Cirsium
thistle
Specimens
Photos
Origin: Native
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Cirsium
Publication: Gard. Dict. Abr. ed. 4. vol. 1. 1754.
Publication: Gard. Dict. Abr. ed. 4. vol. 1. 1754.
Synonyms & Misapplications:
(none provided)
Species in Cirsium:
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Cirsium arvense – Canadian thistle, creepiing thistle
Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast. -
Cirsium brevifolium – Palouse thistle Occurring east of the Cascades crest in eastern and southeastern Washington; eastern Washington to northeast Oregon and adjacent Idaho.
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Cirsium brevistylum – clustered thistle, short-styled thistle Occurring on both sides of the Cascades crest in Washington; British Columbia to northern California, east to Montana.
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Cirsium edule – edible thistle Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon.
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var. edule – edible thistle, Indian thistle, Macoun's thistle Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon.
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var. wenatchense – Wenatchee thistle Occurring east of the Cascades crest in central Washington, where endemic to the Wenatchee Mountains in Chelan and Kittitas counties.
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Cirsium flodmanii – Flodman's thistle British Columbia to north-central Washington,south in the Rocky Mountains from Alberta, east to the Great Plains and Great Lakes region.
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Cirsium hookerianum – Hooker's thistle, white thistle Occurring east of the Cascades crest in Washington; British Columbia to Washington, east to Alberta, Montana, and Wyoming.
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Cirsium inamoenum – Greene's thistle Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to California, east to Idaho, Wyoming, and Utah.
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var. inamoenum – Greene's thistle Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to California, east to Idaho, Wyoming, and Utah.
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Cirsium remotifolium – few-leaf thistle, Pacific fringed thistle, remote-leaved thistle, weak thistle Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; Washington to California.
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Cirsium scariosum – elk thistle, meadow thistle Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
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Cirsium undulatum – wavy leaf thistle Occurring east of the Cascades crest in Washington; British Columbia to California, east to Michigan and Texas.
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Cirsium vulgare – bull thistle, common thistle Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to the Atlantic Coast.
Additional Resources:
PNW Herbaria: Specimen records of Cirsium in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Cirsium checklist entry.
OregonFlora: Cirsium information.
E-Flora BC: Cirsium atlas page.
CalPhotos: Cirsium photos.
USDA Plants: Cirsium information.
336 photographs:
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