Galium obtusum Bigelow var. obtusum . Bluntleaf Bedstraw. Phen: Apr-Jul. Hab: Marshes, swamps. Dist: NS west to SD, south to FL and TX.
Origin/Endemic status: Native
Syn: = C, F, RAB, W; = Galium obtusum ssp. obtusum – K3, K4, Mo3, NE; = Galium tinctorium – S, misapplied; < Galium obtusum – Ar, GW2, Il, Mi, NcTx, Pa, Tn, Tx, Va, WV; > Galium obtusum "ssp. australe" – K1, Puff (1976); > Galium obtusum ssp. obtusum – K1, NY, Puff (1976), Puff (1977); > Galium obtusum var. obtusum – G, GrPl; > Galium obtusum var. ramosum – G, GrPl
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