| Rhynchospora minutiflora (Rich. ex Spreng.) C.D. Adams, 1971 |
| Rhynchospora nervosa (Vahl) Boeckeler, 1869 |
| Rhynchospora nervosa subsp. ciliata (G. Mey.) T. Koyama, 1970 |
| Rhynchospora nervosa subsp. nervosa (Vahl) Boeckeler, 1869 |
| Rhynchospora nervosa var. ciliata (G. Mey.) Kük., 1951 |
| Rhynchospora nervosa var. cinnamomea (Kük.) Kük., 1951 |
| Rhynchospora nervosa var. tenuifolia (Kunth) H. Pfeiff., 1935 |
| Rhynchospora nitens (Vahl) A. Gray, 1867 |
| Rhynchospora nivea Boeckeler, 1873 |
| Rhynchospora oaxacana Kral & W.W. Thomas, 1986 |
| Rhynchospora oligantha A. Gray, 1835 |
| Rhynchospora orizabensis C.B. Clarke ex Kük., 1949 |
| Rhynchospora perrigida Boeckeler, 1896 |
| Rhynchospora persooniana (Nees) Griseb., 1864 |
| Rhynchospora plumosa Elliot, 1816 |
| Rhynchospora podosperma C. Wright, 1871 |
| Rhynchospora polyphylla (Vahl) Vahl, 1805 |
| Rhynchospora pringlei Greenm., 1903 |
| Rhynchospora pterocarpa (Kunth) Roem. & Schult., 1817 |
| Rhynchospora pubera (Vahl) Boeckeler, 1872 |