Every accepted species in the genus is listed. A name links to its page when we hold at least three commercially licensed photographs of it. Where we do not, the row shows how many we actually found, which is usually none.
| Species | Authority | Usable photographs | Page |
|---|---|---|---|
| Cirsium vulgare | (Savi) Ten. | 11,911 | documented |
| Cirsium arvense | (L.) Scop. | 9,998 | documented |
| Cirsium palustre | (L.) Scop. | 1,935 | documented |
| Cirsium horridulum | Michx. | 1,485 | documented |
| Cirsium oleraceum | (L.) Scop. | 967 | documented |
| Cirsium occidentale | (Nutt.) Jeps. | 827 | documented |
| Cirsium texanum | Buckley | 701 | documented |
| Cirsium discolor | (Muhl. ex Willd.) Spreng. | 673 | documented |
| Cirsium heterophyllum | (L.) Hill | 630 | documented |
| Cirsium undulatum | (Nutt.) Spreng. | 587 | documented |
| Cirsium muticum | Michx. | 375 | documented |
| Cirsium altissimum | (L.) Hill | 302 | documented |
| Cirsium nuttallii | DC. | 231 | documented |
| Cirsium esculentum | (Siev.) C.A.Mey. | 211 | documented |
| Cirsium neomexicanum | A.Gray | 211 | documented |
| Cirsium arizonicum | (A.Gray) Petr. | 201 | documented |
| Cirsium edule | Nutt. | 198 | documented |
| Cirsium scariosum | Nutt. | 198 | documented |
| Cirsium erisithales | (Jacq.) Scop. | 195 | documented |
| Cirsium eatonii | (A.Gray) B.L.Rob. | 183 | documented |
| Cirsium spinosissimum | (L.) Scop. | 172 | documented |
| Cirsium brevistylum | Cronquist | 162 | documented |
| Cirsium rivulare | (Jacq.) All. | 123 | documented |
| Cirsium ochrocentrum | A.Gray | 122 | documented |
| Cirsium andersonii | Petr. | 106 | documented |
| Cirsium hookerianum | Nutt. | 105 | documented |
| Cirsium pitcheri | Torr. & A.Gray | 102 | documented |
| Cirsium flodmanii | Arthur | 99 | documented |
| Cirsium parryi | Petr. | 93 | documented |
| Cirsium mohavense | (Greene) Petr. | 91 | documented |
| Cirsium subcoriaceum | Sch.Bip. | 91 | documented |
| Cirsium quercetorum | Jeps. | 84 | documented |
| Cirsium repandum | Michx. | 71 | documented |
| Cirsium serrulatum | (M.Bieb.) Fisch. | 67 | documented |
| Cirsium carolinianum | (Walter) Fernald & B.G.Schub. | 60 | documented |
| Cirsium engelmannii | Rydb. | 53 | documented |
| Cirsium lecontei | Torr. & A.Gray | 53 | documented |
| Cirsium pumilum | Spreng. | 53 | documented |
| Cirsium ehrenbergii | Sch.Bip. | 52 | documented |
| Cirsium pendulum | Fisch. ex DC. | 52 | documented |
| Cirsium vinaceum | (Wooton & Standl.) Wooton & Standl. | 51 | documented |
| Cirsium japonicum | DC. | 48 | documented |
| Cirsium dissectum | (L.) Hill | 45 | documented |
| Cirsium pannonicum | (L.f.) Link | 44 | documented |
| Cirsium serratuloides | (L.) Hill | 44 | documented |
| Cirsium drummondii | Torr. & A.Gray | 43 | documented |
| Cirsium remotifolium | DC. | 43 | documented |
| Cirsium mexicanum | DC. | 40 | documented |
| Cirsium helenioides | (L.) Hill | 39 | documented |
| Cirsium arisanense | Kitam. | 37 | documented |
| Cirsium wheeleri | Petr. | 35 | documented |
| Cirsium rhaphilepis | Petr. | 32 | documented |
| Cirsium suzukii | Kitam. | 32 | documented |
| Cirsium funkiae | Ackerf. | 29 | documented |
| Cirsium alsophilum | (Pollini) Soldano | 28 | documented |
| Cirsium obvallatum | (M.Bieb.) M.Bieb. | 28 | documented |
| Cirsium obvallatum | (M.Bieb.) Fisch. | 28 | documented |
| Cirsium monspessulanum | Hill. | 26 | documented |
| Cirsium tuberosum | (L.) All. | 25 | documented |
| Cirsium brevicaule | A.Gray | 24 | documented |
| Cirsium canescens | Nutt. | 24 | documented |
| Cirsium filipendulum | Lange | 24 | documented |
| Cirsium cymosum | (Greene) J.T.Howell | 21 | documented |
| Cirsium rhothophilum | S.F.Blake | 21 | documented |
| Cirsium nivale | Sch.Bip. | 20 | documented |
| Cirsium zamoranense | Rzed. | 20 | documented |
| Cirsium vlassovianum | Fisch. ex DC. | 18 | documented |
| Cirsium pinetorum | Greenm. | 16 | documented |
| Cirsium purpuratum | Matsum. | 16 | documented |
| Cirsium douglasii | DC. | 14 | documented |
| Cirsium lineare | (Thunb.) Sch.Bip. | 14 | documented |
| Cirsium ciliatum | (Murray) Moench | 13 | documented |
| Cirsium kamtschaticum | Ledeb. ex DC. | 13 | documented |
| Cirsium oligophyllum | Matsum. | 12 | documented |
| Cirsium oligophyllum | (Franch. & Sav.) Matsum. | 12 | documented |
| Cirsium pringlei | Petr. | 12 | documented |
| Cirsium andrewsii | Jeps. | 11 | documented |
| Cirsium carniolicum | Scop. | 11 | documented |
| Cirsium chlorocomos | Sommier & Levier | 11 | documented |
| Cirsium clokeyi | S.F.Blake | 11 | documented |
| Cirsium bicentenariale | Rzed. | 10 | documented |
| Cirsium coahuilense | Ownbey & Pinkava | 10 | documented |
| Cirsium echinus | (M.Bieb.) Hand.-Mazz. | 10 | documented |
| Cirsium foliosum | DC. | 10 | documented |
| Cirsium virginianum | Michx. | 10 | documented |
| Cirsium waldsteinii | Rouy | 10 | documented |
| Cirsium conspicuum | Sch.Bip. | 9 | documented |
| Cirsium ferum | Kitam. | 9 | documented |
| Cirsium griseum | H.Lév. | 9 | documented |
| Cirsium simplex | C.A.Mey. | 9 | documented |
| Cirsium simplex | Hornem. | 9 | documented |
| Cirsium ukranicum | Besser ex DC. | 9 | documented |
| Cirsium anartiolepis | Petr. | 7 | documented |
| Cirsium ligulare | Boiss. | 6 | documented |
| Cirsium pugnax | Sommier & Levier | 6 | documented |
| Cirsium schantarense | Trautv. & C.A.Mey. | 6 | documented |
| Cirsium turneri | Warnock | 6 | documented |
| Cirsium cephalotes | Boiss. | 5 | documented |
| Cirsium fontinale | Jeps. | 5 | documented |
| Cirsium maritimum | Makino | 5 | documented |
| Cirsium oaxacanum | G.L.Nesom | 5 | documented |
| Cirsium acrolepis | (Petr.) G.B.Ownbey | 4 | documented |
| Cirsium brachycephalum | Juratzka | 4 | documented |
| Cirsium clavatum | (M.E.Jones) Petr. | 4 | documented |
| Cirsium morii | Hayata | 4 | documented |
| Cirsium skutchii | S.F.Blake | 4 | documented |
| Cirsium verutum | (D.Don) Spreng. | 4 | documented |
| Cirsium bertolonii | Spreng. | 3 | documented |
| Cirsium creticum | (Lam.) d'Urv. | 3 | documented |
| Cirsium inamoenum | (Greene) D.J.Keil | 3 | documented |
| Cirsium italicum | DC. | 3 | documented |
| Cirsium pubigerum | DC. | 3 | documented |
| Cirsium wallichii | DC. | 3 | documented |
| Cirsium appendiculatum | Griseb. | 2 | below the evidence gate |
| Cirsium chokaiense | Kitam. | 2 | below the evidence gate |
| Cirsium culebraense | Ackerf. | 2 | below the evidence gate |
| Cirsium lomatolepis | Petr. | 2 | below the evidence gate |
| Cirsium pulcherrimum | (Rydb.) K.Schum. | 2 | below the evidence gate |
| Cirsium semenowii | Regel | 2 | below the evidence gate |
| Cirsium turkestanicum | Petr. | 2 | below the evidence gate |
| Cirsium alatum | (S.Gmel.) Bobrov | 1 | below the evidence gate |
| Cirsium brevifolium | Nutt. | 1 | below the evidence gate |
| Cirsium calcareum | (M.E.Jones) Wooton & Standl. | 1 | below the evidence gate |
| Cirsium dealbatum | M.Bieb. | 1 | below the evidence gate |
| Cirsium interpositum | Petr. | 1 | below the evidence gate |
| Cirsium jaliscoense | G.L.Nesom | 1 | below the evidence gate |
| Cirsium laniflorum | (M.Bieb.) Fisch. | 1 | below the evidence gate |
| Cirsium novoleonense | G.L.Nesom & García-Mor. | 1 | below the evidence gate |
| Cirsium sychnosanthum | Petr. | 1 | below the evidence gate |
| Cirsium tracyi | (Rydb.) Petr. | 1 | below the evidence gate |
| Cirsium wrightii | A.Gray | 1 | below the evidence gate |
| Cirsium × canalense | Petr. | 0 | below the evidence gate |
| Cirsium × ciliatiforme | Petr. | 0 | below the evidence gate |
| Cirsium × connexum | Kitam. | 0 | below the evidence gate |
| Cirsium × fontqueri | Romo | 0 | below the evidence gate |
| Cirsium × ispolatovii | Iljin ex Tzvelev | 0 | below the evidence gate |
| Cirsium × linkianum | M.Loehr | 0 | below the evidence gate |
| Cirsium × mazanderanicum | Petr. | 0 | below the evidence gate |
| Cirsium × okamotoi | Kitam. | 0 | below the evidence gate |
| Cirsium × perplexissimum | Kitam. | 0 | below the evidence gate |
| Cirsium × reichardtii | Jurotzka | 0 | below the evidence gate |
| Cirsium × reichenbachianum | M.Loehr | 0 | below the evidence gate |
| Cirsium × sugimotoi | Kitam. | 0 | below the evidence gate |
| Cirsium × wankelii | Reichardt | 0 | below the evidence gate |
| Cirsium × xenogenum | Petr. | 0 | below the evidence gate |
| Cirsium abukumense | Kadota | 0 | below the evidence gate |
| Cirsium acantholepis | Petr. | 0 | below the evidence gate |
| Cirsium acaule | (L.) Scop. | 0 | below the evidence gate |
| Cirsium acaule | (L.) A.A.Weber ex Wigg. | 0 | below the evidence gate |
| Cirsium aciculare | Tausch | 0 | below the evidence gate |
| Cirsium adjaricum | Sommier & Levier | 0 | below the evidence gate |
| Cirsium aduncum | Fisch. & C.A.Mey. ex DC. | 0 | below the evidence gate |
| Cirsium affine | Tausch | 0 | below the evidence gate |
| Cirsium aggregatum | Ledeb. | 0 | below the evidence gate |
| Cirsium aidzuense | Nakai ex Kitam. | 0 | below the evidence gate |
| Cirsium aitchisonii | Boiss. | 0 | below the evidence gate |
| Cirsium albertii | Regel & Schmalh. | 0 | below the evidence gate |
| Cirsium albescens | Kitam. | 0 | below the evidence gate |
| Cirsium albidum | Velen. | 0 | below the evidence gate |
| Cirsium albowianum | Sommier & Levier | 0 | below the evidence gate |
| Cirsium alpestre | Naegeli | 0 | below the evidence gate |
| Cirsium alpicola | Nakai | 0 | below the evidence gate |
| Cirsium alpis-lunae | Brilli-Catt. & L.Gubellini | 0 | below the evidence gate |
| Cirsium amani | Post | 0 | below the evidence gate |
| Cirsium amplexifolium | (Nakai) Kitam. | 0 | below the evidence gate |
| Cirsium aomorense | Nakai | 0 | below the evidence gate |
| Cirsium apoense | Nakai | 0 | below the evidence gate |
| Cirsium arachnoideum | (M.Bieb.) M.Bieb. | 0 | below the evidence gate |
| Cirsium arachnoideum | Besser | 0 | below the evidence gate |
| Cirsium argillosum | Petrov ex Kharadze | 0 | below the evidence gate |
| Cirsium argyracanthum | DC. | 0 | below the evidence gate |
| Cirsium aridum | Dorn | 0 | below the evidence gate |
| Cirsium aristatum | DC. | 0 | below the evidence gate |
| Cirsium ashiuense | Shun.Yokoy. & T.Shimizu | 0 | below the evidence gate |
| Cirsium aspinellum | Soják | 0 | below the evidence gate |
| Cirsium aytatchii | H.Duman & R.R.Mill | 0 | below the evidence gate |
| Cirsium babanum | Koidz. | 0 | below the evidence gate |
| Cirsium badakhschanicum | Kharadze | 0 | below the evidence gate |
| Cirsium balkharicum | Kharadze | 0 | below the evidence gate |
| Cirsium barnebyi | S.L.Welsh & Neese | 0 | below the evidence gate |
| Cirsium baytopae | P.H.Davis & Parris | 0 | below the evidence gate |
| Cirsium belingschanicum | Petr. | 0 | below the evidence gate |
| Cirsium bipontinum | F.W.Schultz | 0 | below the evidence gate |
| Cirsium bitchuense | Nakai | 0 | below the evidence gate |
| Cirsium bolocephalum | Petr. | 0 | below the evidence gate |
| Cirsium boluense | P.H.Davis & Parris | 0 | below the evidence gate |
| Cirsium boninense | Koidz. | 0 | below the evidence gate |
| Cirsium borealinipponense | Kitam. | 0 | below the evidence gate |
| Cirsium bornmuelleri | Sint. ex Bornm. | 0 | below the evidence gate |
| Cirsium botryodes | Petr. | 0 | below the evidence gate |
| Cirsium boujartii | (Piller & Mitterp.) Sch.Bip. | 0 | below the evidence gate |
| Cirsium bourgaeanum | Willk. | 0 | below the evidence gate |
| Cirsium bracteiferum | C.Shih | 0 | below the evidence gate |
| Cirsium bracteosum | DC. | 0 | below the evidence gate |
| Cirsium braun-blanquetianum | Lawalrée | 0 | below the evidence gate |
| Cirsium brevipapposum | Tschern. | 0 | below the evidence gate |
| Cirsium buchwaldii | O.Hoffm. | 0 | below the evidence gate |
| Cirsium buergeri | Miq. | 0 | below the evidence gate |
| Cirsium bulgaricum | DC. | 0 | below the evidence gate |
| Cirsium buschianum | Kharadze | 0 | below the evidence gate |
| Cirsium byzantinum | Steud. | 0 | below the evidence gate |
| Cirsium candelabrum | Griseb. | 0 | below the evidence gate |
| Cirsium caput-medusae | Sommier & Levier | 0 | below the evidence gate |
| Cirsium cassium | P.H.Davis & Parris | 0 | below the evidence gate |
| Cirsium caucasicum | (Adams) Petr. | 0 | below the evidence gate |
| Cirsium cernuum | Lag. | 0 | below the evidence gate |
| Cirsium chanroenicum | (Nakai) Nakai | 0 | below the evidence gate |
| Cirsium charkeviczii | Barkalov | 0 | below the evidence gate |
| Cirsium chihuahuense | G.L.Nesom | 0 | below the evidence gate |
| Cirsium chikushiense | Koidz. | 0 | below the evidence gate |
| Cirsium chium | (Jacq.) Boiss. | 0 | below the evidence gate |
| Cirsium chlorolepis | Petr. | 0 | below the evidence gate |
| Cirsium chrysacanthum | (Ball) Jahand. | 0 | below the evidence gate |
| Cirsium chrysolepis | C.Shih | 0 | below the evidence gate |
| Cirsium cilicicum | P.H.Davis & Parris | 0 | below the evidence gate |
| Cirsium ciliolatum | (L.F.Hend.) J.T.Howell | 0 | below the evidence gate |
| Cirsium confertissimum | Nakai | 0 | below the evidence gate |
| Cirsium congestissimum | Kitam. | 0 | below the evidence gate |
| Cirsium consociatum | S.F.Blake | 0 | below the evidence gate |
| Cirsium coreanum | Nakai | 0 | below the evidence gate |
| Cirsium coryletorum | Komarov | 0 | below the evidence gate |
| Cirsium crassicaule | Jeps. | 0 | below the evidence gate |
| Cirsium czerkessicum | Kharadze | 0 | below the evidence gate |
| Cirsium daghestanicum | Kharadze | 0 | below the evidence gate |
| Cirsium darwasicum | Iljin | 0 | below the evidence gate |
| Cirsium davisianum | Kit Tan & Sorger | 0 | below the evidence gate |
| Cirsium decussatum | Janka | 0 | below the evidence gate |
| Cirsium dender | Friis | 0 | below the evidence gate |
| Cirsium diacanthum | DC. | 0 | below the evidence gate |
| Cirsium dipsacolepis | Matsum. | 0 | below the evidence gate |
| Cirsium dirmilense | R.M.Burton | 0 | below the evidence gate |
| Cirsium ducellieri | Maire | 0 | below the evidence gate |
| Cirsium durangense | (Greenm.) G.B.Ownbey | 0 | below the evidence gate |
| Cirsium dyris | Jahand. & Maire | 0 | below the evidence gate |
| Cirsium echinatum | DC. | 0 | below the evidence gate |
| Cirsium eliasianum | Kit Tan & Sorger | 0 | below the evidence gate |
| Cirsium ellenbergii | Bornm. | 0 | below the evidence gate |
| Cirsium englerianum | O.Hoffm. | 0 | below the evidence gate |
| Cirsium epiroticum | Petr. | 0 | below the evidence gate |
| Cirsium eriophilus | K.Schum. | 0 | below the evidence gate |
| Cirsium eriophoroides | Petr. | 0 | below the evidence gate |
| Cirsium eriophoroideum | H.Lév. | 0 | below the evidence gate |
| Cirsium eriophorum | Scop. | 0 | below the evidence gate |
| Cirsium erucagineum | DC. | 0 | below the evidence gate |
| Cirsium erythrolepis | K.Koch | 0 | below the evidence gate |
| Cirsium euxinum | Kharadze | 0 | below the evidence gate |
| Cirsium excelsius | Petr. | 0 | below the evidence gate |
| Cirsium falconeri | (Hook.f.) Petr. | 0 | below the evidence gate |
| Cirsium fangii | Petr. | 0 | below the evidence gate |
| Cirsium fanjingshanense | C.Shih | 0 | below the evidence gate |
| Cirsium fargesii | (Franch.) Diels | 0 | below the evidence gate |
| Cirsium faucium | Petr. | 0 | below the evidence gate |
| Cirsium fauriei | Nakai | 0 | below the evidence gate |
| Cirsium ferox | (L.) DC. | 0 | below the evidence gate |
| Cirsium flavispinum | Boiss. | 0 | below the evidence gate |
| Cirsium flavisquamatum | Kitam. | 0 | below the evidence gate |
| Cirsium fominii | Petr. | 0 | below the evidence gate |
| Cirsium funagataense | Kadota | 0 | below the evidence gate |
| Cirsium furiens | Griseb. & Schenk | 0 | below the evidence gate |
| Cirsium furusei | Kitam. | 0 | below the evidence gate |
| Cirsium fuscotrichum | Chang | 0 | below the evidence gate |
| Cirsium fusenense | Nakai | 0 | below the evidence gate |
| Cirsium gaditanum | Talavera & Valdés | 0 | below the evidence gate |
| Cirsium gadukense | Petr. | 0 | below the evidence gate |
| Cirsium gagnidzei | Kharadze | 0 | below the evidence gate |
| Cirsium ganjuense | Kitam. | 0 | below the evidence gate |
| Cirsium giraudiasii | Sennen & Pau | 0 | below the evidence gate |
| Cirsium glaberrimum | (Petr.) Petr. | 0 | below the evidence gate |
| Cirsium glabratum | Kitam. | 0 | below the evidence gate |
| Cirsium glabrifolium | O.Fedtsch. & B.Fedtsch. | 0 | below the evidence gate |
| Cirsium glabrum | DC. | 0 | below the evidence gate |
| Cirsium grahamii | A.Gray | 0 | below the evidence gate |
| Cirsium grandirosuliferum | Kadota | 0 | below the evidence gate |
| Cirsium gratiosum | Kitam. | 0 | below the evidence gate |
| Cirsium grayanum | (Maxim.) Nakai | 0 | below the evidence gate |
| Cirsium grecescui | Rouy | 0 | below the evidence gate |
| Cirsium greenei | Petr. | 0 | below the evidence gate |
| Cirsium griffithii | Boiss. | 0 | below the evidence gate |
| Cirsium grossheimii | Petr. | 0 | below the evidence gate |
| Cirsium guatemalense | S.F.Blake | 0 | below the evidence gate |
| Cirsium gyojanum | Kitam. | 0 | below the evidence gate |
| Cirsium hachijoense | Nakai | 0 | below the evidence gate |
| Cirsium hachimantaiense | Kadota | 0 | below the evidence gate |
| Cirsium hakkaricum | P.H.Davis & Parris | 0 | below the evidence gate |
| Cirsium handelii | Petr. | 0 | below the evidence gate |
| Cirsium happoense | Kadota | 0 | below the evidence gate |
| Cirsium hasunumae | Kadota | 0 | below the evidence gate |
| Cirsium haussknechtii | Boiss. | 0 | below the evidence gate |
| Cirsium hawaiensis | H.Lév. | 0 | below the evidence gate |
| Cirsium heiianum | Koidz. | 0 | below the evidence gate |
| Cirsium heldreichii | Halácsy | 0 | below the evidence gate |
| Cirsium henryi | (Franch.) Diels | 0 | below the evidence gate |
| Cirsium heterotrichum | Pančić | 0 | below the evidence gate |
| Cirsium hida-paludosum | Kadota & Nagase | 0 | below the evidence gate |
| Cirsium hidakamontanum | Kadota | 0 | below the evidence gate |
| Cirsium hidalgoense | G.L.Nesom | 0 | below the evidence gate |
| Cirsium homolepis | Nakai | 0 | below the evidence gate |
| Cirsium horridum | Formánek | 0 | below the evidence gate |
| Cirsium hosokawai | Kitam. | 0 | below the evidence gate |
| Cirsium hupehense | Pamp. | 0 | below the evidence gate |
| Cirsium hybridum | W.D.J.Koch | 0 | below the evidence gate |
| Cirsium hydrophilum | Jeps. | 0 | below the evidence gate |
| Cirsium hygrophilum | Boiss. | 0 | below the evidence gate |
| Cirsium hypoleucum | DC. | 0 | below the evidence gate |
| Cirsium hypopsilum | Boiss. & Heldr. | 0 | below the evidence gate |
| Cirsium iburiense | Kitam. | 0 | below the evidence gate |
| Cirsium imbricatum | Petr. | 0 | below the evidence gate |
| Cirsium imereticum | Boiss. | 0 | below the evidence gate |
| Cirsium inundatum | Makino | 0 | below the evidence gate |
| Cirsium iranicum | Petr. | 0 | below the evidence gate |
| Cirsium ishizuchiense | (Kitam.) Kadota | 0 | below the evidence gate |
| Cirsium isophyllum | (Petr.) Grossh. | 0 | below the evidence gate |
| Cirsium joanne | S.L.Welsh, N.D.Atwood & L.C.Higgins | 0 | below the evidence gate |
| Cirsium jorullense | Spreng. | 0 | below the evidence gate |
| Cirsium jucundum | (C.Winkl.) Iljin | 0 | below the evidence gate |
| Cirsium kagamontanum | Nakai | 0 | below the evidence gate |
| Cirsium karduchorum | Petr. | 0 | below the evidence gate |
| Cirsium kasaianum | Kadota | 0 | below the evidence gate |
| Cirsium kawakamii | Hayata | 0 | below the evidence gate |
| Cirsium kirbense | Pomel | 0 | below the evidence gate |
| Cirsium komarovii | Schischk. | 0 | below the evidence gate |
| Cirsium kosmelii | (Adams) Fisch. ex Hohen. | 0 | below the evidence gate |
| Cirsium kosnelii | Boiss. | 0 | below the evidence gate |
| Cirsium kozlovskyi | Petr. | 0 | below the evidence gate |
| Cirsium kurzezowianum | Somm. & Levier | 0 | below the evidence gate |
| Cirsium lacaitae | Petr. | 0 | below the evidence gate |
| Cirsium lamyroides | Tamamsch. | 0 | below the evidence gate |
| Cirsium lanatum | Spreng. | 0 | below the evidence gate |
| Cirsium lanceolatum | Hill | 0 | below the evidence gate |
| Cirsium lappoides | Sch.Bip. | 0 | below the evidence gate |
| Cirsium latifolium | Lowe | 0 | below the evidence gate |
| Cirsium laxiflorum | 0 | below the evidence gate | |
| Cirsium leducei | (Franch.) H.Lév. | 0 | below the evidence gate |
| Cirsium leo | Nakai & Kitag. | 0 | below the evidence gate |
| Cirsium leucocephalum | (Willd.) Spreng. | 0 | below the evidence gate |
| Cirsium leuconeurum | Boiss. & Heldr. | 0 | below the evidence gate |
| Cirsium leucopsis | DC. | 0 | below the evidence gate |
| Cirsium libanoticum | DC. | 0 | below the evidence gate |
| Cirsium lidjiangense | Petr. & Hand.-Mazz. | 0 | below the evidence gate |
| Cirsium liebmannii | Sch.Bip. ex Klatt | 0 | below the evidence gate |
| Cirsium linearifolium | 0 | below the evidence gate | |
| Cirsium lobelii | Ten. | 0 | below the evidence gate |
| Cirsium lojkae | Somm & et Levier | 0 | below the evidence gate |
| Cirsium longepedunculatum | Kitam. | 0 | below the evidence gate |
| Cirsium longifolium | Boiss. | 0 | below the evidence gate |
| Cirsium lucens | Kitam. | 0 | below the evidence gate |
| Cirsium luzoniense | Merr. | 0 | below the evidence gate |
| Cirsium macrobotrys | (K.Koch) Boiss. | 0 | below the evidence gate |
| Cirsium macrocephalum | C.A.Mey. | 0 | below the evidence gate |
| Cirsium magofukui | Kitam. | 0 | below the evidence gate |
| Cirsium mairei | Halácsy | 0 | below the evidence gate |
| Cirsium maroccanum | Petr. | 0 | below the evidence gate |
| Cirsium maruyamanum | Kitam. | 0 | below the evidence gate |
| Cirsium matsumurae | Nakai | 0 | below the evidence gate |
| Cirsium mcvaughii | B.L.Turner | 0 | below the evidence gate |
| Cirsium medium | All. | 0 | below the evidence gate |
| Cirsium mendocinum | Petr. | 0 | below the evidence gate |
| Cirsium microspicatum | Nakai | 0 | below the evidence gate |
| Cirsium mirabile | Kitam. | 0 | below the evidence gate |
| Cirsium misawaense | Nakai ex Kitam. | 0 | below the evidence gate |
| Cirsium mokchangense | Nakai | 0 | below the evidence gate |
| Cirsium monocephalum | H.Lév. | 0 | below the evidence gate |
| Cirsium morisianum | Rchb.f. | 0 | below the evidence gate |
| Cirsium muliense | C.Shih | 0 | below the evidence gate |
| Cirsium naikurense | Nakai | 0 | below the evidence gate |
| Cirsium nigriceps | Standl. & Steyerm. | 0 | below the evidence gate |
| Cirsium nippoense | Kadota | 0 | below the evidence gate |
| Cirsium nipponicum | Makino | 0 | below the evidence gate |
| Cirsium nishiokae | Kitam. | 0 | below the evidence gate |
| Cirsium norikurense | Nakai | 0 | below the evidence gate |
| Cirsium numidicum | Spreng. | 0 | below the evidence gate |
| Cirsium nuttalii | DC. | 0 | below the evidence gate |
| Cirsium oblongifolium | K.Koch | 0 | below the evidence gate |
| Cirsium occidentalinipponense | Kadota | 0 | below the evidence gate |
| Cirsium odontolepis | Boiss. ex DC. | 0 | below the evidence gate |
| Cirsium oreophilum | (Rydb.) K.Schum. | 0 | below the evidence gate |
| Cirsium orizabense | Klatt | 0 | below the evidence gate |
| Cirsium osseticum | Petr. | 0 | below the evidence gate |
| Cirsium otayai | Kitam. | 0 | below the evidence gate |
| Cirsium ownbeyi | S.L.Welsh | 0 | below the evidence gate |
| Cirsium pascuarense | Spreng. | 0 | below the evidence gate |
| Cirsium patens | Kitam. | 0 | below the evidence gate |
| Cirsium pectinellum | A.Gray | 0 | below the evidence gate |
| Cirsium periacanthaceum | C.Shih | 0 | below the evidence gate |
| Cirsium perniveum | H.Lindb. | 0 | below the evidence gate |
| Cirsium perplexans | Petr. | 0 | below the evidence gate |
| Cirsium phulchokiense | Kitam. | 0 | below the evidence gate |
| Cirsium pilosum | Kitam. | 0 | below the evidence gate |
| Cirsium pinnatisectum | Petr. | 0 | below the evidence gate |
| Cirsium poluninii | P.H.Davis & Parris | 0 | below the evidence gate |
| Cirsium polyanthemon | Spreng. | 0 | below the evidence gate |
| Cirsium polycephalum | DC. | 0 | below the evidence gate |
| Cirsium portoricense | (Kuntze) Petr. | 0 | below the evidence gate |
| Cirsium praeteriens | J.F.Macbr. | 0 | below the evidence gate |
| Cirsium prativagum | Petr. | 0 | below the evidence gate |
| Cirsium provostii | Franch. | 0 | below the evidence gate |
| Cirsium pseudobracteosum | P.H.Davis & Parris | 0 | below the evidence gate |
| Cirsium pseudocreticum | (P.H.Davis & Parris) Yıldız, Dirmenci & Arabacı | 0 | below the evidence gate |
| Cirsium pseudopersonata | Boiss. & Balansa | 0 | below the evidence gate |
| Cirsium pyramidale | Bornm. | 0 | below the evidence gate |
| Cirsium pyrenaicum | (Jacq.) All. | 0 | below the evidence gate |
| Cirsium racemiforme | Ling & C.Shih | 0 | below the evidence gate |
| Cirsium radians | Benth. | 0 | below the evidence gate |
| Cirsium rassulovae | B.A.Scharip. | 0 | below the evidence gate |
| Cirsium rassulovii | B.A.Sharipova | 0 | below the evidence gate |
| Cirsium reglense | Sch.Bip. ex Klatt | 0 | below the evidence gate |
| Cirsium rhinoceros | Nakai | 0 | below the evidence gate |
| Cirsium rhizocephalum | C.A.Mey. | 0 | below the evidence gate |
| Cirsium rhysocephalum | 0 | below the evidence gate | |
| Cirsium richterianum | Gillot | 0 | below the evidence gate |
| Cirsium rigens | Wallr. | 0 | below the evidence gate |
| Cirsium rigidum | DC. | 0 | below the evidence gate |
| Cirsium roseolum | Gorl. | 0 | below the evidence gate |
| Cirsium rosulatum | Talavera & Valdés | 0 | below the evidence gate |
| Cirsium rydbergii | Petr. | 0 | below the evidence gate |
| Cirsium sairamense | O.Fedtsch. & B.Fedtsch. | 0 | below the evidence gate |
| Cirsium scabrum | (Poir.) Bonnet & Barratte | 0 | below the evidence gate |
| Cirsium schelkownikowii | Petr. | 0 | below the evidence gate |
| Cirsium schimperi | (Vatke) C.Jeffrey | 0 | below the evidence gate |
| Cirsium semipectinatum | (Lam.) Spreng. | 0 | below the evidence gate |
| Cirsium senjoense | Kitam. | 0 | below the evidence gate |
| Cirsium setidens | (Dunn) Nakai | 0 | below the evidence gate |
| Cirsium setschwanicum | (Petr.) Petr. | 0 | below the evidence gate |
| Cirsium shansiense | Petr. | 0 | below the evidence gate |
| Cirsium shidokimontanum | Kadota | 0 | below the evidence gate |
| Cirsium shihianum | Greuter | 0 | below the evidence gate |
| Cirsium shinanense | Shimizu | 0 | below the evidence gate |
| Cirsium sieboldii | Miq. | 0 | below the evidence gate |
| Cirsium sieversii | (Fisch. & C.A.Mey.) Petr. | 0 | below the evidence gate |
| Cirsium silesiacum | Sch.Bip. ex Nyman | 0 | below the evidence gate |
| Cirsium sintenisii | Freyn | 0 | below the evidence gate |
| Cirsium sipyleum | O.Schwarz | 0 | below the evidence gate |
| Cirsium sommieri | Petr. | 0 | below the evidence gate |
| Cirsium sorocephalum | Fisch. & C.A.Mey. | 0 | below the evidence gate |
| Cirsium sosnowskyi | Kharadze | 0 | below the evidence gate |
| Cirsium souliei | (Franch.) Mattf. ex Rehder & Kobuski | 0 | below the evidence gate |
| Cirsium spathulatum | Gaudin | 0 | below the evidence gate |
| Cirsium spectabile | DC. | 0 | below the evidence gate |
| Cirsium spicatum | Matsum. | 0 | below the evidence gate |
| Cirsium spinosum | Kitam. | 0 | below the evidence gate |
| Cirsium steirolepis | Petr. | 0 | below the evidence gate |
| Cirsium straminispinum | C.Jeffrey | 0 | below the evidence gate |
| Cirsium strigosum | (M.Bieb.) Fisch. | 0 | below the evidence gate |
| Cirsium subalpinum | Gaudin | 0 | below the evidence gate |
| Cirsium subgriseum | Petr. | 0 | below the evidence gate |
| Cirsium subuliforme | G.B.Ownbey | 0 | below the evidence gate |
| Cirsium subuliforme | C.Shih | 0 | below the evidence gate |
| Cirsium succinctum | Ledeb. | 0 | below the evidence gate |
| Cirsium suffultum | Matsum. | 0 | below the evidence gate |
| Cirsium suzukaense | Kitam. | 0 | below the evidence gate |
| Cirsium svaneticum | Sommier & Levier | 0 | below the evidence gate |
| Cirsium swaticum | Petr. | 0 | below the evidence gate |
| Cirsium tamastoloniferum | Kadota | 0 | below the evidence gate |
| Cirsium tanegashimense | Kitam. ex Kadota | 0 | below the evidence gate |
| Cirsium taquetii | Nakai | 0 | below the evidence gate |
| Cirsium tashiroi | Kitam. | 0 | below the evidence gate |
| Cirsium tataricum | DC. | 0 | below the evidence gate |
| Cirsium tauschii | DC. | 0 | below the evidence gate |
| Cirsium tenoreanum | Petr. | 0 | below the evidence gate |
| Cirsium tenue | Kitam. | 0 | below the evidence gate |
| Cirsium tenuifolium | C.Shih | 0 | below the evidence gate |
| Cirsium tenuipedunculatum | Kadota | 0 | below the evidence gate |
| Cirsium tenuisquamatum | Kitam. | 0 | below the evidence gate |
| Cirsium tianmushanicum | C.Shih | 0 | below the evidence gate |
| Cirsium tibeticum | Kitam. | 0 | below the evidence gate |
| Cirsium tolucanum | Petr. | 0 | below the evidence gate |
| Cirsium toraiense | Nakai ex Kitam. | 0 | below the evidence gate |
| Cirsium toyoshimae | Koidz. | 0 | below the evidence gate |
| Cirsium trachylepis | Boiss. | 0 | below the evidence gate |
| Cirsium trachylomum | S.F.Blake | 0 | below the evidence gate |
| Cirsium trifurcum | Petr. | 0 | below the evidence gate |
| Cirsium tymphaeum | Hausskn. | 0 | below the evidence gate |
| Cirsium uetsuense | Kitam. | 0 | below the evidence gate |
| Cirsium ugoense | Nakai | 0 | below the evidence gate |
| Cirsium uliginosum | (M.Bieb.) Fisch. | 0 | below the evidence gate |
| Cirsium umezawanum | Kadota | 0 | below the evidence gate |
| Cirsium uninervium | Nakai | 0 | below the evidence gate |
| Cirsium valentinum | Porta | 0 | below the evidence gate |
| Cirsium validus | Greene | 0 | below the evidence gate |
| Cirsium vallis-demonii | Lojac. | 0 | below the evidence gate |
| Cirsium vancouverense | R.J.Moore & Frankton | 0 | below the evidence gate |
| Cirsium variegatum | Arv.-Touv. | 0 | below the evidence gate |
| Cirsium velatum | (S.Watson) Petr. | 0 | below the evidence gate |
| Cirsium vernonioides | C.Shih | 0 | below the evidence gate |
| Cirsium viridifolium | (Hand.-Mazz.) C.Shih | 0 | below the evidence gate |
| Cirsium wakasugianum | Kadota | 0 | below the evidence gate |
| Cirsium welwitschii | Coss. | 0 | below the evidence gate |
| Cirsium woodwardii | H.C.Watson ex Nyman | 0 | below the evidence gate |
| Cirsium woronowii | Petr. | 0 | below the evidence gate |
| Cirsium yakusimense | Masam. | 0 | below the evidence gate |
| Cirsium yatsu-alpicola | Kadota & Y.Amano | 0 | below the evidence gate |
| Cirsium yezoense | Makino | 0 | below the evidence gate |
| Cirsium yildizianum | Arabacı & Dirmenci | 0 | below the evidence gate |
| Cirsium zawoense | Kadota | 0 | below the evidence gate |
| Cirsium zenii | Nakai | 0 | below the evidence gate |
This site is commercial, so it can only publish photographs licensed for commercial use. Roughly three quarters of the photographs on iNaturalist are CC BY-NC, which excludes them. A species needs at least three usable photographs before we will build it a page, because a page with one picture and no traits tells you nothing you could not get from a search result, and generating hundreds of thousands of those is precisely the practice that got the previous version of this site deleted.
So the species above without a link are not errors and they are not omissions. They are real, accepted plants that we cannot yet document to the standard we hold ourselves to, and the count in the photographs column is exactly how far short we fall.