| Aira major subsp. caespitosa (L.) Syme, 1873 |
| Aira mexicana Trin. ex E. Fourn., 1886 |
| Aira montana L., 1753 |
| Aira obtusa Raf., 1819 |
| Aira obtusata Michx., 1803 |
| Aira pumila Pursh, 1814 |
| Aira purpurea Walter, 1788 |
| Aira sabulonum Labill., 1824 |
| Aira sabulonum var. uniflora Balansa, 1872 |
| Aira spicata L., 1753 |
| Aira subspicata L., 1759 |
| Aira tenuissima (Mart. ex Schrank) Spreng., 1825 |
| Aira triglumis Steud., 1854 |
| Aira truncata Muhl., 1817 |
| Aira vaseyana Rydb., 1922 |
| Aira versicolor Roem. & Schult., 1817 |
| Aira vestita Steud., 1854 |
| Airella (Dumort.) Dumort., 1868 |
| Airella Dumort., 1824 |
| Airella caryophyllea (L.) Dumort., 1868 |