| Scirpus americanus Pers., 1805 |
| Scirpus americanus subsp. monophyllus (J. Presl & C. Presl) T. Koyama, 1963 |
| Scirpus americanus var. americanus Pers., 1805 |
| Scirpus americanus var. pungens (Vahl) Barros & Osten, 1931 |
| Scirpus analecta Beetle, 1944 |
| Scirpus analecta var. evadens C.D. Adams, 1991 |
| Scirpus annuus All., 1785 |
| Scirpus apus A. Gray, 1874 |
| Scirpus atropurpureus Retz., 1789 |
| Scirpus autumnalis L., 1771 |
| Scirpus badius J. Presl & C. Presl, 1828 |
| Scirpus baldwinianus Schult., 1824 |
| Scirpus bernardinus Munz & I.M. Johnst., 1925 |
| Scirpus brachyphyllus Link, 1820 |
| Scirpus brevivaginatus Boeckeler, 1858 |
| Scirpus bufonius (Kunth) Poir., 1817 |
| Scirpus californicus (C.A. Mey.) Steud., 1841 |
| Scirpus capillaris L., 1753 |
| Scirpus capitatus Willd., 1791 |
| Scirpus caribaeus Rottb., 1773 |