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. Distribution: Tripsacum dactyloides is widespread in e. North America north to MA, MI (where adventive), IA, and NE, ranging south into tropical Central and South America; var. dactyloides is North American. 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.

Origin/Endemic status: Native

Synonymy ⓘ: = FNA25, NY, Va, DeWet, Harlan, & Brink (1982); Coix dactyloides L. < Tripsacum dactyloides (L.) L. — Bah, C, ETx1, FlGr, G, Il, K4, Mex, Mi, Mo1, NcTx, NE, Pa, 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