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