Bidens bidentoides (Nuttall) Britton. Phen: Aug-Sep. Hab: Tidal shores and mudflats. Dist: NY south to se. PA, DE, and e. MD.
Origin/Endemic status: Native
Synonymy: = C, FNA21, G, K1, K3, K4, NY, Pa; > Bidens bidentoides (Nutt.) Britton – F; > Bidens bidentoides (Nutt.) Britton var. bidentoides – Sherff & Alexander (1955); > Bidens bidentoides (Nutt.) Britton var. mariana – Sherff & Alexander (1955); > Bidens mariana Blake – F
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