Parthenium hysterophorus Linnaeus. Section: Parthenium. Santa Maria, Feverfew, Gajarghass, Congress Grass. Phen: Jul-Nov. Hab: Disturbed areas. Dist: Native of tropical America, including the West Indies.
Origin/Endemic status: Neotropics
Synonymy: = Ar, Bah, C, F, Fl7, FNA21, G, GrPl, Il, K1, K3, K4, Mi, Mo2, NcTx, NE, NY, Oh3, Pa, S, SE1, Tat, Tx, WH3, Rollins (1950); = n/a – RAB
Wetland Indicator Status:
Heliophily: 9
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