Callitriche peploides Nuttall. Phen: (Jan-) Feb-Apr (-Jun). Hab: Low fields, ditches. Dist: SC south to s. FL, west to TX; disjunct inland in AR (the report for Polk Co., TN erroneous); e. Mexico south to Costa Rica.
Origin/Endemic status: Native
Syn: = Ar, Fl6, FNA17, GW2, K1, K3, K4, NcTx, RAB, S, Tx, WH3, Lansdown (2009); > Callitriche peploides var. peploides – Fassett (1951)