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Slough Thistle

Cirsium crassicaule (Greene) Jepson

Cirsium crassicaule (Slough Thistle) is a species of annual herb in the family Asteraceae. They are native to The Contiguous United States. They have achenes. Flowers are visited by Common Eastern Bumblebee, Melissodes bimaculatus, Southern Plains Bumble Bee, and Ptilothrix bombiformis.

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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 14 attributes, including:

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