| Andropogon flavescens J. Presl, 1830 |
| Andropogon flexilis Bosc ex Poir., 1810 |
| Andropogon floridus Trin., 1832 |
| Andropogon francavilleanus E. Fourn., 1886 |
| Andropogon fulvicomus Hochst. ex A. Rich., 1850 |
| Andropogon fulvicomus var. approximatus Hochst., 1842 |
| Andropogon furcatus Muhl. ex Willd., 1806 |
| Andropogon galeottii E. Fourn., 1886 |
| Andropogon garipensis Steud., 1854 |
| Andropogon gaumeri (Nash) Hitchc., 1913 |
| Andropogon gayanus Kunth, 1833 |
| Andropogon geminatus Hack. ex Beal, 1896 |
| Andropogon gerardi Vitman, 1792 |
| Andropogon gerardi subsp. hallii (Hack.) Wipff, 1996 |
| Andropogon gerardi subsp. x chrysocomus (Nash) Wipff, 1996 |
| Andropogon gerardi var. gerardi Vitman, 1792 |
| Andropogon giganteus Ten., 1836 |
| Andropogon glaber (Pers.) Raspail, 1825 |
| Andropogon glabratus Trin. ex E. Fourn., 1886 |
| Andropogon glaucescens Schltdl. ex Hack., 1889 |