Chih-Yi Chang, Hsy-Yu Tzeng, Yen-Hsueh Tseng   cc-by-3.0

Cirsium (Thistle) is a genus of herb in the family Asteraceae. They are native to North America, The Contiguous United States, Greenland, Alaska, Puerto Rico, Canada, and Saint-Pierre Et Miquelon. They have achenes.

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  • URI: http://purl.obolibrary.org/obo/PO_0030107
  • Definition: a fruit which develops from a carpel or gyneocium and at maturity comprises a dry exocarp, a dry mesocarp, and a dry endocarp that are connected to a seed coat by a funicle
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EOL has data for 15 attributes, including:

Known occurrences, collected specimens and observations of thistle. View this species on GBIF