Central Taxonomic Thesaurus

Taxon Search
  Plantae
      Magnoliophyta
             [Angiospermae]
         Eudicots
             Core Eudicots
               Asterids
               Lamiids
                    Gentianales
                            Gentianaceae
                                     Amarella
                                             Amarella copelandi
                                             Amarella distegia
                                             Amarella heterosepala
                                             Amarella plebeia
                                             Amarella revoluta
                                     Anthopogon
                                             Anthopogon crinitum
                                             Anthopogon elegans
                                             Anthopogon thermalis
                                             Anthopogon tonsum
                                     Arctogentia
                                             Arctogentia aurea
                                     Bisgoeppertia
                                             Bisgoeppertia gracilis
                                             Bisgoeppertia scandens
                                     Calathiana
                                             Calathiana nivalis
                                     Centaurella
                                             Centaurella paniculata
                                             Centaurella verna
                                     Centaurium
                                             Centaurium beyrichii
                                               Centaurium beyrichii var. glanduliferum
                                             Centaurium blumbergianum
                                             Centaurium brachycalyx
                                             Centaurium capense
                                             Centaurium chironioides
                                             Centaurium curvistamineum
                                             Centaurium erythraea
                                             Centaurium floribundum
                                             Centaurium gentryi
                                             Centaurium glanduliferum
                                             Centaurium littorale
                                             Centaurium maryannum
                                             Centaurium multicaule
                                             Centaurium namophilum
                                             Centaurium nudicaule
                                             Centaurium pulchellum
                                             Centaurium pusillum
                                             Centaurium quitense
                                                   [Centaurium brittonii]
                                                   [Erythraea quitensis]
                                             Centaurium sebaeoides
                                             Centaurium setaceum
                                             Centaurium spicatum
                                             Centaurium strictum
                                             Centaurium tenuiflorum
                                             Centaurium tenuifolium
                                             Centaurium texense
                                             Centaurium umbellatum
                                             Centaurium wigginsii
                                     Chelonanthus
                                             Chelonanthus alatus
                                             Chelonanthus grandiflorus
                                             Chelonanthus uliginosus
                                     Chironia
                                             Chironia dodecandra
                                     Chondrophylla
                                     Cicendia
                                             Cicendia quadrangularis
                                     Ciminalis
                                     Comastoma
                                             Comastoma pulmonarium
                                     Coutoubea
                                             Coutoubea spicata
                                     Curtia
                                     Dasystephana
                                             Dasystephana andrewsii
                                             Dasystephana decora
                                             Dasystephana glauca
                                             Dasystephana grayi
                                             Dasystephana latifolia
                                             Dasystephana linearis
                                             Dasystephana parvifolia
                                             Dasystephana porphyrio
                                             Dasystephana saponaria
                                             Dasystephana tenuifolia
                                             Dasystephana villosa
                                     Deianira
                                     Enicostema
                                             Enicostema verticillatum
                                     Erythraea
                                             Erythraea beyrichii
                                             Erythraea centaurium
                                             Erythraea divaricata
                                             Erythraea douglasii
                                             Erythraea floribunda
                                             Erythraea littoralis
                                             Erythraea nudicaulis
                                             Erythraea nuttallii
                                             Erythraea pulchella
                                             Erythraea scilloides
                                                   [Centaurium scilloides]
                                             Erythraea texensis
                                             Erythraea venusta
                                               Erythraea venusta var. micrantha
                                     Eustoma
                                             Eustoma exaltatum
                                               Eustoma exaltatum ssp. exaltatum
                                                     [Eustoma barkleyi]
                                               Eustoma exaltatum ssp. russellianum
                                                     [Eustoma russellianum]
                                             Eustoma gracile
                                             Eustoma grandiflorum
                                     Exacum
                                             Exacum chilense
                                             Exacum inflatum
                                     Fagraea
                                             Fagraea berteriana
                                             Fagraea berteroana
                                             Fagraea fragrans
                                             Fagraea gracilipes
                                     Frasera
                                             Frasera ackermaniae
                                                   [Frasera ackermanae]
                                             Frasera albicaulis
                                               Frasera albicaulis ssp. nitida
                                               Frasera albicaulis var. albicaulis
                                               Frasera albicaulis var. columbiana
                                               Frasera albicaulis var. cusickii
                                               Frasera albicaulis var. idahoensis
                                               Frasera albicaulis var. modocensis
                                                     [Frasera pahutensis]
                                                     [Swertia bethelii]
                                                     [Swertia californica]
                                                     [Swertia modocensis var. adglabra]
                                                     [Swertia modocensis]
                                                     [Swertia pahutensis]
                                                     [Swertia shastensis]
                                                     [Swertia sierrae]
                                               Frasera albicaulis var. nitida
                                             Frasera albomarginata
                                                   [Frasera albomarginata var. induta]
                                                   [Leucocraspedum albomarginatum]
                                                   [Swertia albomarginata ssp. purpusii]
                                                   [Swertia albomarginata]
                                               Frasera albomarginata var. purpusii
                                             Frasera ampla
                                             Frasera caerulea
                                             Frasera caroliniensis
                                             Frasera coerulea
                                             Frasera coloradensis
                                             Frasera fastigiata
                                             Frasera gypsicola
                                             Frasera montana
                                             Frasera neglecta
                                             Frasera nitida
                                               Frasera nitida var. albicaulis
                                             Frasera officinalis
                                             Frasera paniculata
                                                   [Swertia utahensis]
                                             Frasera parryi
                                                   [Swertia parryi]
                                             Frasera puberulenta
                                             Frasera speciosa
                                                   [Frasera angustifolia]
                                                   [Frasera macrophylla]
                                                   [Frasera speciosa var. angustifolia]
                                                   [Frasera speciosa var. stenosepala]
                                                   [Frasera stenosepala]
                                                   [Swertia radiata var. macrophylla]
                                                   [Swertia radiata var. maderensis]
                                                   [Swertia radiata]
                                                   [Tesseranthium angustifolium]
                                                   [Tesseranthium macrophyllum]
                                                   [Tesseranthium radiatum]
                                               Frasera speciosa var. scabra
                                             Frasera tubulosa
                                             Frasera umpquaensis
                                             Frasera venosa
                                             Frasera verticillata
                                             Frasera walteri
                                     Gentiana
                                             Gentiana acaulis
                                             Gentiana adsurgens
                                             Gentiana affinis
                                                   [Dasystephana affinis]
                                                   [Dasystephana interrupta]
                                                   [Gentiana affinis var. bigelovii]
                                                   [Gentiana affinis var. forwoodii]
                                                   [Gentiana affinis var. major]
                                                   [Gentiana affinis var. ovata]
                                                   [Gentiana affinis var. parvidentata]
                                                   [Gentiana bigelovii]
                                                   [Gentiana forwoodii]
                                                   [Gentiana interrupta]
                                                   [Gentiana oregana]
                                                   [Gentiana rusbyi]
                                                   [Pneumonanthe affinis]
                                                   [Pneumonanthe bigelovii]
                                             Gentiana alba
                                             Gentiana aleutica
                                             Gentiana algida
                                                   [Gentiana romanzovii]
                                                   [Gentianodes algida]
                                             Gentiana andrewsii
                                               Gentiana andrewsii var. andrewsii
                                               Gentiana andrewsii var. dakotica
                                             Gentiana aphylla
                                             Gentiana arctophila
                                             Gentiana aurea
                                             Gentiana austromontana
                                             Gentiana autumnalis
                                             Gentiana bavarica
                                             Gentiana bicuspidata
                                             Gentiana bisetaea
                                             Gentiana brachyphylla
                                             Gentiana bracteosa
                                             Gentiana calycosa
                                               Gentiana calycosa var. monticola
                                               Gentiana calycosa var. obtusiloba
                                               Gentiana calycosa var. xantha
                                             Gentiana catesbaei
                                               Gentiana catesbaei var. nummulariifolia
                                             Gentiana cherokeensis
                                             Gentiana citrina
                                             Gentiana clausa
                                             Gentiana copelandii
                                             Gentiana crinita
                                               Gentiana crinita ssp. victorinii
                                               Gentiana crinita var. browniana
                                               Gentiana crinita var. tonsa
                                             Gentiana cruciata
                                             Gentiana decora
                                             Gentiana deloachii
                                             Gentiana distegia
                                             Gentiana douglasiana
                                             Gentiana elliottii
                                               Gentiana elliottii var. latifolia
                                             Gentiana eximia
                                             Gentiana farreri
                                             Gentiana flavida
                                             Gentiana fremontii
                                                   [Chondrophylla aquatica]
                                                   [Chondrophylla fremontii]
                                                   [Ciminalis fremontii]
                                                   [Gentiana aquatica]
                                             Gentiana frigida
                                             Gentiana gaspensis
                                             Gentiana glauca
                                             Gentiana helleri
                                             Gentiana hooperi
                                             Gentiana linearis
                                               Gentiana linearis ssp. rubricaulis
                                               Gentiana linearis var. lanceolata
                                               Gentiana linearis var. latifolia
                                             Gentiana lineata
                                             Gentiana lutea
                                             Gentiana macounii
                                             Gentiana menziesii
                                             Gentiana monantha
                                             Gentiana nesophila
                                                   [Gentiana detonsa var. nesophila]
                                             Gentiana newberryi
                                               Gentiana newberryi var. newberryi
                                               Gentiana newberryi var. tiogana
                                             Gentiana nivalis
                                             Gentiana parryi
                                                   [Gentiana calycosa var. asepala]
                                                   [Pneumonanthe parryi]
                                             Gentiana pennelliana
                                             Gentiana platypetala
                                             Gentiana plebeia
                                             Gentiana plurisetosa
                                                   [Gentiana setigera]
                                             Gentiana polyantha
                                             Gentiana porphyrio
                                             Gentiana procera
                                             Gentiana propinqua
                                               Gentiana propinqua ssp. arctophila
                                             Gentiana prostrata
                                                   [Chondrophylla nutans]
                                                   [Chondrophylla prostrata]
                                                   [Ciminalis prostrata]
                                                   [Gentiana nutans]
                                                   [Gentiana prostrata var. americana]
                                             Gentiana puberulenta
                                                   [Gentiana puberula]
                                             Gentiana punctata
                                             Gentiana quadrangularis
                                             Gentiana quinqueflora
                                               Gentiana quinqueflora var. occidentalis
                                             Gentiana quinquefolia
                                               Gentiana quinquefolia var. occidentalis
                                             Gentiana raupii
                                                   [Gentiana detonsa var. raupii]
                                             Gentiana rubricaulis
                                             Gentiana salpinx
                                             Gentiana saponaria
                                               Gentiana saponaria var. latidens
                                               Gentiana saponaria var. linearis
                                               Gentiana saponaria var. saponaria
                                             Gentiana sceptrum
                                               Gentiana sceptrum var. cascadensis
                                               Gentiana sceptrum var. humilis
                                             Gentiana sedifolia
                                             Gentiana septemfida
                                             Gentiana serrata
                                               Gentiana serrata var. grandis
                                               Gentiana serrata var. holopetala
                                             Gentiana spathacea
                                             Gentiana squarrosa
                                             Gentiana stoneana
                                             Gentiana straminea
                                             Gentiana superba
                                             Gentiana tiogana
                                             Gentiana tonsa
                                                   [Gentiana detonsa var. tonsa]
                                             Gentiana tortuosa
                                             Gentiana utriculosa
                                             Gentiana veitchiorum
                                             Gentiana ventricosa
                                             Gentiana verna
                                             Gentiana verticillata
                                             Gentiana victorinii
                                             Gentiana villosa
                                             Gentiana viridula
                                             Gentiana x billingtonii
                                             Gentiana x curtisii
                                             Gentiana x grandilacustris
                                             Gentiana x pallidocyanea
                                     Gentianella
                                             Gentianella amarella
                                               Gentianella amarella ssp. Mexicana
                                               Gentianella amarella ssp. acuta
                                                     [Amarella acuta]
                                                     [Amarella plebeja var. holmii]
                                                     [Amarella plebeja]
                                                     [Amarella strictiflora]
                                                     [Gentiana acuta]
                                                     [Gentiana amarella ssp. acuta]
                                                     [Gentiana amarella var. acuta]
                                                     [Gentiana amarella var. plebeja]
                                                     [Gentiana amarella var. stricta]
                                                     [Gentiana amarella]
                                                     [Gentiana plebeja var. holmii]
                                                     [Gentiana plebeja]
                                                     [Gentiana strictiflora]
                                                     [Gentianella acuta]
                                                     [Gentianella amarella var. acuta]
                                                     [Gentianella strictiflora]
                                               Gentianella amarella ssp. heterosepala
                                                     [Amarella scopulorum]
                                                     [Gentiana amarella ssp. heterosepala]
                                                     [Gentiana heterosepala]
                                                     [Gentiana scopulorum]
                                                     [Gentianella amarella var. heterosepala]
                                                     [Gentianella heterosepala]
                                             Gentianella aurea
                                             Gentianella auriculata
                                             Gentianella crinita
                                               Gentianella crinita ssp. macounii
                                               Gentianella crinita ssp. nevadensis
                                               Gentianella crinita ssp. procera
                                             Gentianella microcalyx
                                                   [Gentiana microcalyx]
                                             Gentianella occidentalis
                                             Gentianella propinqua
                                               Gentianella propinqua ssp. aleutica
                                               Gentianella propinqua ssp. arctophila
                                               Gentianella propinqua ssp. propinqua
                                               Gentianella propinqua var. aleutica
                                             Gentianella quinquefolia
                                               Gentianella quinquefolia ssp. occidentalis
                                               Gentianella quinquefolia ssp. quinquefolia
                                             Gentianella tenella
                                               Gentianella tenella ssp. pribilofii
                                               Gentianella tenella ssp. tenella
                                                     [Comastoma tenellum]
                                                     [Gentiana tenella]
                                             Gentianella tortuosa
                                             Gentianella wislizeni
                                                   [Gentiana wislizeni]
                                             Gentianella wrightii
                                                   [Gentiana wrightii]
                                                   [Gentianella amarella ssp. wrightii]
                                     Gentianodes
                                             Gentianodes glauca
                                     Gentianopsis
                                             Gentianopsis barbellata
                                                   [Gentiana barbellata]
                                                   [Gentianella barbellata]
                                             Gentianopsis crinita
                                             Gentianopsis detonsa
                                               Gentianopsis detonsa ssp. detonsa
                                                     [Gentiana barbata]
                                                     [Gentiana detonsa var. groenlandica]
                                                     [Gentiana detonsa]
                                                     [Gentiana richardsonii]
                                                     [Gentianella detonsa ssp. nesophila]
                                                     [Gentianella detonsa ssp. raupii]
                                                     [Gentianella detonsa ssp. yukonensis]
                                                     [Gentianella detonsa]
                                               Gentianopsis detonsa ssp. nesophila
                                               Gentianopsis detonsa ssp. raupii
                                               Gentianopsis detonsa ssp. yukonensis
                                             Gentianopsis holopetala
                                                   [Gentiana holopetala]
                                                   [Gentianella detonsa ssp. holopetala]
                                             Gentianopsis lanceolata
                                             Gentianopsis macounii
                                             Gentianopsis macrantha
                                                   [Gentiana grandis]
                                                   [Gentianella detonsa ssp. superba]
                                             Gentianopsis nesophila
                                             Gentianopsis procera
                                               Gentianopsis procera ssp. macounii
                                               Gentianopsis procera var. victorinii
                                             Gentianopsis raupii
                                             Gentianopsis simplex
                                                   [Gentiana simplex]
                                                   [Gentianella simplex]
                                             Gentianopsis thermalis
                                                   [Gentiana detonsa var. unicaulis]
                                                   [Gentiana elegans]
                                                   [Gentiana thermalis]
                                                   [Gentianella detonsa ssp. elegans]
                                                   [Gentianella detonsa var. elegans]
                                                   [Gentianopsis detonsa var. elegans]
                                                   [Gentianopsis elegans]
                                             Gentianopsis virgata
                                               Gentianopsis virgata ssp. victorinii
                                               Gentianopsis virgata ssp. virgata
                                     Gyrandra
                                     Halenia
                                             Halenia brevicornis
                                               Halenia brevicornis var. chihuahuensis
                                               Halenia brevicornis var. multiflora
                                             Halenia conzattii
                                             Halenia crassiuscula
                                             Halenia decumbens
                                             Halenia deflexa
                                               Halenia deflexa ssp. deflexa
                                             Halenia hintoni
                                             Halenia multiflora
                                             Halenia nudicaulis
                                             Halenia palmeri
                                             Halenia plantaginea
                                             Halenia recurva
                                                   [Swertia recurva]
                                             Halenia rothrockii
                                     Irlbachia
                                     Lapithea
                                             Lapithea boykinii
                                             Lapithea capitata
                                             Lapithea gentianoides
                                     Lehmanniella
                                     Leiphaimos
                                             Leiphaimos aphylla
                                             Leiphaimos parasitica
                                             Leiphaimos portoricensis
                                     Leucocraspedum
                                           [Rustia]
                                             Leucocraspedum albicaule
                                             Leucocraspedum montanum
                                     Lisianthius
                                             Lisianthius laxiflorus
                                     Lisianthus
                                             Lisianthus axillaris
                                             Lisianthus cuspidatus
                                             Lisianthus nigrescens
                                             Lisianthus quichensis
                                             Lisianthus russellianus
                                             Lisianthus saponarioides
                                     Lomatogonium
                                             Lomatogonium rotatum
                                                   [Lomatogonium rotatum ssp. tenuifolium]
                                                   [Pleurogyne rotata]
                                     Macrocarpaea
                                             Macrocarpaea rubra
                                     Microcala
                                             Microcala quadrangularis
                                     Obolaria
                                             Obolaria virginica
                                     Pagaea
                                     Pleurogyna
                                             Pleurogyna rotata
                                     Pleurogyne
                                             Pleurogyne fontana
                                     Pneumonanthe
                                             Pneumonanthe andrewsii
                                             Pneumonanthe calycosa
                                             Pneumonanthe oregana
                                             Pneumonanthe sceptrum
                                             Pneumonanthe setigera
                                     Potalia
                                     Sabatia
                                             Sabatia alainii
                                             Sabatia angularis
                                             Sabatia arenicola
                                             Sabatia bartramii
                                             Sabatia boykinii
                                             Sabatia brachiata
                                             Sabatia brevifolia
                                             Sabatia calycina
                                                   [Sabatia cubensis]
                                                   [Sabatia gracilis var. cubensis]
                                             Sabatia campanulata
                                               Sabatia campanulata var. gracilis
                                               Sabatia campanulata var. grandiflora
                                             Sabatia campestris
                                             Sabatia capitata
                                             Sabatia carnosa
                                             Sabatia chloroides
                                             Sabatia corymbosa
                                             Sabatia decandra
                                             Sabatia difformis
                                             Sabatia dodecandra
                                               Sabatia dodecandra var. coriacea
                                               Sabatia dodecandra var. dodecandra
                                               Sabatia dodecandra var. foliosa
                                               Sabatia dodecandra var. kennedyana
                                             Sabatia elliottii
                                             Sabatia foliosa
                                             Sabatia formosa
                                             Sabatia gentianoides
                                             Sabatia gracilis
                                               Sabatia gracilis var. grandiflora
                                             Sabatia grandiflora
                                             Sabatia harperi
                                             Sabatia kennedyana
                                             Sabatia lanceolata
                                             Sabatia macrophylla
                                               Sabatia macrophylla var. macrophylla
                                               Sabatia macrophylla var. recurvans
                                             Sabatia maculata
                                             Sabatia obtusata
                                             Sabatia palmeri
                                             Sabatia paniculata
                                             Sabatia purpusii
                                             Sabatia quadrangula
                                             Sabatia recurvans
                                             Sabatia simulata
                                             Sabatia stellaris
                                             Sabatia tuberculata
                                     Sabbatia
                                             Sabbatia angularis
                                             Sabbatia campestris
                                             Sabbatia dodecandra
                                             Sabbatia lanceolata
                                             Sabbatia stellaris
                                     Schultesia
                                             Schultesia brachyptera
                                             Schultesia guianensis
                                             Schultesia heterophylla
                                     Swertia
                                             Swertia albicaulis
                                               Swertia albicaulis var. albicaulis
                                               Swertia albicaulis var. columbiana
                                               Swertia albicaulis var. cusickii
                                               Swertia albicaulis var. idahoensis
                                               Swertia albicaulis var. nitida
                                             Swertia caroliniensis
                                             Swertia coloradensis
                                             Swertia columbiana
                                             Swertia covillei
                                             Swertia cusickii
                                             Swertia eastwoodiae
                                             Swertia fastigiata
                                             Swertia fritillaria
                                             Swertia gypsicola
                                             Swertia idahoensis
                                             Swertia lassenica
                                             Swertia montana
                                             Swertia neglecta
                                             Swertia nitida
                                               Swertia nitida ssp. cusickii
                                             Swertia palustris
                                             Swertia paniculata
                                             Swertia parallela
                                             Swertia perennis
                                                   [Swertia perennis var. obtusa]
                                             Swertia puberulenta
                                             Swertia scopulina
                                             Swertia speciosa
                                             Swertia tubulosa
                                             Swertia umpquaensis
                                             Swertia usambarensis
                                             Swertia watsonii
                                     Symbolanthus
                                     Tachia
                                     Tapeinostemon
                                     Tesseranthium
                                     Tetragonanthus
                                             Tetragonanthus rothrockii
                                     Tetrapollinia
                                     Voyria
                                             Voyria aphylla
                                             Voyria mexicana
                                             Voyria parasitica
                                             Voyria tenella
                                     Voyriella
                                     Xestaea
                                     Zeltnera
                                             Zeltnera abramsii
                                             Zeltnera arizonica
                                                   [Centaurium arizonicum]
                                                   [Centaurium calycosum var. arizonicum]
                                             Zeltnera calycosa
                                                   [Centaurium breviflorum]
                                                   [Centaurium calycosum var. breviflorum]
                                                   [Centaurium calycosum var. calycosum]
                                                   [Centaurium calycosum var. nanum]
                                                   [Centaurium calycosum]
                                                   [Erythraea calycosa var. arizonica]
                                                   [Erythraea calycosa]
                                             Zeltnera davyi
                                                   [Centaurium davyi]
                                             Zeltnera exaltata
                                                   [Centaurium exaltatum]
                                                   [Centaurium namophilum var. nevadense]
                                                   [Centaurium nuttallii]
                                                   [Cicendia exaltata]
                                             Zeltnera muehlenbergii
                                                   [Centaurium muehlenbergii]
                                             Zeltnera nudicaulis
                                             Zeltnera trichantha
                                                   [Centaurium trichanthum]
                                             Zeltnera venusta
                                                   [Centaurium venustum ssp. abramsii]
                                                   [Centaurium venustum]

Problematic Rooting (15249)
                                               Gentiana tenella var. monantha

Problematic Rooting (46999)
                                               Centaurium venustum ssp. venustum