| 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 |
| Eragrostis purshii var. miserrima E. Fourn., 1886 |
| Eragrostis purshii var. pauciflora E. Fourn., 1886 |
| Eragrostis pusilla Scribn. ex Beal, 1896 |
| Eragrostis rahmeri Phil., 1891 |
| Eragrostis reptans (Michx.) J. Presl, 1830 |
| Eragrostis reptans (Michx.) Nees, 1829 |
| Eragrostis reptans var. contracta Döll, 1878 |
| Eragrostis reptans var. laxior Döll, 1878 |
| Eragrostis reptans var. pygmaea Döll, 1878 |