Dichanthelium meridionale (Ashe) Freckmann. Matting Witchgrass. Phen: May-Oct. Hab: Dry to damp sand of shores and woods. Dist: Sw. NS and MA to MN, south to e. NC, n. GA, and n. AL.

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

Origin/Endemic status: Native

Synonymy: = K1, Mi, NY, Pa, Va, Freckmann (1981); = Dichanthelium acuminatum (Sw.) Gould & C.A.Clark ssp. implicatum (Scribn. ex Nash) Freckmann & Lelong – FNA25; = Dichanthelium implicatum (Scribn. ex Nash) Kerguélen – Mi; = Panicum acuminatum Sw. var. implicatum (Scribn.) Beetle, misapplied; = Panicum meridionale Ashe – G; < Dichanthelium acuminatum (Sw.) Gould & C.A.Clark – K4; < Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum – K3; < Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. implicatum (Scribn.) Gould & Clark – Gould & Clark (1978); > Dichanthelium albemarlense (Nash) Mohlenbr. – Il; < Panicum acuminatum Sw. var. unciphyllum (Trin.) Lelong – Lelong (1984); > Panicum albemarlense Ashe – HC, S, WV; > Panicum columbianum Scribn. var. thinium Hitchc. & Chase – HC; < Panicum lanuginosum Elliott – RAB; < Panicum leucothrix Nash – C; > Panicum meridionale Ashe – HC, S, WV; > Panicum meridionale Ashe var. albemarlense (Ashe) Fernald – F; > Panicum meridionale Ashe var. meridionale – F; > Panicum oricola Hitchc. & Chase – HC

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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: 6