[The Buckwheat Family West of the Cascade Mountains]
Knotweeds West of the Cascade Mountains of Oregon and Washington

The Genus Aconogonon

 

 

Davis's Knotweed, Cascade Knotweed: Aconogonon davisiae var. davisiae (formerly Polygonum newberryi) -

Pokeweed Fleeceflower, Alpine Knotweed, Jimson Knotweed: Aconogonon phytolaccifolium var. phytolaccifolium (formerly Polygonum phytolaccifolium) -

Paul Slichter E-mail