| Cirsium acantholepis (Hemsl.) Petr. |
Accepted |
17 |
| Cirsium acaule (L.) A. A. Weber ex Wigg. |
Accepted |
17 |
| Cirsium adjaricum Sommier & Levier |
Accepted |
17 |
| Cirsium aduncum Fisch. & C. A. Mey. ex DC. |
Accepted |
17 |
| Cirsium aggregatum Ledeb. |
Accepted |
17 |
| Cirsium aidzuense Nakai ex Kitam. |
Accepted |
17 |
| Cirsium aitchisonii Boiss. |
Accepted |
17 |
| Cirsium alatum (S. G. Gmel.) Bobrov |
Accepted |
17 |
| Cirsium albescens Kitam. |
Accepted |
17 |
| Cirsium alpicola Nakai |
Accepted |
51 |
| Cirsium alpis-lunae Brilli-Catt. & Gubellini |
Accepted |
17 |
| Cirsium altissimum (L.) Hill |
Accepted |
9 |
| Cirsium amplexifolium (Nakai) Kitam. |
Accepted |
17 |
| Cirsium amplexifolium var. muraii (Kitam.) Kitam. |
Accepted |
17 |
| Cirsium anartiolepis Petr. |
Accepted |
17 |
| Cirsium andersonii (A. Gray) Petr. |
Accepted |
16 |
| Cirsium andrewsii (A. Gray) Jeps. |
Accepted |
16 |
| Cirsium aomorense Nakai |
Accepted |
17 |
| Cirsium apoense Nakai |
Accepted |
34 |
| Cirsium appendiculatum Griseb. |
Accepted |
34 |
| Cirsium arachnoideum (M. Bieb.) M. Bieb. |
Accepted |
17 |
| Cirsium argyracanthum DC. |
Accepted |
17 |
| Cirsium arisanense Kitam. |
Accepted |
17 |
| Cirsium arizonicum (A. Gray) Petr. |
Accepted |
16 |
| Cirsium arizonicum var. chellyense (R. J. Moore & Frankton) D. J. Keil |
Accepted |
17 |
| Cirsium arizonicum var. rothrockii (A. Gray) D. J. Keil |
Accepted |
15 |
| Cirsium arvense (L.) Scop. |
Accepted |
17 |
| Cirsium ashiuense S. Yokoy. & T. Shimizu |
Accepted |
34 |
| Cirsium babanum Koidz. |
Accepted |
17 |
| Cirsium bertolonii Spreng. |
Accepted |
17 |
| Cirsium bitchuense Nakai |
Accepted |
34 |
| Cirsium boninense Koidz. |
Accepted |
17 |
| Cirsium brachycephalum Jur. |
Accepted |
17 |
| Cirsium bracteosum DC. |
Accepted |
17 |
| Cirsium brevicaule A. Gray |
Accepted |
17 |
| Cirsium brevifolium Nutt. |
Accepted |
11 |
| Cirsium brevistylum Cronquist |
Accepted |
17 |
| Cirsium buergeri Miq. |
Accepted |
34 |
| Cirsium bulgaricum DC. |
Accepted |
15 |
| Cirsium candelabrum Griseb. |
Accepted |
17 |
| Cirsium canescens Nutt. |
Accepted |
17 |
| Cirsium canum (L.) All. |
Accepted |
17 |
| Cirsium carniolicum Scop. |
Accepted |
17 |
| Cirsium carolinianum (Walter) Fernald & B. G. Schub. |
Accepted |
10 |
| Cirsium caucasicum Petr. |
Accepted |
17 |
| Cirsium cephalotes Boiss. |
Accepted |
17 |
| Cirsium cernuum Lag. |
Accepted |
17 |
| Cirsium chokaiense Kitam. |
Accepted |
17 |
| Cirsium chrysacanthum (Ball) Jahand. |
Accepted |
17 |
| Cirsium ciliatum (Murray) Moench |
Accepted |
10 |
| Cirsium ciliatum subsp. szovitsii (K. Koch) Petr. |
Accepted |
34 |
| Cirsium clavatum var. americanum (A. Gray) D. J. Keil |
Accepted |
17 |
| Cirsium clokeyi S. F. Blake |
Accepted |
17 |
| Cirsium coahuilense G. B. Ownbey & Pinkava |
Accepted |
15 |
| Cirsium confertissimum Nakai |
Accepted |
34 |
| Cirsium congestissimum Kitam. |
Accepted |
17 |
| Cirsium conspicuum (G. Don) S. Bip. |
Accepted |
17 |
| Cirsium coryletorum Komarov |
Accepted |
17 |
| Cirsium crassicaule (Greene) Jeps. |
Accepted |
16 |
| Cirsium creticum (Lam.) d'Urv. |
Accepted |
17 |
| Cirsium creticum subsp. triumfetti (Lacaita) Werner |
Accepted |
17 |
| Cirsium dealbatum M. Bieb. |
Accepted |
17 |
| Cirsium decussatum Janka |
Accepted |
17 |
| Cirsium dipsacolepis (Maxim.) Matsum. |
Accepted |
17 |
| Cirsium discolor (Muhl.) Spreng. |
Accepted |
10 |
| Cirsium dissectum (L.) Hill |
Accepted |
17 |
| Cirsium douglasii var. breweri (A. Gray) D. J. Keil & C. E. Turner |
Accepted |
15 |
| Cirsium drummondii Torr. & A. Gray |
Accepted |
17 |
| Cirsium durangense (Greenm.) G. B. Ownbey |
Accepted |
15 |
| Cirsium eatonii var. murdockii S. L. Welsh |
Accepted |
17 |
| Cirsium eatonii var. peckii (L. F. Hend.) D. J. Keil |
Accepted |
16 |
| Cirsium echinatum (Desf.) DC. |
Accepted |
17 |
| Cirsium echinus (M. Bieb.) H. -Mazz. |
Accepted |
17 |
| Cirsium edule Nutt. |
Accepted |
17 |
| Cirsium edule var. macounii (Greene) D. J. Keil |
Accepted |
17 |
| Cirsium ehrenbergii S. Bip. |
Accepted |
18 |
| Cirsium engelmannii Rydb. |
Accepted |
10 |
| Cirsium eriophorum (L.) Scop. |
Accepted |
17 |
| Cirsium erisithales (Jacq.) Scop. |
Accepted |
17 |
| Cirsium esculentum (Siev.) C. A. Mey. |
Accepted |
17 |
| Cirsium fauriei Nakai |
Accepted |
34 |
| Cirsium ferox (L.) DC. |
Accepted |
17 |
| Cirsium filipendulum Lange |
Accepted |
17 |
| Cirsium flavispinum Boiss. |
Accepted |
17 |
| Cirsium flodmanii (Rydb.) Arthur |
Accepted |
11 |
| Cirsium foliosum (Hook.) DC. |
Accepted |
17 |
| Cirsium fontinale (Greene) Jeps. |
Accepted |
17 |
| Cirsium fontinale var. campylon (H. Sharsm.) Pilz ex D. J. Keil & C. E. Turner |
Accepted |
17 |
| Cirsium furusei Kitam. |
Accepted |
17 |
| Cirsium ganjuense Kitam. |
Accepted |
34 |
| Cirsium glabrifolium (C. Winkl.) O. Fedtsch. & B. Fedtsch. |
Accepted |
17 |
| Cirsium glabrum DC. |
Accepted |
17 |
| Cirsium grahamii A. Gray |
Accepted |
16 |
| Cirsium grandirosuliferum Kadota |
Accepted |
17 |
| Cirsium gratiosum Kitam. |
Accepted |
17 |
| Cirsium grayanum (Maxim.) Nakai |
Accepted |
17 |
| Cirsium griffithii Boiss. |
Accepted |
17 |
| Cirsium hachijoense Nakai |
Accepted |
34 |
| Cirsium haussknechtii Boiss. |
Accepted |
17 |
| Cirsium heiianum Koidz. |
Accepted |
17 |
| Cirsium helenioides (L.) Hill |
Accepted |
17 |
| Cirsium heterophyllum (L.) Hill |
Accepted |
17 |
| Cirsium heterotrichum Pančić |
Accepted |
17 |
| Cirsium hida-paludosum Kadota & Nagase |
Accepted |
17 |
| Cirsium hidakamontanum Kadota |
Accepted |
17 |
| Cirsium homolepis Nakai |
Accepted |
17 |
| Cirsium hookerianum Nutt. |
Accepted |
17 |
| Cirsium horridulum Michx. |
Accepted |
16 |
| Cirsium horridulum var. megacanthum (Nutt.) D. J. Keil |
Accepted |
16 |
| Cirsium horridulum var. vittatum (Small) R. W. Long |
Accepted |
16 |
| Cirsium hupehense Pamp. |
Accepted |
14 |
| Cirsium hydrophilum (Greene) Jeps. |
Accepted |
16 |
| Cirsium hydrophilum var. vaseyi (A. Gray) J. T. Howell |
Accepted |
16 |
| Cirsium hygrophilum Boiss. |
Accepted |
17 |
| Cirsium hypoleucum DC. |
Accepted |
17 |
| Cirsium inamoenum (Greene) D. J. Keil |
Accepted |
17 |
| Cirsium inundatum Makino |
Accepted |
51 |
| Cirsium iowense (Pammel) Fernald |
Accepted |
9 |
| Cirsium italicum (Savi) DC. |
Accepted |
34 |
| Cirsium japonicum (Thunb.) Fisch. ex DC. |
Accepted |
17 |
| Cirsium japonicum var. maackii (Maxim.) Matsum. |
Accepted |
17 |
| Cirsium jorullense (Kunth) Spreng. |
Accepted |
17 |
| Cirsium kagamontanum Nakai |
Accepted |
17 |
| Cirsium kamtschaticum Ledeb. ex DC. |
Accepted |
34 |
| Cirsium komarovii Schischk. |
Accepted |
17 |
| Cirsium lanceolatum (L.) Hill |
Accepted |
34 |
| Cirsium latifolium Lowe |
Accepted |
17 |
| Cirsium lecontei Torr. & A. Gray |
Accepted |
17 |
| Cirsium libanoticum DC. |
Accepted |
17 |
| Cirsium ligulare Boiss. |
Accepted |
17 |
| Cirsium lineare (Thunb.) S. Bip. |
Accepted |
14 |
| Cirsium longistylum R. J. Moore & Frankton |
Accepted |
17 |
| Cirsium lucens Kitam. |
Accepted |
17 |
| Cirsium magofukui Kitam. |
Accepted |
17 |
| Cirsium maritimum Makino |
Accepted |
17 |
| Cirsium matsumurae Nakai |
Accepted |
34 |
| Cirsium medium All. |
Accepted |
18 |
| Cirsium mexicanum DC. |
Accepted |
11 |
| Cirsium mirabile Kitam. |
Accepted |
34 |
| Cirsium mohavense (Greene) Petr. |
Accepted |
15 |
| Cirsium monspessulanum (L.) Hill |
Accepted |
17 |
| Cirsium monspessulanum subsp. ferox (Coss.) Talavera |
Accepted |
17 |
| Cirsium morii Hayata |
Accepted |
17 |
| Cirsium morinifolium Boiss. & Heldr. ex Boiss. & Heldr. |
Accepted |
17 |
| Cirsium muticum Michx. |
Accepted |
10 |
| Cirsium neomexicanum A. Gray |
Accepted |
15 |
| Cirsium nigriceps Standl. & Steyerm. |
Accepted |
18 |
| Cirsium nippoense Kadota |
Accepted |
34 |
| Cirsium nipponicum (Maxim.) Makino |
Accepted |
34 |
| Cirsium nivale (Kunth) S. Bip. |
Accepted |
17 |
| Cirsium nuttallii DC. |
Accepted |
13 |
| Cirsium obvallatum (M. Bieb.) M. Bieb. |
Accepted |
17 |
| Cirsium occidentalinipponense Kadota |
Accepted |
17 |
| Cirsium ochrocentrum A. Gray |
Accepted |
16 |
| Cirsium ochrocentrum var. martinii (Barlow-Irick) D. J. Keil |
Accepted |
16 |
| Cirsium odontolepis Boiss. ex DC. |
Accepted |
17 |
| Cirsium oleraceum (L.) Scop. |
Accepted |
17 |
| Cirsium oligophyllum (Franch. & Sav.) Matsum. |
Accepted |
17 |
| Cirsium oligophyllum var. nikkoense Kitam. |
Accepted |
17 |
| Cirsium osseticum (Adams) Petr. |
Accepted |
17 |
| Cirsium otayae Kitam. |
Accepted |
34 |
| Cirsium palustre (L.) Coss. ex Scop. |
Accepted |
17 |
| Cirsium pannonicum (L.) Link |
Accepted |
17 |
| Cirsium parryi (A. Gray) Petr. |
Accepted |
17 |
| Cirsium pascuarense (Kunth) Spreng. |
Accepted |
16 |
| Cirsium pectinellum A. Gray |
Accepted |
17 |
| Cirsium pendulum Fisch. ex DC. |
Accepted |
17 |
| Cirsium pitcheri (Torr.) Torr. & A. Gray |
Accepted |
17 |
| Cirsium pseudopersonata subsp. kusnezowianum (Sommier & Levier) Petr. |
Accepted |
17 |
| Cirsium pubigerum var. caniforme Petr. |
Accepted |
34 |
| Cirsium pulcherrimum (Rydb.) K. Schum. |
Accepted |
17 |
| Cirsium pumilum (Nutt.) Spreng. |
Accepted |
15 |
| Cirsium pumilum var. hillii (Canby) B. Boivin |
Accepted |
15 |
| Cirsium purpuratum (Maxim.) Matsum. |
Accepted |
17 |
| Cirsium pyramidale Bornm. |
Accepted |
17 |
| Cirsium pyrenaicum (Jacq.) All. |
Accepted |
17 |
| Cirsium quercetorum (A. Gray) Jeps. |
Accepted |
16 |
| Cirsium radians Benth. |
Accepted |
17 |
| Cirsium remotifolium (Hook.) DC. |
Accepted |
16 |
| Cirsium remotifolium var. rivulare Jeps. |
Accepted |
16 |
| Cirsium repandum Michx. |
Accepted |
15 |
| Cirsium rhaphilepis (Hemsl.) Petr. |
Accepted |
11 |
| Cirsium rhinoceros (H. Lév. & Vaniot) Nakai |
Accepted |
17 |
| Cirsium rhizocephalum C. A. Mey. |
Accepted |
17 |
| Cirsium rhothophilum S. F. Blake |
Accepted |
17 |
| Cirsium rigidum DC. |
Accepted |
17 |
| Cirsium rivulare (Jacq.) All. |
Accepted |
17 |
| Cirsium rosulatum Talavera & Valdés |
Accepted |
17 |
| Cirsium rydbergii Petr. |
Accepted |
17 |
| Cirsium scabrum (Poir.) Bonnet & Barratte |
Accepted |
17 |
| Cirsium scariosum (Poir.) Nutt. |
Accepted |
17 |
| Cirsium scariosum var. americanum (A. Gray) D. J. Keil |
Accepted |
17 |
| Cirsium scariosum var. citrinum (Petr.) D. J. Keil |
Accepted |
17 |
| Cirsium scariosum var. coloradense (Rydb.) D. J. Keil |
Accepted |
17 |
| Cirsium scariosum var. congdonii (R. J. Moore & Frankton) D. J. Keil |
Accepted |
17 |
| Cirsium schantarense Trautv. & C. A. Mey. |
Accepted |
17 |
| Cirsium senjoense Kitam. |
Accepted |
34 |
| Cirsium serratuloides (L.) Hill |
Accepted |
17 |
| Cirsium shidokimontanum Kadota |
Accepted |
34 |
| Cirsium shinanense Shimizu |
Accepted |
34 |
| Cirsium sieboldii Miq. |
Accepted |
17 |
| Cirsium simplex subsp. armenum (DC.) Petr. |
Accepted |
17 |
| Cirsium skutchii S. F. Blake |
Accepted |
17 |
| Cirsium sommieri Petr. |
Accepted |
17 |
| Cirsium spectabile DC. |
Accepted |
17 |
| Cirsium spicatum (Maxim.) Matsum. |
Accepted |
None |
| Cirsium spinosissimum (L.) Scop. |
Accepted |
17 |
| Cirsium steirolepis Petr. |
Accepted |
17 |
| Cirsium subcoriaceum (Less.) S. Bip. ex S. Bip. |
Accepted |
17 |
| Cirsium subniveum Rydb. |
Accepted |
17 |
| Cirsium subuliforme G. B. Ownbey |
Accepted |
17 |
| Cirsium suffultum (Maxim.) Matsum. |
Accepted |
34 |
| Cirsium suzukaense Kitam. |
Accepted |
17 |
| Cirsium tashiroi Kitam. |
Accepted |
17 |
| Cirsium tashiroi var. hidaense (Kitam.) Kadota |
Accepted |
17 |
| Cirsium tenue Kitam. |
Accepted |
17 |
| Cirsium tenuipedunculatum Kadota |
Accepted |
17 |
| Cirsium tenuisquamatum Kitam. |
Accepted |
17 |
| Cirsium texanum Buckley |
Accepted |
11 |
| Cirsium toyoshimae Koidz. |
Accepted |
17 |
| Cirsium trachylepis Boiss. |
Accepted |
17 |
| Cirsium tracyi (Rydb.) Petr. |
Accepted |
12 |
| Cirsium tricholoma Fisch. & C. A. Mey. |
Accepted |
17 |
| Cirsium tuberosum (L.) All. |
Accepted |
17 |
| Cirsium turkestanicum (Regel) Petr. |
Accepted |
17 |
| Cirsium tymphaeum Hausskn. |
Accepted |
16 |
| Cirsium ugoense Nakai |
Accepted |
17 |
| Cirsium umezawanum Kadota |
Accepted |
34 |
| Cirsium undulatum (Nutt.) Spreng. |
Accepted |
13 |
| Cirsium valentinum Porta |
Accepted |
17 |
| Cirsium velatum (S. Watson) Petr. |
Accepted |
16 |
| Cirsium virginianum (L.) Michx. |
Accepted |
14 |
| Cirsium vlassovianum Fisch. ex DC. |
Accepted |
14 |
| Cirsium vulgare (Savi) Ten. |
Accepted |
34 |
| Cirsium waldsteinii Rouy |
Accepted |
34 |
| Cirsium wallichii DC. |
Accepted |
17 |
| Cirsium welwitschii Coss. |
Accepted |
17 |
| Cirsium wheeleri (A. Gray) Petr. |
Accepted |
14 |
| Cirsium yatsu-alpicola Kadota & Y. Amano |
Accepted |
34 |
| Cirsium yezoense (Maxim.) Makino |
Accepted |
17 |
| Cirsium zawoense Kadota |
Accepted |
34 |
| Cirsium × okamotoi Kitam. |
Accepted |
17 |
| Cirsium acaule (L.) All. |
Unresolved |
17 |
| Cirsium arachnoideum Besser |
Unresolved |
17 |
| Cirsium arcense Scop. |
Unresolved |
17 |
| Cirsium ashinokuraense Kadota |
Unresolved |
34 |
| Cirsium borealinipponense Kitam. & Murata ex Kitam. |
Unresolved |
17 |
| Cirsium brevicaule Gand. |
Unresolved |
17 |
| Cirsium canum M. Bieb. |
Unresolved |
17 |
| Cirsium cymosum var. canovirens (Rydb.) D. J. Keil |
Unresolved |
17 |
| Cirsium cymosum var. cymosum |
Unresolved |
15 |
| Cirsium discolor Goller & Huter |
Unresolved |
10 |
| Cirsium eatonii var. eriocephalum (A. Gray) D. J. Keil |
Unresolved |
17 |
| Cirsium horiianum Kadota |
Unresolved |
17 |
| Cirsium horridulum (Torr. & A. Gray) Fernald |
Unresolved |
16 |
| Cirsium kosmelii Boiss. |
Unresolved |
17 |
| Cirsium maritimum Davidson & Moxley |
Unresolved |
17 |
| Cirsium nevadense Willk. |
Unresolved |
17 |
| Cirsium nipponicum var. incomptum (Maxim.) Kitam. ex Ohwi |
Unresolved |
34 |
| Cirsium nipponicum var. yoshinoi (Nakai) Kitam. ex Ohwi |
Unresolved |
17 |
| Cirsium obvallatum (M. Bieb.) Fisch. |
Unresolved |
17 |
| Cirsium occidentale var. californicum (A. Gray) D. J. Keil & C. E. Turner |
Unresolved |
15 |
| Cirsium occidentale var. candidissimum (Greene) J. F. Macbr. |
Unresolved |
30 |
| Cirsium occidentale var. venustum (Greene) Jeps. |
Unresolved |
15 |
| Cirsium rivulare Link |
Unresolved |
17 |
| Cirsium spinosissimum (Walter) B. L. Rob. & Fernald |
Unresolved |
17 |
| Cirsium subcoriaceum (Less.) Petr. |
Unresolved |
17 |
| Cirsium uzenense Kadota |
Unresolved |
17 |
| Cirsium vallis-demonis Lojac. |
Unresolved |
17 |
| Cirsium wallowense M. Peck |
Unresolved |
17 |
| Cirsium × huteri Hausm. ex Treuinf. |
Unresolved |
None |
| Cirsium segetum Bunge |
Synonym of Breea segeta (Bunge) Kitam. |
17 |
| Cirsium occidentale (Nutt.) Jeps. |
Synonym of Carduus occidentalis Nutt. |
15 |
| Cirsium lappaceum subsp. lappaceum |
Synonym of Carduus personata (L.) Jacq. |
17 |
| Cirsium acaule |
Synonym of Cirsium acaule (L.) A. A. Weber ex Wigg. |
17 |
| Cirsium acaule (L.) Scop. |
Synonym of Cirsium acaulon (L.) Scop. |
17 |
| Cirsium acaule (L.) Scop. |
Synonym of Cirsium acaulon (L.) Scop. |
17 |
| Cirsium acaule subsp. acaule |
Synonym of Cirsium acaulon (L.) Scop. |
17 |
| Cirsium acaule var. acaule |
Synonym of Cirsium acaulon (L.) Scop. |
17 |
| Cirsium acaulon subsp. gregarium (Boiss.) Talavera |
Synonym of Cirsium acaulon subsp. gregarium (DC.) Talavera |
17 |
| Cirsium acaulon subsp. gregarium None |
Synonym of Cirsium acaulon subsp. gregarium (DC.) Talavera |
17 |
| Cirsium gregarium Willk. |
Synonym of Cirsium acaulon subsp. gregarium (DC.) Talavera |
17 |
| Cirsium acrolepis (Petrak) G. B. Ownbey |
Synonym of Cirsium acrolepis (Petr.) G. B. Ownbey |
17 |
| Cirsium occidentale subsp. acrolepis Petr. |
Synonym of Cirsium acrolepis (Petr.) G. B. Ownbey |
17 |
| Cirsium affine T. 「. C. H. (. ). H. × . C. O. S. 」 |
Synonym of Cirsium affine Tausch |
None |
| Cirsium elodes M. Bieb. |
Synonym of Cirsium alatum (S. G. Gmel.) Bobrov |
17 |
| Cirsium rhabdotolepis var. rhabdotolepis |
Synonym of Cirsium alatum (S. G. Gmel.) Bobrov |
17 |
| Cirsium subinerme Fisch. & C. A. Mey. |
Synonym of Cirsium alatum (S. G. Gmel.) Bobrov |
17 |
| Cirsium alpicola |
Synonym of Cirsium alpicola Nakai |
51 |
| Cirsium inundatum subsp. alpicolum (Nakai) Kitam. |
Synonym of Cirsium alpicola Nakai |
51 |
| Cirsium montanum (Waldst. & Kit.) Spreng. |
Synonym of Cirsium alsophilum (Pollini) Soldano |
17 |
| Cirsium altissimum (L.) Spreng. |
Synonym of Cirsium altissimum (L.) Hill |
9 |
| Cirsium ambiguum A. [. C. H. (. ). H. × . C. R. A. ] |
Synonym of Cirsium ambiguum All. |
None |
| Cnicus argyracanthus (DC.) C. B. Clarke |
Synonym of Cirsium argyracanthum DC. |
17 |
| Cirsium arizonicum var. arizonicum |
Synonym of Cirsium arizonicum (A. Gray) Petr. |
16 |
| Cirsium nidulum (M. E. Jones) Petr. |
Synonym of Cirsium arizonicum (A. Gray) Petr. |
16 |
| Cirsium chuskaense R. J. Moore & Frankton |
Synonym of Cirsium arizonicum var. chellyense (R. J. Moore & Frankton) D. J. Keil |
17 |
| Cirsium rothrockii (A. Gray) Petr. |
Synonym of Cirsium arizonicum var. rothrockii (A. Gray) D. J. Keil |
15 |
| Cirsium arvense None |
Synonym of Cirsium arvense (L.) Scop. |
17 |
| Cirsium arvense f. albiflorum (E. L. Rand & Redfield) R. Hoffm. |
Synonym of Cirsium arvense (L.) Scop. |
17 |
| Cirsium arvense f. albiflorum (E. L. Rand & Redfield) R. Hoffm. |
Synonym of Cirsium arvense (L.) Scop. |
17 |
| Cirsium arvense var. arvense |
Synonym of Cirsium arvense (L.) Scop. |
17 |
| Cirsium arvense var. incanum (S. G. Gmelin) Ledeb. |
Synonym of Cirsium arvense (L.) Scop. |
17 |
| Cirsium arvense var. mite Wimm. & Grab. |
Synonym of Cirsium arvense (L.) Scop. |
17 |
| Cirsium arvense var. mite Wimm. & Grab. |
Synonym of Cirsium arvense (L.) Scop. |
17 |
| Cirsium arvense var. vestitum Wimm. & Grab. |
Synonym of Cirsium arvense (L.) Scop. |
17 |
| Cirsium incanum (S. G. Gmel.) Fisch. ex M. Bieb. |
Synonym of Cirsium arvense (L.) Scop. |
17 |
| Cirsium setosum (Willd.) Besser ex M. Bieb. |
Synonym of Cirsium arvense (L.) Scop. |
17 |
| Cirsium indefensum Kitam. |
Synonym of Cirsium bitchuense Nakai |
34 |
| Cirsium boninense |
Synonym of Cirsium boninense Koidz. |
17 |
| Cirsium confertissimum var. herbicolum Nakai |
Synonym of Cirsium buergeri Miq. |
34 |
| Cirsium carniolicum subsp. carniolicum |
Synonym of Cirsium carniolicum Scop. |
17 |
| Carduus carniolicus Pers. |
Synonym of Cirsium carniolicum subsp. rufescens (Ramond) P. Fourn. |
8 |
| Cirsium discolor Hort. ex Steud. |
Synonym of Cirsium ciliatum (Murray) Moench |
10 |
| Cirsium centaureae (Rydb.) K. Schum. |
Synonym of Cirsium clavatum var. americanum (A. Gray) D. J. Keil |
17 |
| Cirsium eatonii var. clokeyi (S. F. Blake) D. J. Keil |
Synonym of Cirsium clokeyi S. F. Blake |
17 |
| Cirsium confertissimum var. confertissimum |
Synonym of Cirsium confertissimum Nakai |
34 |
| Cirsium creticum subsp. creticum |
Synonym of Cirsium creticum (Lam.) d'Urv. |
17 |
| Cirsium canovirens (Rydb.) Petr. |
Synonym of Cirsium cymosum var. canovirens (Rydb.) D. J. Keil |
17 |
| Cirsium canovirens (Rydb.) Petr. |
Synonym of Cirsium cymosum var. canovirens (Rydb.) D. J. Keil |
17 |
| Cirsium cymosum (Greene) J. T. Howell |
Synonym of Cirsium cymosum var. cymosum |
15 |
| Chamaepeuce diacantha DC. |
Synonym of Cirsium diacanthum DC. |
16 |
| Cirsium dominii Kadota |
Synonym of Cirsium dominii M. Schulze |
34 |
| Cirsium douglasii var. douglasii |
Synonym of Cirsium douglasii DC. |
17 |
| Cirsium douglasii var. canescens (Petr.) J. T. Howell |
Synonym of Cirsium douglasii var. breweri (A. Gray) D. J. Keil & C. E. Turner |
15 |
| Cirsium scopulorum (Greene) Cockerell |
Synonym of Cirsium eatonii var. eriocephalum (A. Gray) D. J. Keil |
17 |
| Cirsium tweedyi (Rydb.) Petr. |
Synonym of Cirsium eatonii var. murdockii S. L. Welsh |
17 |
| Cirsium peckii L. F. Hend. |
Synonym of Cirsium eatonii var. peckii (L. F. Hend.) D. J. Keil |
16 |
| Cirsium grumosum (Hoffmanns. & Link) Willk. & Lange |
Synonym of Cirsium engelmannii Rydb. |
10 |
| Cirsium terrae-nigrae Shinners |
Synonym of Cirsium engelmannii Rydb. |
10 |
| Cnicus eriophorus C. B. Clarke |
Synonym of Cirsium eriophoroides (Hook.) Petr. |
17 |
| Cirsium eriophorum subsp. britannicum Petr. |
Synonym of Cirsium eriophorum (L.) Scop. |
17 |
| Cirsium eriophorum subsp. velenovskyi (Vandas) Petr. |
Synonym of Cirsium eriophorum (L.) Scop. |
17 |
| Cirsium eriophorum subsp. vulgare Petr. |
Synonym of Cirsium eriophorum (L.) Scop. |
17 |
| Cirsium erucagineum D. [. C. O. S. × . C. R. A. ] |
Synonym of Cirsium erucagineum DC. |
None |
| Cirsium grumosum (Hoffmanns. & Link) Nyman |
Synonym of Cirsium filipendulum Lange |
17 |
| Cirsium flodmanii (Rydb.) Arth. |
Synonym of Cirsium flodmanii (Rydb.) Arthur |
11 |
| Cirsium fontinale var. fontinale |
Synonym of Cirsium fontinale (Greene) Jeps. |
17 |
| Cirsium horridulum subsp. horridulum |
Synonym of Cirsium horridulum Michx. |
16 |
| Cirsium horridulum var. horridulum |
Synonym of Cirsium horridulum Michx. |
16 |
| Cirsium vittatum (Small) Small |
Synonym of Cirsium horridulum Michx. |
16 |
| Cirsium smallii Britton |
Synonym of Cirsium horridulum var. vittatum (Small) R. W. Long |
16 |
| Cirsium hybridum W. D. J. Koch ex D. [. C. O. S. × . P. (. ). S. ] |
Synonym of Cirsium hybridum Koch ex DC. |
None |
| Cirsium hydrophilum var. hydrophilum |
Synonym of Cirsium hydrophilum (Greene) Jeps. |
16 |
| Cirsium candolleanum Nägeli |
Synonym of Cirsium hypoleucum DC. |
17 |
| Cirsium inamoenum var. inamoenum |
Synonym of Cirsium inamoenum (Greene) D. J. Keil |
17 |
| Cnicus griffithii Hook. |
Synonym of Cirsium interpositum Petr. |
17 |
| Cirsium maackii var. intermedium (Maxim.) Nakai |
Synonym of Cirsium japonicum (Thunb.) Fisch. ex DC. |
17 |
| Cirsium maackii Maxim. |
Synonym of Cirsium japonicum var. maackii (Maxim.) Matsum. |
17 |
| Cirsium jorullense subsp. enjorullense Petr. |
Synonym of Cirsium jorullense (Kunth) Spreng. |
17 |
| Cirsium jorullense subsp. lanosum Petr. |
Synonym of Cirsium jorullense (Kunth) Spreng. |
17 |
| Cirsium munitum Fisch. |
Synonym of Cirsium kosmelii (Adams) Fisch. ex Hohen. |
16 |
| Cirsium lecontei T. ＆. A. Gray |
Synonym of Cirsium lecontei Torr. & A. Gray |
17 |
| Cnicus arvensis Hook. |
Synonym of Cirsium lecontei Torr. & A. Gray |
17 |
| Cirsium lappaceum (M. Bieb.) Fisch. |
Synonym of Cirsium leucocephalum subsp. penicillatum (K. Koch) Greuter |
34 |
| Cirsium lineare |
Synonym of Cirsium lineare (Thunb.) S. Bip. |
14 |
| Cnicus argyracanthus F. -Vill. |
Synonym of Cirsium luzoniense Merr. |
17 |
| Cirsium macrobotrys (C. Koch) Boiss. |
Synonym of Cirsium macrobotrys (K. Koch) Boiss. |
17 |
| Cirsium matsumurae var. matsumurae |
Synonym of Cirsium matsumurae Nakai |
34 |
| Cirsium mexicanum var. mexicanum |
Synonym of Cirsium mexicanum DC. |
11 |
| Cirsium monspessulanum |
Synonym of Cirsium monspessulanum (L.) Hill |
17 |
| Cirsium monspessulanum subsp. monspessulanum |
Synonym of Cirsium monspessulanum (L.) Hill |
17 |
| Cirsium utahense Petr. |
Synonym of Cirsium neomexicanum A. Gray |
15 |
| Cirsium tanakae (Franch. & Sav.) Matsum. |
Synonym of Cirsium nipponicum var. incomptum (Maxim.) Kadota |
17 |
| Cirsium yoshinoi Nakai |
Synonym of Cirsium nipponicum var. yoshinoi (Nakai) Kitam. ex Ohwi |
17 |
| Cirsium californicum A. Gray |
Synonym of Cirsium occidentale var. californicum (A. Gray) D. J. Keil & C. E. Turner |
15 |
| Cirsium californicum A. Gray |
Synonym of Cirsium occidentale var. californicum (A. Gray) D. J. Keil & C. E. Turner |
15 |
| Cirsium pastoris J. T. Howell |
Synonym of Cirsium occidentale var. candidissimum (Greene) J. F. Macbr. |
30 |
| Cirsium proteanum J. T. Howell |
Synonym of Cirsium occidentale var. venustum (Greene) Jeps. |
15 |
| Cirsium ochrocentrum var. ochrocentrum |
Synonym of Cirsium ochrocentrum A. Gray |
16 |
| Cirsium palustre |
Synonym of Cirsium palustre (L.) Coss. ex Scop. |
17 |
| Cirsium palustre (L.) Scop. |
Synonym of Cirsium palustre (L.) Coss. ex Scop. |
17 |
| Cirsium pallidum (Wooton & Standl.) Wooton & Standl. |
Synonym of Cirsium parryi (A. Gray) Petr. |
17 |
| Cirsium pseudopersonata subsp. pseudopersonata |
Synonym of Cirsium pseudopersonata Boiss. & Balansa ex Boiss. |
17 |
| Cirsium pubigerum var. glomeratum (Freyn & Sint.) P. H. Davis & Parris |
Synonym of Cirsium pubigerum (Desf.) DC. |
34 |
| Cirsium pulcherrimum var. pulcherrimum |
Synonym of Cirsium pulcherrimum (Rydb.) K. Schum. |
17 |
| Cirsium pumilum subsp. pumilum |
Synonym of Cirsium pumilum (Nutt.) Spreng. |
15 |
| Cirsium pumilum var. pumilum |
Synonym of Cirsium pumilum (Nutt.) Spreng. |
15 |
| Cirsium hillii (Canby) Fernald |
Synonym of Cirsium pumilum var. hillii (Canby) B. Boivin |
15 |
| Cirsium pumilum subsp. hillii (Canby) R. J. Moore & Frankton |
Synonym of Cirsium pumilum var. hillii (Canby) B. Boivin |
15 |
| Cirsium purpuratum None |
Synonym of Cirsium purpuratum (Maxim.) Matsum. |
17 |
| Cirsium flavispina Boiss. ex DC. |
Synonym of Cirsium pyrenaicum (Jacq.) All. |
17 |
| Cirsium flavispina var. flavispina |
Synonym of Cirsium pyrenaicum (Jacq.) All. |
17 |
| Cirsium flavispina var. longespinosum Kunze |
Synonym of Cirsium pyrenaicum (Jacq.) All. |
17 |
| Cirsium pyrenaicum var. longispinosum (Kunze) Talavera & Valdes |
Synonym of Cirsium pyrenaicum var. longispinosum (Kunze) Talavera & Valdés |
17 |
| Cirsium pyrenaicum var. longispinosum None |
Synonym of Cirsium pyrenaicum var. longispinosum (Kunze) Talavera & Valdés |
17 |
| Cirsium radians B. × . C. S. S. F. Blake |
Synonym of Cirsium radians Benth. |
17 |
| Cirsium acanthodontum S. F. Blake |
Synonym of Cirsium remotifolium var. rivulare Jeps. |
16 |
| Cirsium rhizocephalum subsp. rhizocephalum |
Synonym of Cirsium rhizocephalum C. A. Mey. |
17 |
| Cirsium rhizocephalum subsp. sinuatum (Boiss.) P. H. Davis & Parris |
Synonym of Cirsium rhizocephalum C. A. Mey. |
17 |
| Cirsium rigens (D. W. [. C. A. (L.) S. × . O. S. ] |
Synonym of Cirsium rigens (Aiton) Wallr. |
None |
| Cirsium minganense Vict. |
Synonym of Cirsium scariosum (Poir.) Nutt. |
17 |
| Cirsium scariosum var. scariosum |
Synonym of Cirsium scariosum (Poir.) Nutt. |
17 |
| Cirsium acaulescens (Rydb.) K. Schum. |
Synonym of Cirsium scariosum var. americanum (A. Gray) D. J. Keil |
17 |
| Cirsium tioganum (Congdon) Petr. |
Synonym of Cirsium scariosum var. americanum (A. Gray) D. J. Keil |
17 |
| Cirsium loncholepis Petr. |
Synonym of Cirsium scariosum var. citrinum (Petr.) D. J. Keil |
17 |
| Cirsium coloradense (Rydb.) Cockerell |
Synonym of Cirsium scariosum var. coloradense (Rydb.) D. J. Keil |
17 |
| Cirsium congdonii R. J. Moore & Frankton |
Synonym of Cirsium scariosum var. congdonii (R. J. Moore & Frankton) D. J. Keil |
17 |
| Cirsium senjoense None |
Synonym of Cirsium senjoense Kitam. |
34 |
| Cirsium congestum Fisch. & C. A. Mey. ex DC. |
Synonym of Cirsium sorocephalum Fisch. & C. A. Mey. |
17 |
| Cirsium spinosissimum subsp. spinosissimum |
Synonym of Cirsium spinosissimum (L.) Scop. |
17 |
| Cirsium spinosissimum subsp. bertolonii (Spreng.) K. Werner |
Synonym of Cirsium spinosissimum subsp. berthelonii |
17 |
| Cirsium strigosum (M. Bieb.) M. Bieb. |
Synonym of Cirsium strigosum (M. Bieb.) Fisch. |
17 |
| Cirsium subalpinum G. [. C. P. (. ). S. × . C. R. A. ] |
Synonym of Cirsium subalpinum Gaudin. |
None |
| Cirsium syriacus (L.) Gaertn. |
Synonym of Cirsium syriacus Gaertn. |
17 |
| Cirsium syriacus (L.) Gaertner |
Synonym of Cirsium syriacus Gaertn. |
17 |
| Cirsium syriacus None |
Synonym of Cirsium syriacus Gaertn. |
17 |
| Cirsium tappeineri (R. ). T. (. E. S. × . C. H. (. ). Hill.) |
Synonym of Cirsium tappeineri Treuinf. |
None |
| Cirsium tataricum (L. ). A. [. C. C. (L.) M. B. × . C. O. S. ] |
Synonym of Cirsium tataricum DC. |
None |
| Carduus medius Steud. |
Synonym of Cirsium tuberosum (L.) All. |
17 |
| Cirsium bulbosum (Lam.) DC. |
Synonym of Cirsium tuberosum (L.) All. |
17 |
| Cirsium undulatum var. undulatum |
Synonym of Cirsium undulatum (Nutt.) Spreng. |
13 |
| Cirsium uzenense K. ＆. M. Saito |
Synonym of Cirsium uzenense Kadota |
17 |
| Carduus virginianus L. |
Synonym of Cirsium virginianum (L.) Michx. |
14 |
| Cirsium lanceolatum (L.) Scop. |
Synonym of Cirsium vulgare (Savi) Ten. |
34 |
| Cirsium linkii Nyman |
Synonym of Cirsium vulgare (Savi) Ten. |
34 |
| Cirsium longespinosum Tod. ex Nyman |
Synonym of Cirsium vulgare (Savi) Ten. |
34 |
| Cirsium vulgare subsp. silvaticum (Tausch) Dostál |
Synonym of Cirsium vulgare (Savi) Ten. |
34 |
| Cirsium waldsteinii Rowy |
Synonym of Cirsium waldsteinii Rouy |
34 |
| Cnicus wallichii (DC.) C. B. Clarke |
Synonym of Cirsium wallichii DC. |
17 |
| Cnicus wallichii Hook. |
Synonym of Cirsium wallichii DC. |
17 |
| Cirsium wankelii R. [. C. H. (. ). H. × . C. P. (. ). S. ] |
Synonym of Cirsium wankelii Reichardt |
None |
| Cirsium wimmeri C. [. C. C. (. ). M. B. × . C. P. (. ). S. ] |
Synonym of Cirsium wimmeri Čelak. |
None |
| Cirsium acarna (L.) Moench |
Synonym of Picnomon acarna (L.) Cass. |
16 |
| Cirsium casabonae (L.) DC. |
Synonym of Ptilostemon casabonae (L.) Greuter |
16 |