Polygonum douglasii
Scientific Name Polygonum douglasii Greene Family Polygonaceae Common Names Douglas’ knotweed, Douglas’s knotweed Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
Polygonaceae
Polygonum majus
Scientific Name Polygonum majus (Meisn.) Piper Family Polygonaceae Common Names Palouse knotweed, wiry knotweed Eastern Washington Native Synonyms None Conservation Status Notes Click on any image to enlarge it.
Rumex maritimus ssp. fueginus
Scientific Name Rumex maritimus L. ssp. fueginus (Phil.) Hultén Family Polygonaceae Common Names American golden or Tierra del Fuego dock Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
Rumex occidentalis var. occidentalis
Scientific Name Rumex occidentalis S. Watson var. occidentalis Family Polygonaceae Common Names western dock, western dock Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
Bistorta bistortoides
Scientific Name Bistorta bistortoides (Pursh) Small Family Polygonaceae Common Names American bistort, western bistort Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
Eriogonum vimineum
Scientific Name Eriogonum vimineum Douglas ex Benth. Family Polygonaceae Common Names broom buchwheat Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
Eriogonum niveum
Scientific Name Eriogonum niveum Dougl. Family Polygonaceae Common Names snow buckwheat Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
