Dichanthelium commutatum (J.A. Schultes) Gould ssp. joorii (Vasey) Freckmann & Lelong. Sprawling Witchgrass. Phen: May-Oct. Hab: Wet to swampy woodlands, sandy riparian areas. Dist: VA south to FL, west to TX; Mexico.
Origin/Endemic status: Native
Taxonomy Comments: Plants intermediate to ssp. commutatum are frequent, but recognition may be warranted in some areas.
Synonymy: = FNA25; = Panicum commutatum Schult. var. joorii (Vasey) Fernald – F; = Panicum joorii Vasey – HC, S; < Dichanthelium commutatum (Schult.) Gould – FlGr, K1, K3, K4, Mex, WH3; < Panicum commutatum Schult. – C, RAB, Tx; < Panicum commutatum Schult. var. commutatum – G
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