Chenopodium album Linnaeus var. album . Lamb's-quarters, Pigweed. Phen: Jun-Nov. Hab: Disturbed soils, gardens. Dist: Even with the 'missouriense' entity removed, Chenopodium album var. album likely includes both native and alien races and is now distributed nearly worldwide.

Origin/Endemic status: Native

Synonymy: = K1, K3, K4, Tn, Bassett & Crompton (1982), Wahl (1954); = Chenopodium album L. – F, Il, NcTx, Pa, Tx; > Chenopodium albescens Small – Tx; < Chenopodium album L. – Ar, Bah, FNA4, G, Mi, NE, NY, Ok, Pa, RAB, W, WH3; > Chenopodium album L. – C; > Chenopodium giganteum Don – Tx, Wahl (1954); > Chenopodium opulentum Schrad. – C

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