Flora of the Southeastern United States

Tripsacum dactyloides (Linnaeus) Linnaeus var. dactyloides. Common name: Gama Grass. Phenology: Mar-Dec. Habitat: Roadsides, moist areas, disturbed areas, moist riverbanks. This important species of moist and wetland areas in the Great Plains is generally seen in disturbed habitats in the eastern part of our region; its original habitats in various parts of our area are poorly understood, and it may not be truly native in the easternmost Southeast. Distribution: Tripsacum dactyloides is widespread in e. North America north to Massachusetts, Michigan (where adventive), Iowa, and Nebraska, ranging south into tropical Central and South America; var. dactyloides is North American.

Origin/Endemic status: Native

Synonymy ⓘ: = FNA25, NSProv, NY, Va, DeWet, Harlan, & Brink (1982); Coix dactyloides L.; < Tripsacum dactyloides (L.) L. — Bah, C, ETx1, FlGr, G, Il, K1, K4, Mex, Mi, Mo1, NcTx, NE, NS, Pa, POWO, RAB, S, S13, Tat, Tn, Tx, W, WH3, WV; > Tripsacum dactyloides (L.) L. var. dactyloides — F, HC; > Tripsacum dactyloides (L.) L. var. occidentale Cutler & Anderson — F, HC. Basionym: Coix dactyloides L. 1753

Links to other floras: = Tripsacum dactyloides var. dactyloides - FNA25

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FAC (name change)
• Eastern Mountains and Piedmont: FACW (name change)
• Great Plains: FAC (name change)
• Midwest: FAC (name change)
• Northcentral & Northeast: FAC (name change)

Heliophily ⓘ: 8