SimplePlant

Asteraceae

Fish Lake thistle

Cirsium clavatum (M.E.Jones) Petr.

Family
Asteraceae
Genus
Cirsium

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Fish Lake thistle: Cirsium clavatum var. osterhoutii at Clinton Gulch Dam Reservoir; Colorado, USA
Photo: Kenraiz, CC BY-SA 4.0, from Wikimedia Commons

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Common names

By language (1)
English
Fish Lake thistle

Synonyms

  • Cirsium clavatum var. markaguntensis S.L.Welsh
  • Cnicus clavatus M.E.Jones

Characteristics

Growth habit
Forb/herb
Lifespan
Perennial
In the US and Canada
Lower 48 states: native

Photos

More in Cirsium

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.