Latin Lookup
Species within the genus "Cirsium"
| Family | Genus | Species | Common Name | More Info |
| Asteraceae | Cirsium | acanthodontum | Cirsium remotifolium ssp. remotifolium | |
| Asteraceae | Cirsium | acaule | Cirsium tioganum var. tioganum | PF |
| Asteraceae | Cirsium | acaulescens | Cirsium tioganum var. tioganum | |
| Asteraceae | Cirsium | acuatum | Cirsium undulatum var. tracyi | |
| Asteraceae | Cirsium | altissimum | Cirsium altissimum | PF |
| Asteraceae | Cirsium | altissimum | Cirsium engelmannii | PF |
| Asteraceae | Cirsium | altissimum | tall thistle | PF |
| Asteraceae | Cirsium | amblylepis | Mt. Tamalpais thistle | |
| Asteraceae | Cirsium | americanum | Cirsium tioganum var. tioganum | |
| Asteraceae | Cirsium | andersonii | rose thistle | PF |
| Asteraceae | Cirsium | andrewsii | Franciscan thistle | |
| Asteraceae | Cirsium | araneans | jeweled thistle | |
| Asteraceae | Cirsium | arcuum | powderpuff thistle | |
| Asteraceae | Cirsium | aridum | desert thistle | |
| Asteraceae | Cirsium | arizonicum | Arizona thistle | |
| Asteraceae | Cirsium | arizonicum | Arizona thistle | |
| Asteraceae | Cirsium | arizonicum | Arizona thistle | |
| Asteraceae | Cirsium | arvense | Cirsium arvense | PF |
| Asteraceae | Cirsium | arvense | Cirsium arvense | PF |
| Asteraceae | Cirsium | arvense | Cirsium arvense | PF |
| Asteraceae | Cirsium | arvense | Cirsium arvense | PF |
| Asteraceae | Cirsium | arvense | Cirsium arvense | PF |
| Asteraceae | Cirsium | arvense | Canada thistle | PF |
| Asteraceae | Cirsium | barnebyi | Barneby's thistle | PF |
| Asteraceae | Cirsium | bigelovii | Cirsium muticum | |
| Asteraceae | Cirsium | bipinnatum | Cirsium calcareum | |
| Asteraceae | Cirsium | blumeri | Cirsium wheeleri | |
| Asteraceae | Cirsium | botrys | Cirsium ciliolatum | |
| Asteraceae | Cirsium | brevifolium | Palouse thistle | PF |
| Asteraceae | Cirsium | brevistylum | clustered thistle | PF |
| Asteraceae | Cirsium | breweri | Cirsium douglasii var. breweri | |
| Asteraceae | Cirsium | breweri | Cirsium douglasii var. douglasii | |
| Asteraceae | Cirsium | breweri | Cirsium douglasii var. breweri | |
| Asteraceae | Cirsium | butleri | Cirsium scariosum var. scariosum | |
| Asteraceae | Cirsium | calcareum | Cirsium calcareum | |
| Asteraceae | Cirsium | calcareum | Cirsium calcareum | |
| Asteraceae | Cirsium | calcareum | Cainville thistle | |
| Asteraceae | Cirsium | californicum | Cirsium occidentale var. californicum | |
| Asteraceae | Cirsium | californicum | Cirsium occidentale var. californicum | |
| Asteraceae | Cirsium | californicum | Cirsium occidentale var. californicum | |
| Asteraceae | Cirsium | callilepis | Cirsium remotifolium ssp. oregonense | |
| Asteraceae | Cirsium | callilepis | Cirsium remotifolium ssp. pseudocarlinoides | |
| Asteraceae | Cirsium | callilepis | Cirsium remotifolium ssp. remotifolium | |
| Asteraceae | Cirsium | campylon | Cirsium fontinale var. campylon | |
| Asteraceae | Cirsium | candidissimum | Cirsium pastoris | |
| Asteraceae | Cirsium | canescens | prairie thistle | PF |
| Asteraceae | Cirsium | canovirens | graygreen thistle | |
| Asteraceae | Cirsium | canum | Queen Anne's thistle | |
| Asteraceae | Cirsium | carolinianum | soft thistle | PF |
| Asteraceae | Cirsium | centaureae | Cirsium remotifolium ssp. oregonense | |
| Asteraceae | Cirsium | chellyense | queen thistle | PF |
| Asteraceae | Cirsium | chuskaense | monarch thistle | |
| Asteraceae | Cirsium | ciliolatum | Ashland thistle | PF |
| Asteraceae | Cirsium | clavatum | Fish Lake thistle | PF |
| Asteraceae | Cirsium | clokeyi | whitespine thistle | |
| Asteraceae | Cirsium | coccinatum | Cirsium drummondii | |
| Asteraceae | Cirsium | coloradense | Cirsium tioganum var. tioganum | |
| Asteraceae | Cirsium | coloradense | Cirsium tioganum var. tioganum | |
| Asteraceae | Cirsium | coloradense | Cirsium tioganum var. coloradense | |
| Asteraceae | Cirsium | congdonii | rosette thistle | |
| Asteraceae | Cirsium | coulteri | Cirsium occidentale var. occidentale | |
| Asteraceae | Cirsium | crassicaule | slough thistle | PF |
| Asteraceae | Cirsium | cymosum | peregrine thistle | PF |
| Asteraceae | Cirsium | davisii | Cirsium subniveum | |
| Asteraceae | Cirsium | diffusum | Cirsium rothrockii | |
| Asteraceae | Cirsium | discolor | field thistle | PF |
| Asteraceae | Cirsium | douglasii | Douglas' thistle | PF |
| Asteraceae | Cirsium | douglasii | Cirsium douglasii var. breweri | PF |
| Asteraceae | Cirsium | douglasii | Douglas' thistle | PF |
| Asteraceae | Cirsium | douglasii | Douglas' thistle | PF |
| Asteraceae | Cirsium | drummondii | Cirsium tioganum var. tioganum | PF |
| Asteraceae | Cirsium | drummondii | Cirsium tioganum var. tioganum | PF |
| Asteraceae | Cirsium | drummondii | Cirsium tioganum var. tioganum | PF |
| Asteraceae | Cirsium | drummondii | Cirsium tioganum var. tioganum | PF |
| Asteraceae | Cirsium | drummondii | Cirsium tioganum var. tioganum | PF |
| Asteraceae | Cirsium | drummondii | dwarf thistle | PF |
| Asteraceae | Cirsium | eatonii | Cirsium eatonii | |
| Asteraceae | Cirsium | eatonii | Cirsium murdockii | |
| Asteraceae | Cirsium | eatonii | Eaton's thistle | |
| Asteraceae | Cirsium | edule | edible thistle | PF |
| Asteraceae | Cirsium | engelmannii | Engelmann's thistle | PF |
| Asteraceae | Cirsium | eriocephalum | Cirsium eatonii | |
| Asteraceae | Cirsium | eriocephalum | Cirsium scopulorum | |
| Asteraceae | Cirsium | filipendulum | Cirsium engelmannii | |
| Asteraceae | Cirsium | flaccidum | Cirsium carolinianum | |
| Asteraceae | Cirsium | floccosum | Cirsium undulatum var. tracyi | |
| Asteraceae | Cirsium | flodmanii | Flodman's thistle | |
| Asteraceae | Cirsium | foliosum | Cirsium foliosum | |
| Asteraceae | Cirsium | foliosum | elk thistle | |
| Asteraceae | Cirsium | fontinale | Mt Hamilton thistle | |
| Asteraceae | Cirsium | fontinale | fountain thistle | |
| Asteraceae | Cirsium | fontinale | Chorro Creek Bog thistle | |
| Asteraceae | Cirsium | fontinale | fountain thistle | |
| Asteraceae | Cirsium | gilense | Gila thistle | |
| Asteraceae | Cirsium | grahamii | Graham's thistle | |
| Asteraceae | Cirsium | griseum | gray thistle | |
| Asteraceae | Cirsium | hallii | Hall's thistle | |
| Asteraceae | Cirsium | helleri | Cirsium undulatum var. undulatum | |
| Asteraceae | Cirsium | hesperium | Cirsium scopulorum | |
| Asteraceae | Cirsium | hillii | Hill's thistle | |
| Asteraceae | Cirsium | hookerianum | Cirsium eatonii | PF |
| Asteraceae | Cirsium | hookerianum | white thistle | PF |
| Asteraceae | Cirsium | horridulum | Cirsium horridulum var. horridulum | PF |
| Asteraceae | Cirsium | horridulum | yellow thistle | PF |
| Asteraceae | Cirsium | horridulum | yellow thistle | PF |
| Asteraceae | Cirsium | horridulum | yellow thistle | PF |
| Asteraceae | Cirsium | howellii | Cirsium ciliolatum | |
| Asteraceae | Cirsium | humboldtense | Humboldt County thistle | |
| Asteraceae | Cirsium | hydrophilum | Suisun thistle | |
| Asteraceae | Cirsium | hydrophilum | Vasey's thistle | |
| Asteraceae | Cirsium | hydrophilum | Suisun thistle | |
| Asteraceae | Cirsium | incanum | Cirsium arvense | |
| Asteraceae | Cirsium | inornatum | cloudcroft thistle | |
| Asteraceae | Cirsium | kamtschaticum | Kamchatka thistle | |
| Asteraceae | Cirsium | kelseyi | Cirsium scariosum var. scariosum | |
| Asteraceae | Cirsium | lacerum | Cirsium scariosum var. scariosum | |
| Asteraceae | Cirsium | lactucinum | Cirsium rydbergii | |
| Asteraceae | Cirsium | lanceolatum | Cirsium vulgare | |
| Asteraceae | Cirsium | laterifolium | porcupine thistle | |
| Asteraceae | Cirsium | lecontei | Le Conte's thistle | PF |
| Asteraceae | Cirsium | loncholepis | la graciosa thistle | |
| Asteraceae | Cirsium | longistylum | longstyle thistle | PF |
| Asteraceae | Cirsium | macounii | Cirsium edule | |
| Asteraceae | Cirsium | magnificum | Cirsium scariosum var. scariosum | |
| Asteraceae | Cirsium | maritimum | Cirsium rhothophilum | |
| Asteraceae | Cirsium | megacephalum | Cirsium undulatum var. undulatum | |
| Asteraceae | Cirsium | mendocinum | Mendocino thistle | |
| Asteraceae | Cirsium | mexicanum | Mexican thistle | |
| Asteraceae | Cirsium | minganense | Cirsium scariosum var. scariosum | |
| Asteraceae | Cirsium | modestum | lacy thistle | |
| Asteraceae | Cirsium | mohavense | Mojave thistle | |
| Asteraceae | Cirsium | montigenum | Cirsium hydrophilum var. vaseyi | |
| Asteraceae | Cirsium | murdockii | Murdock's thistle | |
| Asteraceae | Cirsium | muticum | Cirsium muticum | PF |
| Asteraceae | Cirsium | muticum | Cirsium muticum | PF |
| Asteraceae | Cirsium | muticum | swamp thistle | PF |
| Asteraceae | Cirsium | navajoense | Navajo thistle | |
| Asteraceae | Cirsium | nebraskense | Cirsium flodmanii | |
| Asteraceae | Cirsium | nebraskense | Cirsium canescens | |
| Asteraceae | Cirsium | nelsonii | Cirsium canescens | |
| Asteraceae | Cirsium | neomexicanum | New Mexico thistle | PF |
| Asteraceae | Cirsium | neomexicanum | Utah thistle | PF |
| Asteraceae | Cirsium | neomexicanum | New Mexico thistle | PF |
| Asteraceae | Cirsium | nidulum | Cirsium arizonicum var. nidulum | |
| Asteraceae | Cirsium | nuttallii | Nuttall's thistle | |
| Asteraceae | Cirsium | oblanceolatum | Cirsium flodmanii | |
| Asteraceae | Cirsium | occidentale | cobwebby thistle | PF |
| Asteraceae | Cirsium | occidentale | Cirsium pastoris | PF |
| Asteraceae | Cirsium | occidentale | compact cobwebby thistle | PF |
| Asteraceae | Cirsium | occidentale | cobwebby thistle | PF |
| Asteraceae | Cirsium | occidentale | cobwebby thistle | PF |
| Asteraceae | Cirsium | occidentale | cobwebby thistle | PF |
| Asteraceae | Cirsium | ochrocentrum | Cirsium undulatum var. undulatum | PF |
| Asteraceae | Cirsium | ochrocentrum | yellowspine thistle | PF |
| Asteraceae | Cirsium | odoratum | Cirsium pumilum | |
| Asteraceae | Cirsium | olivescens | summer thistle | |
| Asteraceae | Cirsium | oreganum | Cirsium remotifolium ssp. remotifolium | |
| Asteraceae | Cirsium | oreophilum | crow thistle | |
| Asteraceae | Cirsium | osterhoutii | Osterhout's thistle | |
| Asteraceae | Cirsium | ownbeyi | Ownbey's thistle | |
| Asteraceae | Cirsium | P. | thistle | |
| Asteraceae | Cirsium | pallidum | pale thistle | |
| Asteraceae | Cirsium | palousense | Cirsium brevifolium | |
| Asteraceae | Cirsium | palustre | marsh thistle | PF |
| Asteraceae | Cirsium | parryi | Mogollon thistle | |
| Asteraceae | Cirsium | parryi | Parry's thistle | |
| Asteraceae | Cirsium | parryi | Parry's thistle | |
| Asteraceae | Cirsium | pastoris | snowy thistle | |
| Asteraceae | Cirsium | peckii | Steen Mountain thistle | |
| Asteraceae | Cirsium | perennans | Cirsium wheeleri | |
| Asteraceae | Cirsium | perplexans | Rocky Mountain thistle | |
| Asteraceae | Cirsium | pitcheri | sand dune thistle | PF |
| Asteraceae | Cirsium | plattense | Cirsium canescens | |
| Asteraceae | Cirsium | polyphyllum | Cirsium eatonii | |
| Asteraceae | Cirsium | praeteriens | Palo Alto thistle | |
| Asteraceae | Cirsium | proteanum | Cirsium occidentale var. venustum | |
| Asteraceae | Cirsium | pugnax | Cnicus benedictus | |
| Asteraceae | Cirsium | pulchellum | Cirsium calcareum | |
| Asteraceae | Cirsium | pulchellum | Cirsium rothrockii | |
| Asteraceae | Cirsium | pulchellum | Cirsium calcareum | |
| Asteraceae | Cirsium | pulchellum | Cirsium calcareum | |
| Asteraceae | Cirsium | pulcherrimum | Wyoming thistle | |
| Asteraceae | Cirsium | pumilum | Cirsium hillii | PF |
| Asteraceae | Cirsium | pumilum | Cirsium hillii | PF |
| Asteraceae | Cirsium | pumilum | pasture thistle | PF |
| Asteraceae | Cirsium | pyrenaicum | ||
| Asteraceae | Cirsium | quercetorum | Cirsium tioganum var. tioganum | PF |
| Asteraceae | Cirsium | quercetorum | Cirsium quercetorum var. quercetorum | PF |
| Asteraceae | Cirsium | quercetorum | Alameda County thistle | PF |
| Asteraceae | Cirsium | quercetorum | Walker's thistle | PF |
| Asteraceae | Cirsium | quercetorum | Alameda County thistle | PF |
| Asteraceae | Cirsium | quercetorum | Alameda County thistle | PF |
| Asteraceae | Cirsium | remotifolium | fewleaf thistle | PF |
| Asteraceae | Cirsium | remotifolium | fewleaf thistle | PF |
| Asteraceae | Cirsium | remotifolium | fewleaf thistle | PF |
| Asteraceae | Cirsium | remotifolium | Cirsium remotifolium ssp. remotifolium | PF |
| Asteraceae | Cirsium | remotifolium | Cirsium remotifolium ssp. remotifolium | PF |
| Asteraceae | Cirsium | remotifolium | fewleaf thistle | PF |
| Asteraceae | Cirsium | repandum | sandhill thistle | |
| Asteraceae | Cirsium | revolutum | Cirsium virginianum | |
| Asteraceae | Cirsium | rhothophilum | surf thistle | |
| Asteraceae | Cirsium | rothrockii | Rothrock's thistle | |
| Asteraceae | Cirsium | rusbyi | Rusby's thistle | |
| Asteraceae | Cirsium | rydbergii | Rydberg's thistle | |
| Asteraceae | Cirsium | scabrum | rough thistle | |
| Asteraceae | Cirsium | scapanolepis | mountain slope thistle | |
| Asteraceae | Cirsium | scariosum | meadow thistle | PF |
| Asteraceae | Cirsium | scariosum | meadow thistle | PF |
| Asteraceae | Cirsium | scariosum | meadow thistle | PF |
| Asteraceae | Cirsium | scopulorum | mountain thistle | |
| Asteraceae | Cirsium | setosum | Cirsium arvense | |
| Asteraceae | Cirsium | smallii | Cirsium horridulum var. horridulum | |
| Asteraceae | Cirsium | spathulifolium | Cirsium scapanolepis | |
| Asteraceae | Cirsium | spinosissimum | Cirsium horridulum var. horridulum | |
| Asteraceae | Cirsium | stenolepidum | Cirsium remotifolium ssp. remotifolium | |
| Asteraceae | Cirsium | subniveum | Jackson Hole thistle | |
| Asteraceae | Cirsium | terraenigrae | Cirsium engelmannii | |
| Asteraceae | Cirsium | texanum | Cirsium texanum | PF |
| Asteraceae | Cirsium | texanum | Texas thistle | PF |
| Asteraceae | Cirsium | tioganum | Colorado thistle | |
| Asteraceae | Cirsium | tioganum | Tioga thistle | |
| Asteraceae | Cirsium | tioganum | stemless thistle | |
| Asteraceae | Cirsium | tracyi | Cirsium undulatum var. tracyi | |
| Asteraceae | Cirsium | triacanthum | Cirsium cymosum | |
| Asteraceae | Cirsium | turneri | cliff thistle | PF |
| Asteraceae | Cirsium | tweedyi | Cirsium eatonii | |
| Asteraceae | Cirsium | tweedyi | Cirsium murdockii | |
| Asteraceae | Cirsium | undulatum | Cirsium undulatum var. undulatum | PF |
| Asteraceae | Cirsium | undulatum | Tracy's thistle | PF |
| Asteraceae | Cirsium | undulatum | wavyleaf thistle | PF |
| Asteraceae | Cirsium | undulatum | wavyleaf thistle | PF |
| Asteraceae | Cirsium | utahense | Cirsium neomexicanum var. utahense | |
| Asteraceae | Cirsium | vaseyi | Cirsium hydrophilum var. hydrophilum | |
| Asteraceae | Cirsium | vaseyi | Cirsium hydrophilum var. vaseyi | |
| Asteraceae | Cirsium | vernale | spring thistle | |
| Asteraceae | Cirsium | vinaceum | Sacramento Mountain thistle | PF |
| Asteraceae | Cirsium | virginense | virgin thistle | |
| Asteraceae | Cirsium | virginianum | Virginia thistle | |
| Asteraceae | Cirsium | vittatum | Cirsium horridulum var. vittatum | |
| Asteraceae | Cirsium | vulgare | bull thistle | PF |
| Asteraceae | Cirsium | walkerianum | Cirsium quercetorum var. walkerianum | |
| Asteraceae | Cirsium | wallowense | Cirsium neomexicanum var. utahense | |
| Asteraceae | Cirsium | wheeleri | Wheeler's thistle | PF |
| Asteraceae | Cirsium | wrightii | Wright's thistle | |
| Asteraceae | Cirsium | ×erosum | glory thistle | |
| Asteraceae | Cirsium | ×iowense |
More Info Legend:
PF = This entry exists in PlantFiles.