                                               Ferocactus townsendianus var. santa-maria
                                               Ferocactus townsendianus var. townsendianus
                                             Ferocactus uncinatus
                                             Ferocactus viridescens
                                                   [Echinocactus viridescens]
                                               Ferocactus viridescens var. littoralis
                                               Ferocactus viridescens var. viridescens
                                             Ferocactus wislizeni
                                                   [Echinocactus wislizeni]
                                               Ferocactus wislizeni var. wislizeni
                                     Frailea
                                     Glandulicactus
                                             Glandulicactus uncinatus
                                               Glandulicactus uncinatus var. wrightii
                                     Grusonia
                                             Corynopuntia clavata
                                             Corynopuntia emoryi
                                                   [Corynopuntia stanlyi]
                                             Corynopuntia marenae
                                                   [Grusonia marenae]
                                                   [Marenopuntia marenae]
                                                   [Opuntia marenae]
                                             Corynopuntia parishii
                                             Corynopuntia pulchella
                                             Grusonia aggeria
                                                   [Opuntia aggeria]
                                             Grusonia bradtiana
                                             Grusonia bulbispina
                                             Grusonia clavata
                                             Grusonia emoryi
                                                   [Opuntia emoryi]
                                             Grusonia grahamii
                                                   [Opuntia grahamii]
                                                   [Opuntia schottii var. grahamii]
                                             Grusonia hamiltonii
                                             Grusonia invicta
                                                   [Corynopuntia invicta]
                                                   [Opuntia invicta]
                                             Grusonia kunzei
                                                   [Corynopuntia kunzei]
                                                   [Opuntia kunzei]
                                                   [Opuntia stanlyi var. kunzei]
                                                   [Opuntia stanlyi var. peeblesiana]
                                                   [Opuntia stanlyi]
                                                   [Opuntia wrightiana]
                                             Grusonia moelleri
                                             Grusonia parishii
                                                   [Opuntia parishii]
                                                   [Opuntia stanlyi var. parishii]
                                             Grusonia pulchella
                                                   [Opuntia barkleyana]
                                                   [Opuntia brachyrhopalica]
                                                   [Opuntia gracilicylindrica]
                                                   [Opuntia pulchella]
                                                   [Opuntia pygmaea]
                                                   [Opuntia spectatissima]
                                                   [Opuntia tuberculosirhopalica]
                                                   [Opuntia wiegandii]
                                             Grusonia reflexispina
                                                   [Corynopuntia reflexispina]
                                                   [Opuntia reflexispina]
                                             Grusonia robertsii
                                             Grusonia schottii
                                                   [Opuntia densispina]
                                                   [Opuntia schottii]
                                             Grusonia vilis
                                             Grusonia wrightiana
                                     Gymnanthocereus
                                     Gymnocactus
                                             Gymnocactus beguinii
                                     Gymnocalycium
                                             Gymnocalycium hossei
                                             Gymnocalycium marsoneri
                                             Gymnocalycium saglionis
                                               Gymnocalycium saglionis ssp. tilcarense
                                             Gymnocalycium schroederianum
                                               Gymnocalycium schroederianum ssp. paucicostatum
                                     Haageocereus
                                             Haageocereus fascicularis
                                     Hamatocactus
                                             Hamatocactus bicolor
                                             Hamatocactus hamatocanthus
                                     Hariota
                                     Harrisia
                                             Harrisia aboriginum
                                             Harrisia bonplandii
                                             Harrisia donae-antoniae
                                             Harrisia eriophora
                                             Harrisia fragrans
                                             Harrisia gracilis
                                             Harrisia martinii
                                                   [Cereus martinii]
                                                   [Eriocereus martinii]
                                             Harrisia pomanensis
                                             Harrisia portoricensis
                                             Harrisia simpsonii
                                     Hatiora
                                             Hatiora gaertneri
                                             Hatiora salicornioides
                                     Heliocereus
                                     Homalocephala
                                     Hylocereus
                                             Hylocereus costaricensis
                                             Hylocereus purpusii
                                             Hylocereus trigonus
                                             Hylocereus undatus
                                     Hymenorebutia
                                     Islaya
                                             Islaya paucispina
                                     Jasminocereus
                                             Jasminocereus thouarsii
                                               Jasminocereus thouarsii var. delicatus
                                     Lamaireocereus
                                     Lasiocereus
                                     Lemaireocereus
                                           [Rosenbergiodendron]
                                             Lemaireocereus hystrix
                                             Lemaireocereus montanus
                                             Lemaireocereus pruinosus
                                     Lepismium
                                             Lepismium cruciforme
                                             Lepismium houlletianum
                                             Lepismium lumbricoides
                                     Leptocereus
                                             Leptocereus grantianus
                                             Leptocereus quadricostatus
                                     Leuchtenbergia
                                             Leuchtenbergia principis
                                     Lobivia
                                             Lobivia arachnacantha
                                             Lobivia caespitosa
                                             Lobivia corbula
                                             Lobivia famatinensis
                                             Lobivia lateritia
                                     Lophocereus
                                     Lophophora
                                             Lophophora williamsii
                                                   [Lophophora williamsii var. echinata]
                                     Loxanthocereus
                                     Machaerocereus
                                             Machaerocereus eruca
                                             Machaerocereus gummosus
                                     Maihuenia
                                             Maihuenia poeppigii
                                     Maihueniopsis
                                             Maihueniopsis atacamensis
                                             Maihueniopsis camachoi
                                             Maihueniopsis colorea
                                             Maihueniopsis conoidea
                                             Maihueniopsis domeykoensis
                                             Maihueniopsis glomerata
                                             Maihueniopsis leoncito
                                             Maihueniopsis nigrispina
                                     Mamillopsis
                                     Mammillaria
                                             Mammillaria alamensis
                                             Mammillaria albicans
                                             Mammillaria angelensis
                                             Mammillaria arida
                                             Mammillaria armillata
                                             Mammillaria aureilanata
                                             Mammillaria aurihamata
                                             Mammillaria backebergiana
                                               Mammillaria backebergiana ssp. ernestii
                                             Mammillaria balsasoides
                                             Mammillaria barbata
                                             Mammillaria baxteriana
                                             Mammillaria bella
                                             Mammillaria blossfeldiana
                                               Mammillaria blossfeldiana var. shurliana
                                             Mammillaria bocasana
                                               Mammillaria bocasana ssp. eschauzieri
                                             Mammillaria bocensis
                                               Mammillaria bocensis var. bocensis
                                               Mammillaria bocensis var. movasana
                                             Mammillaria bombycina
                                             Mammillaria boolii
                                             Mammillaria brachytrichion
                                             Mammillaria brandegeei
                                               Mammillaria brandegeei ssp. lewisiana
                                             Mammillaria candida
                                             Mammillaria capensis
                                             Mammillaria cerralboa
                                             Mammillaria compressa
                                             Mammillaria crinita
                                               mammillaria crinita subsp. crinita
                                             Mammillaria crucigera
                                             Mammillaria dawsonii
                                             Mammillaria densispina
                                             Mammillaria dioica
                                                   [Mammillaria dioica var. incerta]
                                               Mammillaria dioica ssp. angelensis
                                               Mammillaria dioica ssp. estebanensis
                                             Mammillaria dixanthocentron
                                             Mammillaria elegans
                                             Mammillaria elongata
                                               Mammillaria elongata ssp. echinaria
                                             Mammillaria erythrosperma
                                             Mammillaria estebanensis
                                             Mammillaria evermanniana
                                             Mammillaria formosa
                                             Mammillaria fragrans
                                             Mammillaria fraileana
                                             Mammillaria gabbii
                                             Mammillaria gatesii
                                             Mammillaria gaumeri
                                             Mammillaria geminispina
                                               Mammillaria geminispina var. nobilis
                                             Mammillaria gigantea
                                             Mammillaria glareosa
                                             Mammillaria glochidiata
                                             Mammillaria goldii
                                             Mammillaria goodridgei
                                               Mammillaria goodridgei var. rectispina
                                               Mammillaria goodridgei var.goodridgei
                                             Mammillaria grahamii
                                               Mammillaria grahamii ssp. grahamii
                                               Mammillaria grahamii ssp. sheldonii
                                               Mammillaria grahamii var. grahamii
                                                     [Mammillaria microcarpa var. auricarpa]
                                                     [Mammillaria microcarpa]
                                                     [Mammillaria milleri]
                                               Mammillaria grahamii var. oliviae
                                                     [Mammillaria oliviae]
                                             Mammillaria gueldemanniana
                                               Mammillaria gueldemanniana var. guirocobensis
                                             Mammillaria guirocobensis
                                             Mammillaria hertrichiana
                                               Mammillaria hertrichiana var. hertrichiana
                                               Mammillaria hertrichiana var. robustior
                                             Mammillaria heyderi
                                               Mammillaria heyderi ssp. gummifera
                                               Mammillaria heyderi ssp. hemisphaerica
                                               Mammillaria heyderi var. bullingtonia
                                               Mammillaria heyderi var. bullingtoniana
                                               Mammillaria heyderi var. hemisphaerica
                                               Mammillaria heyderi var. heyderi
                                                     [Mammillaria gummifera var. applanata]
                                                     [Mammillaria heyderi var. applanata]
                                             Mammillaria humboldtii
                                             Mammillaria hutchisoniana
                                             Mammillaria insularis
                                             Mammillaria johnstonii
                                             Mammillaria karwinskiana
                                               Mammillaria karwinskiana ssp. collinsii
                                               Mammillaria karwinskiana ssp. nejapensis
                                             Mammillaria klissingiana
                                             Mammillaria laneusumma
                                             Mammillaria lasiacantha
                                                   [Mammillaria lasiacantha var. denudata]
                                             Mammillaria leei
                                             Mammillaria lenta
                                             Mammillaria lewisiana
                                                   [Mammillaria brandegeei ssp. gabbii]
                                             Mammillaria lindsayi
                                               Mammillaria lindsayi var. robustior
                                             Mammillaria littoralis
                                             Mammillaria longimamma
                                               Mammillaria longimamma var. sphaerica
                                             Mammillaria louisae
                                             Mammillaria macdougalii
                                                   [Mammillaria gummifera var. hemisphaerica]
                                                   [Mammillaria gummifera var. macdougalii]
                                                   [Mammillaria gummifera]
                                                   [Mammillaria heyderi ssp. macdougalii]
                                                   [Mammillaria heyderi var. macdougalii]
                                             Mammillaria macromeris
                                             Mammillaria magnimamma
                                             Mammillaria mainae
                                             Mammillaria mainiae
                                             Mammillaria marksiana
                                             Mammillaria marnierana
                                             Mammillaria marshalliana
                                             Mammillaria mathildae
                                             Mammillaria matudae
                                             Mammillaria mayensis
                                             Mammillaria mazatlanensis
                                               Mammillaria mazatlanensis var. monocentra
                                             Mammillaria meiacantha
                                                   [Mammillaria heyderi var. meiacantha]
                                             Mammillaria melanocentra
                                             Mammillaria mercadensis
                                             Mammillaria montensis
                                               Mammillaria montensis var. monocentra
                                               Mammillaria montensis var. montensis
                                               Mammillaria montensis var. quadricentra
                                             Mammillaria multiceps
                                             Mammillaria multidigitata
                                             Mammillaria mystax
                                             Mammillaria neopalmeri
                                             Mammillaria nickelsiae
                                             Mammillaria nivosa
                                             Mammillaria occidentalis
                                               Mammillaria occidentalis var. monocentra
                                             Mammillaria ortegae
                                             Mammillaria pacifica
                                             Mammillaria painteri
                                             Mammillaria parkinsonii
                                             Mammillaria peninsularis
                                             Mammillaria perbella
                                             Mammillaria perezdelarosae
                                             Mammillaria petrophila
                                             Mammillaria petterssonii
                                             Mammillaria phitauiana
                                             Mammillaria pilispina
                                             Mammillaria plumosa
                                             Mammillaria polythele
                                             Mammillaria pottsii
                                             Mammillaria prolifera
                                               Mammillaria prolifera ssp. texana
                                               Mammillaria prolifera var. texana
                                             Mammillaria pseudoalamensis
                                             Mammillaria radiaissima
                                             Mammillaria rettigiana
                                             Mammillaria rhodantha
                                               Mammillaria rhodantha ssp. mccartenii
                                             Mammillaria robertii
                                             Mammillaria rubida
                                             Mammillaria runyonii
                                             Mammillaria saboae
                                               Mammillaria saboae ssp. goldii
                                               Mammillaria saboae var. goldii
                                               Mammillaria saboae var. haudeana
                                             Mammillaria schumannii
                                                   [Bartschella schumannii]
                                             Mammillaria schwarzii
                                             Mammillaria scolymoides
                                             Mammillaria sempervivi
                                             Mammillaria senilis
                                                   [Mamillopsis senilis]
                                             Mammillaria sheldonii
                                                   [Mammillaria milleri var. sheldonii]
                                             Mammillaria slevinii
                                             Mammillaria sphacelata
                                             Mammillaria sphaerica
                                             Mammillaria standleyi
                                                   [Mammillaria canelensis]
                                                   [Mammillaria miegiana]
                                                   [Mammillaria movensis]
                                                   [Mammillaria sonorensis]
                                                   [Mammillaria tesopacensis]
                                               Mammillaria standleyi var. standleyi
                                             Mammillaria sulcata
                                             Mammillaria swinglei
                                                   [Mammillaria inaiae]
                                             Mammillaria tayloriorum
                                             Mammillaria tetrancistra
                                                   [Phellosperma tetrancistra]
                                             Mammillaria tezontle
                                             Mammillaria thornberi
                                             Mammillaria tobuschii
                                             Mammillaria verhaertiana
                                             Mammillaria viridiflora
                                                   [Mammillaria orestera]
                                             Mammillaria voburnensis
                                               Mammillaria voburnensis ssp. eichlamii
                                             Mammillaria wagneriana
                                             Mammillaria weingartiana
                                             Mammillaria wildii
                                             Mammillaria winterae
                                             Mammillaria wrightii
                                               Mammillaria wrightii var. wilcoxii
                                                     [Mammillaria meridiorosei]
                                                     [Mammillaria wilcoxii]
                                                     [Mammillaria wrightii ssp. wilcoxii]
                                               Mammillaria wrightii var. wrightii
                                             Mammillaria yaquensis
                                                   [Mammillaria thornberi var. yaquensis]
                                     Mammilloydia
                                             Mammilloydia candida
                                     Marenopuntia
                                     Matucana
                                             Matucana haynei
                                             Matucana madisoniorum
                                     Mediocactus
                                     Mediolobivia
                                     Melocactus
                                             Melocactus dawsonii
                                             Melocactus intortus
                                                   [Cactus intortus]
                                             Melocactus matanzanus
                                             Melocactus peruvianus
                                             Melocactus ruestii
                                     Mila
                                             Mila caespitosa
                                             Mila nealeana
                                     Miqueliopuntia
                                             Miqueliopuntia miquelii
                                     Mitrocereus
                                             Mitrocereus fulviceps
                                     Monvillea
                                             Monvillea cavendishii
                                     Morangaya
                                             Morangaya pensilis
                                                   [Echinocereus pensilis]
                                     Myrtillocactus
                                             Myrtillocactus cochal
                                             Myrtillocactus geometrizans
                                     Navajoa
                                     Neobesseya
                                     Neobuxbaumia
                                             Neobuxbaumia mezcalaensis
                                             Neobuxbaumia polylopha
                                     Neoevansia
                                             Neoevansia diguetii
                                     Neolloydia
                                             Neolloydia conoidea
                                                   [Echinocactus conoideus]
                                                   [Mammillaria conoidea]
                                               Neolloydia conoidea var. conoidea
                                             Neolloydia gautii
                                             Neolloydia mariposensis
                                             Neolloydia matehualensis
                                             Neolloydia warnockii
                                     Neolobivia
                                     Neomammillaria
                                             Neomammillaria albicans
                                             Neomammillaria fraileana
                                             Neomammillaria johnstonii
                                             Neomammillaria milleri
                                             Neomammillaria nivosa
                                             Neomammillaria peninsularis
                                             Neomammillaria standleyi
                                             Neomammillaria swinglei
                                             Neomammillaria viridiflora
                                     Neoporteria
                                     Neoraimondia
                                             Neoraimondia arequipensis
                                             Neoraimondia herzogiana
                                     Neowerdermannia
                                     Nopalea
                                             Nopalea auberi
                                             Nopalea cochenillifera
                                             Nopalea dejecta
                                             Nopalea gaumeri
                                             Nopalea guatemalensis
                                             Nopalea hondurensis
                                             Nopalea inaperta
                                             Nopalea karwinskiana
                                             Nopalea lutea
                                     Nopalxochia
                                     Notocactus
                                             Notocactus mammulosus
                                             Notocactus tabularis
                                     Nyctocereus
                                             Nyctocereus serpentinus
                                     Obregonia
                                             Obregonia denegrii
                                     Opuntia
                                             Opuntia abyssi
                                             Opuntia aciculata
                                                   [Opuntia engelmannii var. aciculata]
                                             Opuntia alamosensis
                                             Opuntia alta
                                             Opuntia amarilla
                                             Opuntia ammophila
                                                   [Opuntia compressa var. ammophila]
                                             Opuntia amyclaea
                                             Opuntia anacantha
                                             Opuntia angustata
                                             Opuntia anteojoensis
                                             Opuntia antillana
                                             Opuntia articulata
                                             Opuntia atrispina
                                             Opuntia atropes
                                             Opuntia auberi
                                             Opuntia aurantiaca
                                             Opuntia aurea
                                                   [Opuntia basilaris var. aurea]
                                                   [Opuntia erinacea var. aurea]
                                             Opuntia aureispina
                                                   [Opuntia macrocentra var. aureispina]
                                             Opuntia austrina
                                                   [Opuntia compressa var. austrina]
                                                   [Opuntia eburnispina]
                                                   [Opuntia humifusa var. austrina]
                                                   [Opuntia pollardii]
                                                   [Opuntia polycarpa]
                                             Opuntia bakeri
                                             Opuntia basilaris
                                               Opuntia basilaris var. basilaris
                                                     [Opuntia basilaris var. heilii]
                                                     [Opuntia basilaris var. ramosa]
                                                     [Opuntia basilaris var. whitneyana]
                                                     [Opuntia brachyclada ssp. humistrata]
                                                     [Opuntia whitneyana var. albiflora]
                                                     [Opuntia whitneyana]
                                               Opuntia basilaris var. brachyclada
                                                     [Opuntia brachyclada]
                                               Opuntia basilaris var. longiareolata
                                                     [Opuntia longiareolata]
                                               Opuntia basilaris var. treleasei
                                                     [Opuntia treleasei]
                                             Opuntia borinquensis
                                             Opuntia bradtiana
                                             Opuntia brasiliensis
                                             Opuntia bravoana
                                             Opuntia burrageana
                                             Opuntia caesia
                                             Opuntia calmalliana
                                             Opuntia campii
                                             Opuntia cantabrigiensis
                                             Opuntia caracassana
                                             Opuntia cardenche
                                             Opuntia castillae
                                             Opuntia chaffeyi
                                             Opuntia chihuahuensis
                                             Opuntia chisosensis
                                                   [Opuntia lindheimeri var. chisosensis]
                                             Opuntia chlorotica
                                             Opuntia clavata
                                             Opuntia clavellina
                                             Opuntia cochenillifera
                                                   [Cactus cochenilliferus]
                                             Opuntia cochinelifera
                                             Opuntia cochinelifera x phaeacantha
                                             Opuntia cochinera
                                             Opuntia columbiana
                                                   [Opuntia erinacea var. columbiana]
                                             Opuntia comonduensis
                                             Opuntia cordobensis
                                             Opuntia crystalenia
                                             Opuntia cubensis
                                             Opuntia curassavica
                                             Opuntia curvospina
                                             Opuntia cymochila
                                             Opuntia deamii
                                             Opuntia decumbens
                                             Opuntia dejecta
                                             Opuntia delicata
                                             Opuntia depressa
                                             Opuntia deserta
                                             Opuntia dillenii
                                                   [Cactus dillenii]
                                                   [Opuntia atrocapensis]
                                                   [Opuntia nitens]
                                                   [Opuntia stricta var. dillenii]
                                                   [Opuntia tunoidea]
                                                   [Opuntia zebrina]
                                             Opuntia discata
                                                   [Opuntia microcarpa]
                                             Opuntia diversispina
                                             Opuntia durangensis
                                             Opuntia durangensis x wilcoxii
                                             Opuntia echios
                                               Opuntia echios var. barringtonensis
                                               Opuntia echios var. gigantea
                                               Opuntia echios var. inermis
                                               Opuntia echios var. zacana
                                             Opuntia edwardsii
                                             Opuntia eichlamii
                                             Opuntia elata
                                             Opuntia elatior
                                             Opuntia elizondoana
                                             Opuntia ellisiana
                                                   [Opuntia x ellisiana]
                                             Opuntia engelmannii
                                                   [Opuntia phaeacantha var. discata]
                                               Opuntia engelmannii var. cuija
                                                     [Opuntia lindheimeri var. cuija]
                                               Opuntia engelmannii var. discata
                                               Opuntia engelmannii var. engelmannii
                                                     [Opuntia dillei]
                                                     [Opuntia lindheimeri var. tricolor]
                                                     [Opuntia megacarpa]
                                                     [Opuntia occidentalis var. megacarpa]
                                                     [Opuntia tardospina]
                                                     [Opuntia tricolor]
                                                     [Opuntia x subarmata]
                                               Opuntia engelmannii var. flavescens
                                               Opuntia engelmannii var. flavispina
                                                     [Opuntia phaeacantha var. flavispina]
                                               Opuntia engelmannii var. flexispina
                                               Opuntia engelmannii var. flexospina
                                               Opuntia engelmannii var. lindheimeri
                                                     [Opuntia engelmannii var. alta]
                                                     [Opuntia engelmannii var. cacanapa]
                                                     [Opuntia engelmannii var. dulcis]
                                                     [Opuntia engelmannii var. texana]
                                                     [Opuntia lindheimeri var. lehmannii]
                                                     [Opuntia lindheimeri]
                                               Opuntia engelmannii var. linguiformis
                                                     [Opuntia lindheimeri var. linguiformis]
                                                     [Opuntia linguiformis]
                                               Opuntia engelmannii var. wootonii
                                             Opuntia engelmannii x phaeacantha
                                             Opuntia eocarpa
                                             Opuntia excelsa
                                             Opuntia ficus-indica
                                                   [Cactus ficus-indica]
                                                   [Opuntia compressa]
                                                   [Opuntia opuntia]
                                                   [Opuntia vulgaris]
                                             Opuntia filipendula
                                             Opuntia flexospina
                                             Opuntia fragilis
                                               Opuntia fragilis var. brachyarthra
                                                     [Opuntia brachyarthra]
                                                     [Opuntia fragilis ssp. brachyarthra]
                                               Opuntia fragilis var. fragilis
                                                     [Cactus fragilis]
                                                     [Opuntia fragilis var. denudata]
                                                     [Opuntia schweriniana]
                                             Opuntia fuliginosa
                                             Opuntia galapageia
                                               Opuntia galapageia var. profusa
                                             Opuntia glomerata
                                             Opuntia gorda
                                             Opuntia gosseliniana
                                                   [Opuntia chlorotica var. gosseliniana]
                                                   [Opuntia violacea var. gosseliniana]
                                             Opuntia grahami
                                             Opuntia guatemalensis
                                             Opuntia helleri
                                             Opuntia humifusa
                                                   [Opuntia calcicola]
                                                   [Opuntia compressa var. allairei]
                                                   [Opuntia compressa var. fuscoatra]
                                                   [Opuntia compressa var. microsperma]
                                                   [Opuntia cumulicola]
                                                   [Opuntia rafinesquei]
                                               Opuntia humifusa var. ammophila
                                               Opuntia humifusa var. humifusa
                                             Opuntia impedata
                                             Opuntia insularis
                                             Opuntia intricata
                                             Opuntia ithypetala
                                             Opuntia karwinskiana
                                             Opuntia kleiniae
                                             Opuntia lagunae
                                             Opuntia lasiacantha
                                             Opuntia lata
                                             Opuntia leucotricha
                                             Opuntia lindsayi
                                             Opuntia littoralis
                                               Opuntia littoralis var. austrocalifornica
                                               Opuntia littoralis var. littoralis
                                                     [Opuntia engelmannii var. littoralis]
                                                     [Opuntia occidentalis var. littoralis]
                                               Opuntia littoralis var. piercei
                                               Opuntia littoralis var. vaseyi
                                                     [Opuntia covillei var. piercei]
                                                     [Opuntia covillei]
                                                     [Opuntia occidentalis var. covillei]
                                                     [Opuntia occidentalis var. vaseyi]
                                                     [Opuntia vaseyi]
                                             Opuntia lloydii
                                             Opuntia macdougaliana
                                             Opuntia macrocentra
                                                   [Opuntia violacea var. macrocentra]
                                               Opuntia macrocentra var. macrocentra
                                                     [Opuntia violacea var. castetteri]
                                                     [Opuntia violacea]
                                               Opuntia macrocentra var. minor
                                             Opuntia macrorhiza
                                             Opuntia martiniana
                                                   [Opuntia littoralis var. martiniana]
                                                   [Opuntia macrocentra var. martiniana]
                                             Opuntia maxoni
                                             Opuntia maxonii
                                             Opuntia megacantha
                                             Opuntia megasperma
                                               Opuntia megasperma var. mesophytica
                                               Opuntia megasperma var. orientalis
                                             Opuntia microdasys
                                             Opuntia monacantha
                                             Opuntia moniliformis
                                             Opuntia multigeniculata
                                             Opuntia neochrysacantha
                                             Opuntia occidentalis
                                               Opuntia occidentalis var. piercei
                                             Opuntia ochrocentra
                                             Opuntia oricola
                                             Opuntia pachona
                                             Opuntia pachyrrhiza
                                             Opuntia penicilligera
                                             Opuntia phaeacantha
                                                   [Opuntia camanchica]
                                                   [Opuntia charlestonensis]
                                                   [Opuntia phaeacantha var. camanchica]
                                               Opuntia phaeacantha var. laevis
                                                     [Opuntia laevis]
                                               Opuntia phaeacantha var. major
                                                     [Opuntia arizonica]
                                                     [Opuntia canada]
                                                     [Opuntia engelmannii var. cycloides]
                                                     [Opuntia gilvescens]
                                                     [Opuntia mojavensis]
                                                     [Opuntia phaeacantha var. brunnea]
                                                     [Opuntia phaeacantha var. mojavensis]
                                                     [Opuntia woodsii]
                                               Opuntia phaeacantha var. phaeacantha
                                                     [Opuntia dulcis]
                                                     [Opuntia phaeacantha var. nigricans]
                                               Opuntia phaeacantha var. piercei
                                               Opuntia phaeacantha var. spinosibacca
                                               Opuntia phaeacantha var. wootonii
                                             Opuntia pilifera
                                             Opuntia pinkavae
                                                   [Opuntia basilaris var. woodburyi]
                                             Opuntia pisciformis
                                             Opuntia pittieri
                                             Opuntia polyacantha
                                                   [Opuntia sphaerocarpa]
                                               Opuntia polyacantha var. arenaria
                                                     [Opuntia arenaria]
                                               Opuntia polyacantha var. erinacea
                                                     [Opuntia erinacea var. erinacea]
                                                     [Opuntia erinacea var. paucispina]
                                                     [Opuntia erinacea var. ursina]
                                                     [Opuntia erinacea]
                                                     [Opuntia rubrifolia]
                                                     [Opuntia ursina]
                                               Opuntia polyacantha var. hystricina
                                                     [Opuntia erinacea var. hystricina]
                                                     [Opuntia erinacea var. utahensis]
                                                     [Opuntia erinacea var. xanthostemma]
                                                     [Opuntia hystricina]
                                                     [Opuntia rhodantha var. spinosior]
                                                     [Opuntia rhodantha]
                                                     [Opuntia sphaerocarpa var. utahensis]
                                               Opuntia polyacantha var. juniperina
                                                     [Opuntia juniperina]
                                               Opuntia polyacantha var. nicholii
                                                     [Opuntia hystricina var. nicholii]
                                                     [Opuntia nicholii]
                                               Opuntia polyacantha var. polyacantha
                                                     [Opuntia heacockiae]
                                               Opuntia polyacantha var. rufispina
                                                     [Opuntia rutila]
                                               Opuntia polyacantha var. trichophora
                                                     [Opuntia missouriensis var. trichophora]
                                                     [Opuntia trichophora]
                                             Opuntia pottsii
                                                   [Opuntia macrorhiza var. pottsii]
                                             Opuntia puberula
                                             Opuntia pubescens
                                             Opuntia pumila
                                             Opuntia pusilla
                                                   [Cactus pusillus]
                                                   [Opuntia drummondii]
                                                   [Opuntia tracyi]
                                             Opuntia pycnantha
                                             Opuntia quitensis
                                             Opuntia rastrera
                                             Opuntia repens
                                             Opuntia rileyi
                                             Opuntia riviereana
                                             Opuntia robusta
                                               Opuntia robusta var. larreyi
                                             Opuntia rufida
                                             Opuntia rugosa
                                             Opuntia sanfelipensis
                                             Opuntia sanguinea
                                             Opuntia santa-rita
                                                   [Opuntia chlorotica var. santa-rita]
                                                   [Opuntia violacea var. santa-rita]
                                             Opuntia saxicola
                                             Opuntia scheeri
                                             Opuntia schumannii
                                             Opuntia semispinosa
                                             Opuntia serpentina
                                             Opuntia setispina
                                             Opuntia sphaerica
                                             Opuntia spinosibacca
                                             Opuntia spinulifera
                                             Opuntia stanleyi
                                               Opuntia stanleyi var. parishii
                                             Opuntia stenopetala
                                             Opuntia streptacantha
                                             Opuntia stricta
                                                   [Cactus strictus]
                                                   [Opuntia bentonii]
                                                   [Opuntia macrantha]
                                                   [Opuntia magnifica]
                                                   [Opuntia stricta var. stricta]
                                             Opuntia strigil
                                               Opuntia strigil var. flexospina
                                             Opuntia strobiliformis
                                             Opuntia subulata
                                             Opuntia sulphurea
                                             Opuntia superbospina
                                                   [Opuntia phaeacantha var. superbospina]
                                             Opuntia tapona
                                             Opuntia tomentella
                                             Opuntia tomentosa
                                             Opuntia tortispina
                                                   [Opuntia macrorhiza var. macrorhiza]
                                             Opuntia triacantha
                                                   [Cactus triacanthos]
                                                   [Cactus triacanthus]
                                                   [Opuntia abjecta]
                                             Opuntia tuna
                                             Opuntia turbinata
                                             Opuntia turgida
                                             Opuntia undulata
                                             Opuntia valida
                                             Opuntia velutina
                                             Opuntia viridiflora
                                             Opuntia wentiana
                                             Opuntia wigginsii
                                             Opuntia wilcoxii
                                             Opuntia wootonii
                                             Opuntia x andersonii
                                             Opuntia x carstenii
                                             Opuntia x chlorotica
                                             Opuntia x columbiana
                                             Opuntia x cubensis
                                             Opuntia x curvispina
                                             Opuntia x curvospina
                                             Opuntia x demissa
                                             Opuntia x occidentalis
                                             Opuntia x spinosibacca
                                             Opuntia x vaseyi
                                             Opuntia x wootonii
                                             Opuntia zuniensis
                                     Oreocereus
                                             Oreocereus celsianus
                                             Oreocereus hempelianus
                                             Oreocereus leucotrichus
                                     Oroya
                                     Pachgerocereus
                                             Pachgerocereus orcuttii
                                     Pachycereus
                                             Pachycereus gatesii
                                                   [Lophocereus gatesii]
                                             Pachycereus grandis
                                             Pachycereus lepidanthus
                                             Pachycereus marginatus
                                             Pachycereus pecten-aboriginum
                                             Pachycereus pringlei
                                             Pachycereus schottii
                                                   [Cereus schottii]
                                                   [Lophocereus schottii var. tenuis]
                                                   [Lophocereus schottii]
                                                   Pachycereus schottii f. monstrosus
                                               Pachycereus schottii var. australis
                                                     [Lophocereus schottii var. australis]
                                               Pachycereus schottii var. schottii
                                                     [Lophocereus schottii var. schottii]
                                     Parodia
                                             Parodia chrysacanthion
                                             Parodia columnaris
                                             Parodia concinna
                                             Parodia schumanniana
                                             Parodia werdermanniana
                                     Pediocactus
                                             Pediocactus bradyi
                                                   [Toumeya bradyi]
                                             Pediocactus despainii
                                             Pediocactus glaucus
                                             Pediocactus knowltonii
                                             Pediocactus nigrispinus
                                             Pediocactus paradinei
                                             Pediocactus parviflorus
                                               Pediocactus parviflorus ssp. havasupaiensis
                                             Pediocactus peeblesianus
                                                   [Echinocactus peeblesianus]
                                                   [Navajoa peeblesianus]
                                                   [Pediocactus peeblesianus var. maianus]
                                                   [Toumeya peeblesianus]
                                                   [Utahia peeblesianus]
                                               Pediocactus peeblesianus var. fickeiseniae
                                                     [Pediocactus peeblesianus ssp. fickeiseniae]
                                               Pediocactus peeblesianus var. peeblesianus
                                                     [Pediocactus peeblesianus ssp. peeblesianus]
                                             Pediocactus sileri
                                                   [Echinocactus sileri]
                                                   [Utahia sileri]
                                             Pediocactus simpsonii
                                               Pediocactus simpsonii var. minor
                                               Pediocactus simpsonii var. robustior
                                               Pediocactus simpsonii var. simpsonii
                                                     [Echinocactus simpsonii var. robustior]
                                                     [Echinocactus simpsonii]
                                             Pediocactus winkleri
                                     Pelecyphora
                                             Pelecyphora aselliformis
                                     Peniocereus
                                             Peniocereus cuixmalensis
                                             Peniocereus greggii
                                               Peniocereus greggii var. greggii
                                                     [Cereus greggii]
                                               Peniocereus greggii var. transmontanus
                                                     [Cereus greggii var. transmontanus]
                                             Peniocereus hirschtianus
                                             Peniocereus johnstonii
                                             Peniocereus marianus
                                             Peniocereus rosei
                                             Peniocereus serpentinus
                                             Peniocereus striatus
                                                   [Cereus diguetii]
                                                   [Cereus striatus]
                                                   [Neoevansia striata]
                                                   [Wilcoxia diguetii]
                                                   [Wilcoxia striata]
                                             Peniocereus viperinus
                                     Pereskia
                                             Pereskia aculeata
                                                   [Cactus pereskia]
                                                   [Pereskia aculeata var. godseffiana]
                                                   [Pereskia pereskia]
                                             Pereskia conzattii
                                             Pereskia grandifolia
                                               Pereskia grandifolia var. grandifolia
                                             Pereskia lychnidiflora
                                             Pereskia sacharosa
                                     Pereskiopsis
                                             Pereskiopsis aquosa
                                             Pereskiopsis blakeana
                                             Pereskiopsis kellermanii
                                             Pereskiopsis porteri
                                     Pfeiffera
                                     Phellosperma
                                     Pilocereus
                                             Pilocereus alensis
                                             Pilocereus robinii
                                     Pilosocereus
                                             Pilosocereus alensis
                                                   [Cephalocereus alensis]
                                             Pilosocereus arrabidae
                                             Pilosocereus bahamensis
                                             Pilosocereus collinsii
                                             Pilosocereus gaumeri
                                             Pilosocereus leucocephalus
                                             Pilosocereus polygonus
                                                   [Cephalocereus bahamensis]
                                                   [Cephalocereus brooksianus]
                                                   [Cephalocereus robinii]
                                             Pilosocereus robinii
                                               Pilosocereus robinii var. deeringii
                                               Pilosocereus robinii var. robinii
                                             Pilosocereus royenii
                                                   [Cephalocereus barbadensis]
                                                   [Cephalocereus millspaughii]
                                                   [Cephalocereus nobilis]
                                                   [Cephalocereus royenii]
                                                   [Cephalocereus swartzii]
                                                   [Cereus royenii]
                                                   [Pilocereus strictus]
                                                   [Pilosocereus nobilis]
                                             Pilosocereus ulei
                                     Piptanthocereus
                                     Platyopuntia
                                     Polaskia
                                             Polaskia chende
                                             Polaskia chichipe
                                     Praecereus
                                     Pseudorhipsalis
                                     Pterocactus
                                             Pterocactus gonjianii
                                     Pygmaeocereus
                                             Pygmaeocereus bylesianus
                                             Pygmaeocereus familiaris
                                     Rathbunia
                                             Rathbunia alamosensis
                                     Rebutia
                                             Rebutia arenacea
                                             Rebutia cylindrica
                                             Rebutia fiebrigii
                                             Rebutia neocumingii
                                             Rebutia steinbachii
                                     Rhipsalis
                                             Rhipsalis baccifera
                                                   [Cassytha baccifera]
                                                   [Rhipsalis cassutha]
                                             Rhipsalis cereuscula
                                             Rhipsalis clavata
                                             Rhipsalis grandiflora
                                             Rhipsalis mesembryanthemoides
                                             Rhipsalis micrantha
                                             Rhipsalis neves-armondii
                                             Rhipsalis oblonga
                                             Rhipsalis pachyptera
                                             Rhipsalis paradoxa
                                             Rhipsalis pilocarpa
                                             Rhipsalis pulchra
                                             Rhipsalis teres
                                     Ripsalis
                                     Samaipaticereus
                                     Schlumbergera
                                             Schlumbergera gaertneri
                                             Schlumbergera truncata
                                                   [Epiphyllum truncatum]
                                                   [Zygocactus truncatus]
                                     Sclerocactus
                                             Sclerocactus blainei
                                             Sclerocactus brevihamatus
                                               Sclerocactus brevihamatus ssp. brevihamatus
                                               Sclerocactus brevihamatus ssp. tobuschii
                                             Sclerocactus brevispinus
                                             Sclerocactus cloverae
                                               Sclerocactus cloverae ssp. brackii
                                             Sclerocactus glaucus
                                             Sclerocactus havasupaiensis
                                             Sclerocactus intertextus
                                             Sclerocactus mariposensis
                                             Sclerocactus mesae-verdae
                                                   [Coloradoa mesae-verdae]
                                                   [Echinocactus mesae-verdae]
                                                   [Pediocactus mesae-verdae]
                                             Sclerocactus nyensis
                                             Sclerocactus papyracanthus
                                                   [Echinocactus papyracanthus]
                                                   [Pediocactus papyracanthus]
                                                   [Toumeya papyracantha]
                                             Sclerocactus parviflorus
                                               Sclerocactus parviflorus ssp. havasupaiensis
                                               Sclerocactus parviflorus ssp. intermedius
                                                     [Echinocactus whipplei var. intermedius]
                                                     [Sclerocactus intermedius]
                                                     [Sclerocactus parviflorus var. intermedius]
                                                     [Sclerocactus whipplei var. intermedius]
                                               Sclerocactus parviflorus ssp. parviflorus
                                                     [Sclerocactus cloveriae ssp. brackii]
                                                     [Sclerocactus cloveriae]
                                                     [Sclerocactus contortus]
                                                     [Sclerocactus whipplei var. heilii]
                                                     [Sclerocactus whipplei var. reevsii]
                                               Sclerocactus parviflorus ssp. terrae-canyonae
                                                     [Sclerocactus terrae-canyonae]
                                             Sclerocactus polyancistrus
                                             Sclerocactus pubispinus
                                             Sclerocactus scheeri
                                             Sclerocactus schlesseri
                                             Sclerocactus sileri
                                             Sclerocactus spinosior
                                                   [Echinocactus whipplei var. spinosior]
                                                   [Sclerocactus pubispinus var. sileri]
                                                   [Sclerocactus pubispinus var. spinosior]
                                                   [Sclerocactus whipplei var. spinosior]
                                               Sclerocactus spinosior ssp. blainei
                                               Sclerocactus spinosior ssp. spinosior
                                             Sclerocactus uncinatus
                                               Sclerocactus uncinatus ssp. crassihamatus
                                               Sclerocactus uncinatus var. uncinatus
                                                     [Ancistrocactus uncinatus]
                                                     [Echinocactus uncinatus]
                                                     [Thelocactus uncinatus]
                                               Sclerocactus uncinatus var. wrightii
                                                     [Ancistrocactus uncinatus var. wrightii]
                                                     [Echinocactus uncinatus var. wrightii]
                                                     [Ferocactus uncinatus var. wrightii]
                                                     [Sclerocactus uncinatus ssp. wrightii]
                                             Sclerocactus unguispinus
                                             Sclerocactus warnockii
                                             Sclerocactus wetlandicus
                                             Sclerocactus whipplei
                                                   [Echinocactus whipplei]
                                                   [Pediocactus whipplei]
                                                   [Sclerocactus parviflorus var. blessingiae]
                                                   [Sclerocactus whipplei var. roseus]
                                               Sclerocactus whipplei var. glaucus
                                             Sclerocactus wrightiae
                                     Selenicereus
                                             Selenicereus chrysocardium
                                             Selenicereus coniflorus
                                             Selenicereus grandiflorus
                                                   [Cereus grandiflorus var. armatus]
                                                   [Cereus grandiflorus]
                                                   [Selenicereus macdonaldiae]
                                             Selenicereus hamatus
                                             Selenicereus innesii
                                             Selenicereus pteranthus
                                                   [Cereus pteranthus]
                                             Selenicereus spinulosus
                                             Selenicereus testudo
                                             Selenicereus vagans
                                             Selenicereus wercklei
                                     Stenocactus
                                             Stenocactus multicostatus
                                             Stenocactus vaupelianus
                                     Stenocereus
                                             Stenocereus alamosensis
                                             Stenocereus alamosensis x thurberi
                                             Stenocereus beneckei
                                             Stenocereus dumortieri
                                             Stenocereus eruca
                                             Stenocereus fimbriatus
                                             Stenocereus griseus
                                             Stenocereus gummosus
                                             Stenocereus hystrix
                                             Stenocereus kerberi
                                             Stenocereus littoralis
                                                   [Stenocereus thurberi ssp. littoralis]
                                             Stenocereus marginatus
                                             Stenocereus montanus
                                             Stenocereus pruinosus
                                             Stenocereus queretaroensis
                                             Stenocereus standleyi
                                             Stenocereus stellatus
                                             Stenocereus thurberi
                                                   [Cereus thurberi]
                                                   [Lamaireocereus thurberi]
                                                   [Lemaireocereus thurberi]
                                                   [Pachycereus thurberi]
                                               Stenocereus thurberi var. thurberi
                                             Stenocereus treleasei
                                             Stenocereus yunckeri
                                     Stetsonia
                                             Stetsonia coryne
                                     Strombocactus
                                             Strombocactus disciformis
                                     Strophocactus
                                     Sulcorebutia
                                     Tephrocactus
                                             Tephrocactus articulatus
                                                   [Opuntia papyracantha]
                                             Tephrocactus minusculus
                                             Tephrocactus molinensis
                                             Tephrocactus strobiliformis
                                             Tephrocactus weberi
                                     Thelocactus
                                             Thelocactus bicolor
                                               Thelocactus bicolor var. bicolor
                                               Thelocactus bicolor var. flavidispinus
                                                     [Echinocactus flavidispinus]
                                                     [Thelocactus bicolor ssp. flavidispinus]
                                               Thelocactus bicolor var. schottii
                                             Thelocactus conothelos
                                               Thelocactus conothelos ssp. argenteus
                                               Thelocactus conothelos ssp. aurantiacus
                                             Thelocactus hastifer
                                             Thelocactus hexaedrophorus
                                               Thelocactus hexaedrophorus var. lloydii
                                             Thelocactus leucacanthus
                                               Thelocactus leucacanthus ssp. schmollii
                                             Thelocactus macdowellii
                                             Thelocactus rinconensis
                                             Thelocactus setispinus
                                             Thelocactus tulensis
                                     Thrixanthocereus
                                     Toumeya
                                     Trichocereus
                                             Trichocereus auricolor
                                             Trichocereus callianthus
                                             Trichocereus candicans
                                             Trichocereus grandiflorus
                                             Trichocereus pachanoi
                                             Trichocereus pasacanus
                                             Trichocereus peruvianus
                                             Trichocereus schickendantzii
                                             Trichocereus spachianus
                                             Trichocereus tarijensis
                                                   [Trichocereus poco]
                                             Trichocereus terscheckii
                                             Trichocereus thelegonus
                                             Trichocereus uyupampensis
                                     Tunilla
                                             Tunilla corrugata
                                             Tunilla soehrensii
                                     Turbinicarpus
                                             Turbinicarpus beguinii
                                             Turbinicarpus booleanus
                                             Turbinicarpus gautii
                                             Turbinicarpus gielsdorfianus
                                             Turbinicarpus horripilus
                                             Turbinicarpus knuthianus
                                             Turbinicarpus pseudomacrochele
                                             Turbinicarpus pseudopectinatus
                                             Turbinicarpus schmiedickeanus
                                               Turbinicarpus schmiedickeanus var. klinkerianus
                                               Turbinicarpus schmiedickeanus var. macrochele
                                               Turbinicarpus schmiedickeanus var. schwarzii
                                             Turbinicarpus subterraneus
                                               Turbinicarpus subterraneus var. subterraneus
                                             Turbinicarpus valdezianus
                                             Turbinicarpus viereckii
                                     Utahia
                                     Weberbauerocereus
                                             Weberbauerocereus weberbaueri
                                     Weberocereus
                                             Weberocereus tonduzii
                                             Weberocereus tunilla
                                     Weingartia
                                     Werckleocereus
                                     Wigginsia
                                             Wigginsia fricii
                                     Wilcoxia
                                             Wilcoxia mariana
                                     Wittia
                                     Xborzipostoa
                                     Xhaagespostoa
                                     Zygocactus

Problematic Rooting (10154)
                                               Neolloydia erectocentra var. erectocentra

Problematic Rooting (10973)
                                               Cereus schottii var. schottii