| Cyperaceae | |
Rhynchospora fascicularis var. debilis
| (Gale) Kük. | Bot. Jahrb. Syst. 75(1): 111 | 1950 |
| Cyperaceae | |
Rhynchospora fascicularis var. distans
| (Michx.) Chapm. | Fl. South. U.S. 527 | 1860 |
| Cyperaceae | |
Rhynchospora fascicularis subsp. fascicularis
| | | |
| Cyperaceae | |
Rhynchospora fascicularis var. fascicularis
| | | |
| Cyperaceae | |
Rhynchospora fascicularis var. fernaldii
| (Gale) Kük. | Bot. Jahrb. Syst. 75(1): 111 | 1950 |
| Cyperaceae | |
Rhynchospora fascicularis var. harperi
| (Small) Kük. | Bot. Jahrb. Syst. 75(1): 111 | 1950 |
| Cyperaceae | |
Rhynchospora fascicularis subsp. sierrensis
| W.W. Thomas | Brittonia 44(1): 29, f. 3 | 1992 |
| Cyperaceae | ** |
Rhynchospora fascicularis var. stenophylla
| Chapm. ex Britton | Mem. Torrey Bot. Club 11(3–5): 90 | 1892 |
| Cyperaceae | |
Rhynchospora fascicularis var. trichoides
| Chapm. | Fl. South. U.S. 527 | 1860 |
| Cyperaceae | * |
Rhynchospora fascicularis var. typica
| Gale | Rhodora 46(545): 188 | 1944 |