| Eragrostis pilosa var. delicatula (Trin.) Hack., 1904 |
| Eragrostis pilosa var. lugens (Nees) Griseb., 1879 |
| Eragrostis pilosa var. minor (Host) Kuntze, 1898 |
| Eragrostis pilosa var. pilosa (L.) P. Beauv., 1812 |
| Eragrostis plumbea Scribn. ex Beal, 1896 |
| Eragrostis plumosa (Retz.) Link, 1827 |
| Eragrostis poaeoides P. Beauv. ex Roem. & Schult., 1817 |
| Eragrostis poaeoides var. laxiflora Döll, 1878 |
| Eragrostis poiformis Link, 1827 |
| Eragrostis polytricha Nees, 1829 |
| Eragrostis polytricha var. glabrior Döll, 1878 |
| Eragrostis polytricha var. hirsutior Döll, 1878 |
| Eragrostis praetermissa L.H. Harv., 1954 |
| Eragrostis pringlei Mattei, 1909 |
| Eragrostis prolifera (Sw.) Steud., 1854 |
| Eragrostis psammodes Trin., 1830 |
| Eragrostis psammodes var. microstachya (Link) Döll, 1878 |
| Eragrostis purshii Schrad. ex A. Gray, 1856 |
| Eragrostis purshii var. diffusa (Buckley) Vasey, 1890 |
| Eragrostis purshii var. major E. Fourn., 1886 |