Callitriche palustris Linnaeus. Swamp Water-starwort. Phen: Mar-Sep. Hab: Ponds, lakes, stagnant streams, wet soil. Dist: Circumboreal, in North America south to VA, WV, IL, TX, and CA; South America.
Origin/Endemic status: Native
Syn: = C, F, FNA17, K1, K3, K4, Mi, Mo3, NcTx, NE, NY, Pa, S, Va, Lansdown (2009); = Callitriche verna – G, GrPl, Il, Tx, W, Crow & Hellquist (2000a), Fassett (1951)
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