[Members of the Sunflower Family with Discoid Flower Heads Found West of the Cascade Mountains]

Burdocks West of the Cascade Mountains of Oregon and Washington

The Genus Arctium

Common Burdock, Lesser Burdock, Lesser Burrdock: Arctium minus

Common burdock as seen along one of the forested trails at the Sandy River Delta, Troutdale, Oregon...........September 8, 2012.

Basal leaves of Common Burdock, Lesser Burdock, Lesser Burrdock: Arctium minus

Basal leaves of common burdock as seen along the Angels Rest Trail in the Columbia River Gorge.........May 18, 2009.

Great Burdock, Greater Burdock: Arctium lappa -

Common Burdock, Lesser Burdock: Arctium minus -

Cotton Burdock, Woolly Burdock: Arctium tomentosum -

Paul Slichter E-mail