Dichanthelium tenue (Muhlenberg) Freckmann & Lelong. White-edged Witchgrass. Phen: May-Oct. Hab: Wet peaty or sandy soil of pineland savannas, flatwoods, bogs, and meadows. Dist: NJ south to FL, west to TX; Central America; West Indies (Cuba).

Origin/Endemic status: Native

Other Comments: This treatment of D. tenue includes plants from n. Alabama formerly recognized as Panicum concinnius, with spikelets 1.2-1.4 mm long but otherwise possessing the characters of D. tenue.

Synonymy: = FNA25, Va, LeBlond (2018b) in Weakley et al (2018a); = Panicum tenue Muhl. – C, RAB; > Dichanthelium albomarginatum (Nash) Wipff – Wipff (2020); > Dichanthelium concinnius (Hitchc. & Chase) Wipff – Wipff (2020); < Dichanthelium dichotomum (L.) Gould var. tenue (Muhl.) Gould & Clark – K1, K3, K4, Gould & Clark (1978); < Dichanthelium ensifolium (Baldwin ex Elliott) Gould var. unciphyllum – WH3; > Dichanthelium trifolium (Nash) Wipff – Wipff (2020); > Panicum albomarginatum Nash – F, HC, S; > Panicum concinnius Hitchc. & Chase – HC, S; < Panicum ensifolium Baldwin ex Elliott – G; > Panicum tenue Muhl. – F, HC, S; > Panicum trifolium Nash – F, G, HC, S

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