[Sow Thistles: The Genus Sonchus West of the Cascade Mountains of Oregon and Washington]

Annual Sow Thistle, Common Sowthistle, Common Sow Thistle, Common Sow-thistle

Sonchus oleraceous

Annual Sow Thistle, Common Sowthistle, Common Sow Thistle, Common Sow-thistle: Sonchus oleraceus

What appears to be annual sow thistle as seen at the North Spit Boat Launch (BLM), Coos Bay, Oregon.........April 20, 2016.

Annual Sow Thistle, Common Sowthistle, Common Sow Thistle, Common Sow-thistle: Sonchus oleraceus - Annual Sow Thistle, Common Sowthistle, Common Sow Thistle, Common Sow-thistle: Sonchus oleraceus

Annual Sow Thistle, Common Sowthistle, Common Sow Thistle, Common Sow-thistle: Sonchus oleraceus

Annual Sow Thistle, Common Sowthistle, Common Sow Thistle, Common Sow-thistle: Sonchus oleraceus - Annual Sow Thistle, Common Sowthistle, Common Sow Thistle, Common Sow-thistle: Sonchus oleraceus

Annual sow thistle observed along North Cleveland Avenue just north of Division Street, Gresham, Oregon......May 5, 2020.

Annual Sow Thistle, Common Sowthistle, Common Sow Thistle, Common Sow-thistle: Sonchus oleraceus


Paul Slichter