| Poa pratensis var. macounii B. Boivin, 1981 |
| Poa pratensis var. stricta Hook., 1840 |
| Poa pratensis var. subglabriflora Roshev., 1932 |
| Poa pratensis var. urjanchaica (Roshev.) Bondar ex Korovina, 1978 |
| Poa preslii Kunth, 1833 |
| Poa prolifera Sw., 1788 |
| Poa prostrata Kunth, 1815 |
| Poa psammodes (Trin.) Kunth, 1833 |
| Poa pyramidata Lam., 1791 |
| Poa quinquefida Pursh, 1814 |
| Poa racemosa Vahl, 1796 |
| Poa rariflora (Lam.) Roem. & Schult., 1817 |
| Poa reptans Michx., 1803 |
| Poa reptans var. caespitosa Torr., 1823 |
| Poa rigens Trin. ex Scribn. & Merr., 1910 |
| Poa rigens subsp. colpodea (Th. Fr.) D. Löve, 1968 |
| Poa rigida L., 1754 |
| Poa ruprechtii Peyr., 1859 |
| Poa sandbergii Vasey, 1893 |
| Poa scaberula Hook. f., 1846 |