薊屬
下属物种

本属包括以下物种：
Cirsium acarna - Soldier Thistle
Cirsium acaule - Stemless Thistle, Dwarf Thistle
Cirsium altissimum - Roadside Thistle, Tall Thistle
Cirsium amblylepis - Mt. Tamalpais Thistle
Cirsium andersonii - Anderson's Thistle, Rose Thistle
Cirsium andrewsii - Franciscan Thistle
Cirsium araneans - Jeweled Thistle
Cirsium arcuum - Powderpuff Thistle
Cirsium aridum - Desert Thistle
Cirsium arizonicum - Arizona Thistle
Cirsium arvense - Creeping Thistle, Field Thistle, Canada Thistle
Cirsium arvense var. argenteum
Cirsium arvense var. integrifolium
Cirsium arvense var. mite
Cirsium arvense var. vestitum
Cirsium barnebyi - Barneby's Thistle
Cirsium brachycephalum
Cirsium brevifolium - Palouse Thistle
Cirsium brevistylum - Clustered Thistle
Cirsium calcareum - Cainville Thistle
Cirsium californicum - California Thistle
Cirsium callilepis - Fringebract Thistle
Cirsium campylon - Mount Hamilton Thistle
Cirsium canescens - Platte Thistle, Prairie Thistle
Cirsium canovirens - Graygreen Thistle
Cirsium canum - Queen Anne's Thistle
Cirsium carolinianum - Carolina Thistle, Soft Thistle
Cirsium caulescens
Cirsium centaureae
Cirsium chellyense - Queen Thistle
Cirsium chuskaense - Monarch Thistle
Cirsium ciliolatum - Ashland Thistle
Cirsium clavatum - Lake Thistle
Cirsium clokeyi - Charleston Mountain Thistle, Whitespine Thistle
Cirsium congdonii - Rosette Thistle
Cirsium costaricense
Cirsium coulteri - Coulter’s Thistle
Cirsium crassicaule - Slough Thistle
Cirsium cymosum - Peregrine Thistle
Cirsium diacanthum
Cirsium discolor - Field Thistle, Pasture Thistle
Cirsium dissectum - Meadow Thistle
Cirsium douglasii
Cirsium drummondii - Dwarf Thistle
Cirsium durangense
Cirsium eatonii - Eaton's Thistle
Cirsium edule - Edible Thistle
Cirsium engelmannii - Engelmann Thistle, Engelmann's Thistle
Cirsium eriophorum - Woolly Thistle
Cirsium erisithales - Yellow Melancholy Thistle
Cirsium esculentum
Cirsium flodmanii - Flodman Thistle, Flodman's Thistle
Cirsium foliosum - Drummond's Thistle, Elk Thistle, Leafy Thistle, Meadow Thistle
Cirsium fontinale - Fountain Thistle
Cirsium gilense - Gila Thistle
Cirsium grahamii - Graham's Thistle
Cirsium griseum - Gray Thistle
Cirsium hallii - Hall's Thistle
Cirsium helenioides - Melancholy Thistle, Common Melancholy Thistle
Cirsium heterophyllum - Melancholy Thistle
Cirsium hillii - Hill's Thistle
Cirsium hookerianum - White Thistle
Cirsium horridulum - Yellow Thistle
Cirsium humboldtense - Humboldt County Thistle
Cirsium hydrophilum - Suisun Thistle
Cirsium hypoleucum
Cirsium inornatum - Cloudcroft Thistle
南國小薊 Cirsium japonicum
Cirsium kamtschaticum - Kamchatka Thistle
玉山蓟 Cirsium kawakamii - Yushan Thistle
Cirsium lanatum - Hairy Thistle
Cirsium laterifolium - Porcupine Thistle
Cirsium lecontei - Le Conte's Thistle
Cirsium leo
Cirsium libanoticum
Cirsium loncholepis - LaGraciosa Thistle
Cirsium longistylum - Longstyle Thistle
Cirsium maritimum
Cirsium mendocinum - Mendocino Thistle
Cirsium mexicanum - Mexican Thistle
Cirsium modestum - Lacy Thistle
Cirsium mohavense - Mojave Thistle
Cirsium murdockii - Murdock's Thistle
Cirsium muticum - Swamp Thistle
Cirsium navajoense - Navajo Thistle
Cirsium neomexicanum - Lavender Thistle, New Mexico Thistle
Cirsium nipponicum
Cirsium nuttallii - Nuttall's Thistle
Cirsium occidentale -Cobweb Thistle
Cirsium ochrocentrum - Yellowspine Thistle
Cirsium oleraceum - Cabbage thistle
Cirsium olivescens - Summer Thistle
Cirsium oreophilum - Crow Thistle
Cirsium osterhoutii - Osterhout's Thistle
Cirsium ownbeyi - Ownbey's Thistle
Cirsium pallidum - Pale Thistle
沼生垂头蓟 Cirsium paludigenum Y. F. Lu, Z. H. Chen et X. F. Jin
Cirsium palustre - Marsh thistle, European Swamp Thistle
Cirsium parryi - Parry's Thistle
Cirsium pastoris - Snowy Thistle
Cirsium peckii - Steen Mountain Thistle
Cirsium pendulum
Cirsium perplexans - Rocky Mountain Thistle
Cirsium pitcheri - Pitcher's Thistle, Sand Dune Thistle
Cirsium praeteriens - Palo Alto Thistle, Lost Thistle
Cirsium proteanum - Red Thistle
Cirsium pulcherrimum - Wyoming Thistle
Cirsium pumilum - Pasture Thistle
Cirsium pyrenaicum
Cirsium quercetorum - Alameda County Thistle
Cirsium remotifolium - Fewleaf Thistle
Cirsium remotifolium var. remotifolium - Fewleaf Thistle
Cirsium repandum - Sandhill Thistle
Cirsium rhaphilepis
Cirsium rhothophilum - Surf Thistle
Cirsium rivulare
Cirsium rothrockii - Rothrock's Thistle
Cirsium rusbyi - Rusby's Thistle
Cirsium rydbergii - Rydberg's Thistle
Cirsium scabrum - Rough Thistle
Cirsium scapanolepis - Mountain Slope Thistle
Cirsium scariosum - Meadow Thistle
Cirsium scopulorum - Mountain Thistle
Cirsium segetum
Cirsium serrulatum
Cirsium spinosissimum
Cirsium subniveum - Gray Thistle, Jackson Hole Thistle
臺灣薊 Cirsium taiwanense Y.H.Tseng & Chih Y.Chang
Cirsium tanakae
Cirsium tatakaense Y.H.Tseng & C.Y.Chang
Cirsium texanum Buckley, 1862 - Texas Thistle
Cirsium tioganum (Congdon) Petr., 1917 - Stemless Thistle
Cirsium tuberosum (L.) All., 1785 - Tuberous Thistle.  类似于Cirsium dissectum (Meadow Thistle).
Cirsium tukuhnikivatzicum Ackerf.
Cirsium turneri - Cliff Thistle
Cirsium undulatum - Gray Thistle, Wavy-leaf Thistle, Wavyleaf Thistle
Cirsium undulatum var. tracyi - Tracy's Thistle, Wavyleaf Thistle
Cirsium undulatum var. undulatum - Wavyleaf Thistle
Cirsium validus - Graceful Thistle
Cirsium vernale - Spring Thistle
Cirsium vinaceum - Sacramento Mountain Thistle, Sacramento Mountains Thistle
Cirsium virginense - Virgin Thistle
Cirsium virginianum - Virginia Thistle
翼蓟 Cirsium vulgare - Bull Thistle, Spear Thistle, Common Thistle, Fuller's Thistle (异名：C. lanceolatum )
Cirsium wheeleri - Wheeler's Thistle
Cirsium wrightii - Wright's Thistle
Cirsium yezoense (Maxim.) Makino
浙江垂头蓟 Cirsium zhejiangense Z. H．Chen et X. Jin
Cirsium × canalense - Canal Thistle
Cirsium × crassum - Thistle
Cirsium × erosum - Glory Thistle
Cirsium × iowense - Iowa Thistle
Cirsium × vancouverense - Vancouver Thistle
Cirsium arizonicum
Cirsium canum
薊花上的熊蜂
翼蓟 Cirsium vulgare