Dichanthelium bicknellii (Nash) LeBlond. Bicknell’s Witch Grass. Phen: Apr.-Nov. Hab: Shaded to open woodlands, sometimes on shale in the Piedmont and Mountains, and sandy soils of the Coastal Plain. Drier soils appear to be characteristic, but it has also been found on moist soils. Dist: CT to MI, s. to n. GA and n. LA, w. to MO and AR.

ID notes: Dichanthelium bicknellii is distinguished by blades 20× or more as long as wide, increasing in length on the culm distally, and with a usually strongly scabrous adaxial surface.

Origin/Endemic status: Native

Synonymy: = NY, LeBlond (2016); = Panicum bicknellii Nash – F, HC, RAB, S; = Panicum bicknellii Nash var. bicknellii – G; < Dichanthelium boreale (Nash) Freckmann – FNA25, K1, K3, K4, Pa, Gould & Clark (1978); > Panicum bicknellii Nash var. calliphyllum (Ashe) Gleason; < Panicum boreale Nash – C; > Panicum calliphyllum Ashe

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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: FAC (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FAC (taxonomic split from wetland indicator species)

Heliophily ?: 6