Ambrosia cheiranthifolia A. Gray. Rio Grande Ragweed. Phen: Jun-Nov. Hab: Seasonally saturated clay prairies. Dist: S. TX and ne. Mexico (COA, TAM).
Origin/Endemic status: Native
Synonymy: = FNA21, K4, Mex, Tx
Hover over a shape, letter, icon, or arrow on the map to see what it means.