Dichanthelium scribnerianum (Nash) J.R. Thomas. Scribner's Witchgrass. Phen: Apr-Nov. Hab: Black belt prairies, calcareous clay prairies, prairie-like grassland remnants over fragipan soils in the loess plains, calcareous maritime forests, dry thin woods and openings, dry prairies, usually in basic soil. Dist: Sw. ME to s. BC, south to se. NC, n. GA, and CA, also in n. Mexico.

Origin/Endemic status: Native

Synonymy: = Il; = Dichanthelium oligosanthes (Schult.) Gould ssp. scribnerianum (Nash) Freckmann & Lelong – FNA25, Mi, NY; = Dichanthelium oligosanthes (Schult.) Gould var. scribnerianum (Nash) Gould – K1, Va, Gould & Clark (1978); = Panicum oligosanthes Schult. var. scribnerianum (Nash) Fernald – NcTx; = Panicum scribnerianum Nash – S; > Dichanthelium helleri (Nash) Mohlenbr. – Thomas (2021); < Dichanthelium oligosanthes (Schult.) Gould – K3, K4, Mex, Pa; > Dichanthelium scribnerianum (Nash) J.R.Thomas – Thomas (2021); > Panicum helleri – G, HC; < Panicum oligosanthes Schult. – C, RAB; > Panicum oligosanthes Schult. – G; > Panicum oligosanthes Schult. var. helleri (Nash) Fernald – F; > Panicum oligosanthes Schult. var. scribnerianum (Nash) Fernald – F; > Panicum scribnerianum Nash – HC

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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: FACU (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