Contains 11 accepted taxa overall.

Characteristics
Cirsium Mill.
THISTLE
Classification
Magnoliophyta - Flowering Plants
Magnoliopsida
Asteridae
Asterales
Cirsium
Citation
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TYPE: Cirsium heterophyllum (Linnaeus) Hill (Carduus heterophyllus Linnaeus) Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 548. 1913.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Cirsium altissimum Tall thistle Native UPL (NWPL)
Cirsium arvense Field thistle; Canadian thistle Not Native FACU (NWPL)
Cirsium carolinianum Carolina thistle Native Rare-State UPL (NWPL)
Cirsium discolor Pasture thistle; Field thistle Native FACU (NWPL)
Cirsium hillii Hill's thistle Native Endangered-State UPL (NWPL)
Cirsium muticum Fen thistle; Swamp thistle Native OBL (NWPL)
Cirsium pitcheri Dune thistle Native Threatened-State Threatened-US UPL (NWPL)
Cirsium pumilum Pasture thistle
Cirsium pumilum var. hillii Hill's thistle Native Endangered-State
Cirsium undulatum Wavy-leaved thistle Not Native FACU (NWPL)
Cirsium vulgare Bull thistle Not Native FACU (NWPL)
Identification Key

No identification key is available for this family.

Genus Synonyms
Synonym Full Citation Basionym Type
No synonyms found.