| Alopecurus geniculatus var. viridis Neilr., 1857 |
| Alopecurus howellii Vasey, 1888 |
| Alopecurus interruptus (Kunth) Poir., 1817 |
| Alopecurus maritimus (Willd.) Poir., 1808 |
| Alopecurus monspeliensis L., 1753 |
| Alopecurus myosuroides Huds., 1762 |
| Alopecurus pallescens Piper, 1901 |
| Alopecurus palustris Syme, 1872 |
| Alopecurus palustris subsp. geniculatus (L.) Syme, 1873 |
| Alopecurus saccatus Vasey, 1881 |
| Alopecurus typhoides Burm. f., 1768 |
| Alopecurus ventricosus (Gouan) Huds., 1778 |
| Alycia Willd. ex Steud., 1840 |
| Amagris Raf., 1814 |
| Amaxitis Adans., 1763 |
| Amblyopyrum (Jaub. & Spach) Eig, 1929 |
| Amelichloa Arriaga & Barkworth, 2006 |
| Amelichloa clandestina (Hack.) Arriaga & Barkworth, 2006 |
| Amphidonax Nees ex Lindl., 1836 |
| Amphigenes Janka, 1860 |