[Members of the Sunflower Family with Dandylion-like Flower Heads in the Southwestern Deserts of the United States]

Sow Thistles of the Mountains and Deserts of the American Southwest

The Genus Sonchus

Common Sow Thistle, Comon Sowthistle, Sow Thistle: Sonchus oleraceus

Common Sow Thistle: Sonchus oleraceus

Prickly Sow Thistle, Sow Thistle: Sonchus asper ssp. asper

Common Sow Thistle, Comon Sowthistle, Sow Thistle: Sonchus oleraceus

Paul Slichter E-mail