Lambsquarters, Lamb's Quarters, Pigweed
Chenopodium album
Synonyms: Chenopodium album var. album, Chenopodium album var. lanceolatum, Chenopodium album var. missouriense, Chenopodium album var. polymorphum, Chenopodium album var. stevensii, Chenopodium amaranticolor, Chenopodium giganteum, Chenopodium lanceolatum, Chenopodium suecicum
Lambsquarters growing on a muddy bank along a slough that extends from the Sandy River northeast to the east side of the Sandy River delta, western Columbia River Gorge........September 29, 2012.
Paul Slichter