[Wildflowers of the Sunflower Family with Discoid Flower Heads in the Columbia River Gorge of Oregon and Washington]

Burdocks of the Columbia River Gorge of Oregon and Washington

The Genus Arctium

Common Burdock, Lesser Burdock, Small Burdock: Arctium minus (Synonym: Lappa minor)

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)


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