Burdocks of the Columbia River Gorge of Oregon and Washington
The Genus Arctium
Common burdock as seen along one of the forested trails at the Sandy River Delta, Troutdale, Oregon...........September 8, 2012.
Great Burdock, Greater Burdock: Arctium lappa (Synonym: Lappa major)
Common Burdock, Lesser Burdock, Small Burdock: Arctium minus (Synonym: Lappa minor)