– 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.
Balds, prairies, forest edge, stream banks, roadsides, fields, and other disturbed open areas generally at low elevations, often where moist.
Introduced from Europe
– corn sow-thistle, field sow-thistle, perennial sow-thistle
– field sow-thistle, marsh sow-thistle, wet ground sow-thistle