Sonchus
sow-thistle
Specimens
Photos
Origin: Introduced
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Sonchus
Publication: Sp. Pl. 2: 793. 1753; Gen. Pl. ed. 5, 347. 1754.
Publication: Sp. Pl. 2: 793. 1753; Gen. Pl. ed. 5, 347. 1754.
Synonyms & Misapplications:
(none provided)
Species in Sonchus:
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Sonchus arvensis – field sow-thistle, perennial sow-thistle
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast. -
ssp. arvensis – corn sow-thistle, field sow-thistle, perennial sow-thistle Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
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ssp. uliginosus – field sow-thistle, marsh sow-thistle, wet ground sow-thistle Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
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Sonchus asper – prickly sow-thistle, spiny leaf sow-thistle Occurring on both sides of the Cascades crest in Washington, but more common west of the crest; Alaska to California, east to the Atlantic Coast.
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ssp. asper – prickly sow-thistle Occurring on both sides of the Cascades crest in Washington, but more common west of the crest; Alaska to California, east to the Atlantic Coast.
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Sonchus oleraceus – common sow-thistle Occurring on both sides of the Cascades crest in Washington, but more common west of the crest; Alaska to California, east across North America to the Atlantic Coast.
Additional Resources:
PNW Herbaria: Specimen records of Sonchus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Sonchus checklist entry
OregonFlora: Sonchus information
E-Flora BC: Sonchus atlas page
CalPhotos: Sonchus photos
125 photographs:
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