| Andropogon leucostachyus Kunth, 1815 |
| Andropogon leucostachyus subsp. genuinus Hack., 1889 |
| Andropogon leucostachyus subsp. selloanus Hack., 1889 |
| Andropogon leucostachyus var. subvillosus Hack., 1889 |
| Andropogon leucostachyus var. subvillosus subvar. mas Hack., 1889 |
| Andropogon leucostachyus var. subvillosus subvar. typicus Hack., 1877 |
| Andropogon lhotskyi Steud., 1854 |
| Andropogon lhotzkyi Steud. ex E. Fourn., 1886 |
| Andropogon liebmannii Hack., 1885 |
| Andropogon ligularis (Nees) Kunth, 1833 |
| Andropogon lima (Hack.) Stapf, 1919 |
| Andropogon lindenii Steud., 1854 |
| Andropogon linnaeanus (Hack.) Scribn. & Kearney, 1901 |
| Andropogon littoralis Nash, 1901 |
| Andropogon lolioides E. Fourn., 1885 |
| Andropogon louisianae Steud., 1854 |
| Andropogon luteolus Vanderyst, 1918 |
| Andropogon luxurians Ekman, 1911 |
| Andropogon macrolepis Hack., 1885 |
| Andropogon macrothrix Trin., 1832 |