Dichanthelium columbianum (Lamson-Scribner) Freckmann. American Witchgrass. Phen: Jun-Oct. Hab: Dry to moist thin woods and open ground, usually in sandy soil. Dist: S. ME, s. ON, and WI south to GA, TN, and IL.

Origin/Endemic status: Native

Synonymy ⓘ: = Mi, NY, Pa, Va; = Dichanthelium acuminatum (Sw.) Gould & C.A.Clark ssp. columbianum (Scribn.) Freckmann & Lelong – FNA25; = Panicum columbianum Scribn. – C, G, RAB, WV; < Dichanthelium portoricense (Desv. ex Ham.) B.F.Hansen & Wunderlin – K3, K4; < Dichanthelium sabulorum (Lam.) Gould & Clark var. thinium (Hitchc. & Chase) Gould & Clark – K1, Gould & Clark (1978); < Panicum acuminatum Sw. var. unciphyllum (Trin.) Lelong – Lelong (1984); > Panicum columbianum Scribn. – S; > Panicum columbianum Scribn. var. columbianum – F, HC; > Panicum columbianum Scribn. var. oricola (Hitchc. & Chase) Fernald – F; > Panicum tsugetorum Nash – HC, S

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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 ⓘ: 6