Triplasis purpurea (Walter) Chapman var. purpurea . Purple Sandgrass. Phen: (May-) Aug-Oct (-Nov). Hab: Dunes, maritime dry grasslands, open sandy areas. Dist: NH south to s. FL, and west to TX and e. Mexico (TAB, VER), along the coast; also around the Great Lakes, and in central United States.
Origin/Endemic status: Native
Syn: = Ar, FNA25, Mo1, NE, NY, Va; > Triplasis intermedia Nash – S; < Triplasis purpurea (Walter) Chapm. – C, ETx1, F, FlGr, G, HC, Il, K1, K3, K4, Mex, Mi, NcTx, Pa, RAB, Tn, Tx, WH3; > Triplasis purpurea (Walter) Chapm. – S