Dichanthelium roanokense (Ashe) LeBlond. Roanoke Witchgrass. Phen: May-Sep. Hab: Wet pine savannas, swamp openings, and wet peaty meadows. Dist: DE south to FL, west to e. TX; disjunct in Coffee County, TN (Ciafré & Estes 2022); Jamaica.
Origin/Endemic status: Native
Taxonomy Comments: See note under D. caerulescens regarding FNA treatment.
Synonymy: = Ciafré & Estes (2022), LeBlond (2017a) in Weakley et al (2017), LeBlond (2017c) in Weakley et al (2017), LeBlond et al (2017); = Dichanthelium dichotomum (L.) Gould var. roanokense (Ashe) LeBlond – Va, LeBlond (2001a); = Panicum roanokense Ashe – F, HC, S, SFla; < Dichanthelium dichotomum (L.) Gould ssp. roanokense (Ashe) Freckmann & Lelong – FNA25; < Dichanthelium dichotomum (L.) Gould var. dichotomum – K1, K3, K4, Gould & Clark (1978); < Panicum dichotomum L. – C, GW1, NcTx, RAB; < Panicum dichotomum L. var. roanokense (Ashe) Lelong – Lelong (1984); < Panicum roanokense Ashe – G
Heliophily: 8
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