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Dichanthelium leucothrix (Nash) Freckmann. Roughish Witchgrass. Phen: May-Oct. Hab: Wet sandy, peaty, or mucky soil of pinelands and depression marshes. Dist: S. NJ south to FL, west to TX, also in TN; West Indies and n. South America.

Origin/Endemic status: Native

Other Comments: A micrometer is needed to measure the very short puberulence (0.1 mm) that distinguishes this taxon, D. meridionale, and D. wrightianum from other members of the D. acuminatum group.

Synonymy: = K1, Freckmann (1981); = Dichanthelium acuminatum (Sw.) Gould & C.A.Clark ssp. leucothrix (Nash) Freckmann & Lelong – FNA25; = Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. leucothrix (Nash) Lelong; = Panicum acuminatum Sw. var. leucothrix (Nash) Lelong – Lelong (1984); = Panicum leucothrix Nash – F, G, HC, RAB, S; = Panicum spretum Schult. var. leucothrix (Nash) D.B.Ward; < Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. implicatum (Scribn.) Gould & Clark – Gould & Clark (1978); < Dichanthelium leucothrix (Nash) Freckmann – K3, K4; < Panicum implicatum Sw.; < Panicum leucothrix Nash – C; < Panicum spretum Schult. – GW1

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Wetland Indicator Status:

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

Heliophily ?: 8

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image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷

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