| Panicum halophilum Nash, 1901 |
| Panicum hamiltonii Kunth, 1833 |
| Panicum havardii Vasey, 1887 |
| Panicum helleri Nash, 1899 |
| Panicum hemignostum Steud., 1853 |
| Panicum hemisphericum Poir., 1804 |
| Panicum henryi (Rendle) Makino & Nemoto, 1925 |
| Panicum heteranthum Link, 1827 |
| Panicum heterostachyum Hack., 1901 |
| Panicum hians Elliott, 1816 |
| Panicum hians var. pallescens Döll, 1877 |
| Panicum hians var. purpurascens Scribn., 1891 |
| Panicum hillmanii Chase, 1924 |
| Panicum hintonii Swallen, 1950 |
| Panicum hirsutissimum Steud., 1853 |
| Panicum hirsutum Lam., 1798 |
| Panicum hirsutum Sw., 1797 |
| Panicum hirsutum var. beta Lam., 1798 |
| Panicum hirtellum L., 1759 |
| Panicum hirticaule J. Presl, 1830 |