Dichanthelium portoricense (Desvaux ex Hamilton) B.F. Hansen & Wunderlin ssp. patulum (Lamson-Scribner & Merrill) Freckmann & Lelong. Nash's Witchgrass. Phen: May-Sep. Hab: Moist pine savannas and flatwoods, moist to dry openings in maritime forests, dry pine and oak sandhills. Dist: Se. VA to FL, west to e. TX; West Indies and Central America.

Origin/Endemic status: Native

Other Comments: This and D. portoricense ssp. portoricense appear to intergrade in our region.

Synonymy: = Va; = Panicum lancearium Trin. – C, G, RAB; > Dichanthelium patulum (Scribn. & Merr.) Wipff – Wipff (2020); < Dichanthelium portoricense (Desv. ex Ham.) B.F.Hansen & Wunderlin – K3, K4; < Dichanthelium portoricense (Desv. ex Ham.) B.F.Hansen & Wunderlin ssp. patulum (Scribn. & Merr.) Freckmann & Lelong – FNA25; < Dichanthelium sabulorum (Lam.) Gould & Clark var. patulum (Scribn. & Merr.) Gould & Clark – K1, Gould & Clark (1978); > Panicum lancearium Trin. – HC, S, SFla; > Panicum lancearium Trin. var. lancearium – F; > Panicum lancearium Trin. var. patulum (Scribn. & Merr.) Fernald – F; > Panicum nashianum Scribn.; > Panicum patentifolium Nash – S, SFla; > Panicum patulum (Scribn. & Merr.) Hitchc. – HC, S; < Panicum portoricense Desv. ex Ham. var. nashianum (Scribn.) Lelong – Lelong (1984)

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACU (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: FACU (taxonomic split from wetland indicator species)
• Great Plains: FAC (taxonomic split from wetland indicator species)
• Midwest: FACU (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily: 8