Callitriche hermaphroditica Linnaeus. Autumn Water-starwort. Phen: Jul-Sep (-Nov). Hab: Lakes, ponds, ditches. Dist: Greenland, NL, and AK south to CT, NY, IL, KS, NM, AZ, and CA; Eurasia.
Origin/Endemic status: Native
Syn: = FNA17, GrPl, K3, K4, Mi, NE, NY
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