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) -
Berlandier's Pigweed, Lamb's Quarters, Pitseed Goosefoot: Chenopodium berlandieri var. zschackei (Synonyms: Chenopodium berlandieri ssp. zschackei, Chenopodium zschackei) -
Low Goosefoot, Red Goosefoot: Chenopodium chenopodiodes (Synonyms: Blitum chenopodioides, Chenopodium botryodes, Chenopodium chenopodioides, Chenopodium chenopodioides var. degenianum, Chenopodium chenopodioides var. lengyelianum, Chenopodium humile, Chenopodium rubrum var. glomeratum, Chenopodium rubrum var. humile, Oxybasis chenopodioides) -
Fremont's Goosefoot: Chenopodium fremontii (Synonym: Chenopodium fremontii var. fremontii) - Not verified, but suspected in the east end of the Columbia River Gorge from the John Day and Deschutes Rivers west to The Dalles.
Oakleaf Goosefoot, Oak-leaf Goosefoot, Rocky Mountain Goosefoot: Chenopodium glaucum (Synonyms: Chenopodium glaucum ssp. euglaucum, Chenopodium glaucum var. glaucum,Chenopodium glaucum ssp. salinum, Chenopodium glaucum var. salinum, Chenopodium slainum, Oxybasis glauca ssp. glauca) -
Narrowleaf Goosefoot, Slimleaf Goosefoot: Chenopodium leptophyllum (Synonyms: Chenopodium album var. leptophyllum, Chenopodium leptophyllum var. leptophyllum) -
Desert Goosefoot, Narrowleaf Goosefoot: Chenopodium pratericola (Synonym: Chenopodium desiccatum var. leptophylloides) -
Australian Goosefoot, Clammy Goosefoot, Small Crumbweed: Chenopodium pumilio (Synonyms: Chenopodium carinatum, Dysphania pumilio, Teloxys pumilio) -
Low Red Goosefoot, Low Red Pigweed, Marshland Goosefoot: Chenopodium rubrum var. humile (Synonyms: Chenopodium humile, Chenopodium rubrum ssp. humile, Oxybasis rubra var. humilis) -
Red Goosefoot: Chenopodium rubrum var. rubrum -
Lateflowering Goosefoot: Chenopodium strictum var. glaucophyllum -
Epazonte, Mexican Tea, Wormseed: Dysphania ambrosioides ambrosioides (Synonyms: Ambrina ambrosioides, Chenopodium ambrosioides, Chenopodium ambrosioides ssp. euambrosioides, Chenopodium ambrosioides var. ambrosioides, Chenopodium ambrosioides var. anthelminticum, Chenopodium ambrosioides var. chilense, Chenopodium ambrosioides var. typicum, Chenopodium ambrosioides var. vagans, Chenopodium obovatum, Chenopodium retusum, Teloxys ambrosioides, Teloxys vagans) -
Feather Geranium, Jerusalem Oak, Jerusalem Oak Goosefoot: Dysphania botrys (Synonyms: Botrydium botrys, Chenopodium botrys, Teloxys botrys) -