| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
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| Poaceae | Sorghastrum apalachicolense | Apalachicola Indiangrass, Open Indiangrass | Pine flatwoods and longleaf pine sandhills. | Panhandle FL west to s. MS (Sorrie & Leonard 1999). It may well occur as well in GA. | 
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| Poaceae | Sorghastrum elliottii | Slender Indiangrass | Woodlands and forests, river-scour areas, including oak-hickory forests and woodlands over mafic rocks. | MD south to FL and west to TX, inland to TN, AR, and OK, mainly on the Coastal Plain, but extending inland to other physiographic provinces. | 
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| Poaceae | Sorghastrum nutans | Yellow Indiangrass | Xeric and mesic woodlands and forests of a wide variety, prairies, barrens, powerline rights-of-way, roadbanks. Along with Andropogon gerardi, Schizachyrium scoparium, and Panicum virgatum, Sorghastrum nutans is one of the dominant grasses of the tall-grass prairie. It is also common in a variety of open habitats (natural and altered) in the forested landscape of eastern North America. | ME and QC west to s. MB, south to c. peninsular FL, TX, UT, AZ, and s. Mexico. | 
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| Poaceae | Sorghastrum secundum | Lopsided Indiangrass | Longleaf pine sandhills, Florida dry prairies, pine rocklands. | S. SC south to s. FL and west to s. AL (Sorrie & Leonard 1999); n. Bahamas. | 
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