Contains 9 accepted taxa overall.
Characteristics
Classification
Citation
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Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Cirsium altissimum | Tall Thistle; Roadside Thistle | Native | ||
| Cirsium carolinianum | Carolina Thistle; Spring Thistle; Soft Thistle | Native | ||
| Cirsium discolor | Field Thistle; Two Color Thistle | Native | ||
| Cirsium horridulum var. horridulum | Horrid Thistle; Yellow Thistle | Native | ||
| Cirsium horridulum var. megacanthum | Big Spine Thistle | Native G5 (Global Rank) | ||
| Cirsium lecontei | Black Thistle; Le Conte's Thistle | Native FACW- (NWPL) S1 (State Rank) G2G3 (Global Rank) | ||
| Cirsium muticum | Swamp Thistle | Native OBL (NWPL) S1 (State Rank) G5 (Global Rank) | ||
| Cirsium nuttallii | Nuttall's Thistle; Coastal Tall Thistle | Native FAC (NWPL) | ||
| Cirsium vulgare | Bull Thistle; Common Thistle | Not Native FAC (NWPL) |
Identification Key
No identification key is available for this family.
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||