Tripsacum floridanum is a species of grass known by the common name Florida gamagrass. It is native to Cuba and to Florida in the United States. This grass grows from a short, thick rhizome and produces stems up to a meter tall. It may produce one stem or a small clump of stems. The leaves are up to 60 centimeters long and 1 to 15 millimeters wide. The inflorescence contains both male and female spikelets. This grass grows in pine woods, often in moist areas. It often grows near Pinus elliottii var. densa. Though uncommon in general, the grass is "moderately common in Everglades National Park."