Dichanthelium dichotomum (Linnaeus) Gould var. dichotomum . Forked Witchgrass. Phen: May-Oct. Hab: Wet-mesic to dry woods, thickets, and woodland openings. Dist: S. Canada and MI south to FL and TX.

Origin/Endemic status: Native

Taxonomy Comments: Plants with bearded nodes and larger leaves are referable to Panicum dichotomum var. barbulatum (here included) but intermediates abound.

Synonymy ⓘ: = Va, Freckmann et al. (2008), LeBlond (2001a); Dichanthelium dichotomum (L.) Gould var. barbulatum (Michx.) Mohlenbr. – Il; = Dichanthelium dichotomum (L.) Gould ssp. dichotomum – FNA25, NY; = Panicum dichotomum L. – G; = Panicum dichotomum L. var. dichotomum – Lelong (1984); < Dichanthelium dichotomum (L.) Gould – Pa; < Dichanthelium dichotomum (L.) Gould var. dichotomum – K1, K3, Gould & Clark (1978); > Dichanthelium dichotomum (L.) Gould var. dichotomum – Il; > Panicum barbulatum Michx. – HC, S; < Panicum dichotomum L. – C, GW1, NcTx, RAB; > Panicum dichotomum L. – HC, S; > Panicum dichotomum L. var. barbulatum (Michx.) Wood – F, WV; > Panicum dichotomum L. var. dichotomum – F, WV

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Wetland Indicator Status:

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

Heliophily ⓘ: 5