| Paspalum liebmannii E. Fourn., 1886 |
| Paspalum ligulare Nees, 1829 |
| Paspalum lineare E. Fourn., 1886 |
| Paspalum lineare Trin., 1826 |
| Paspalum lineispatha Mez, 1917 |
| Paspalum lividum Trin. ex Schltdl., 1854 |
| Paspalum longicuspe Nash, 1912 |
| Paspalum longissimum Hochst. ex Steud., 1855 |
| Paspalum longissimum var. guadalupense Steud. ex Griseb., 1857 |
| Paspalum longum Chase, 1931 |
| Paspalum lorentzianum Mez, 1917 |
| Paspalum luticolum Swallen, 1967 |
| Paspalum luxurians R. Guzmán & L. Rico, 1982 |
| Paspalum macropodium Steud., 1853 |
| Paspalum malacophyllum Trin., 1836 |
| Paspalum malacophyllum f. parviflorum Hack., 1911 |
| Paspalum malacophyllum var. ciliatum Döll, 1877 |
| Paspalum malacophyllum var. elongatum (Griseb.) Kuntze, 1898 |
| Paspalum malacophyllum var. genuinum Döll, 1877 |
| Paspalum malacophyllum var. glabrescens Döll, 1877 |