Publication: Ess. Agrostogr. 51, 171, 178. 1812.
Origin: Introduced from Eurasia
Herbarium search: CPNWH
Notes: FNA25: "Setaria viridis var. viridis is an aggressive adventive weed throughout temperate North America. It is the most common annual representative of Setaria in the Flora region."
Last updated 1/6/2024 by David Giblin.