| Cyperaceae | |
Scirpus cernuus fo. aphyllus
| (Boeckeler) Barros | Anales Mus. Argent. Ci. Nat. "Bernardino Rivadavia" 38: 145 | 1935 |
| Cyperaceae | |
Scirpus cernuus var. australiensis
| Maiden & Betche | Proc. Linn. Soc. New South Wales 33: 316 | 1908 |
| Cyperaceae | |
Scirpus cernuus var. brevis
| (d'Urv.) Skottsb. | Wiss. Ergebn. Schwed. Südpolar-Exped. 1901–1903 4(10): 41 | 1909 |
| Cyperaceae | |
Scirpus cernuus subsp. californicus
| (Torr.) Thorne | Aliso 9(2): 195 | 1978 |
| Cyperaceae | |
Scirpus cernuus var. californicus
| (Torr.) Beetle | Rhodora 46(544): 145 | 1944 |
| Cyperaceae | |
Scirpus cernuus var. cernuus
| | | |
| Cyperaceae | |
Scirpus cernuus var. dura
| C.B. Clarke | Bot. Jahrb. Syst. 30(68): 29 | 1901 |
| Cyperaceae | |
Scirpus cernuus var. durus
| C.B. Clarke | Bot. Jahrb. Syst. 30(2, Beibl. 68): 29 | 1901 |
| Cyperaceae | |
Scirpus cernuus fo. macrostachyus
| Maire & Weiller | in Fl. Afr. Nord 4: 58 | 1957 |
| Cyperaceae | |
Scirpus cernuus fo. pygmaeus
| Lindm. | Kongl. Svenska Vetensk. Acad. Handl., n.s. 26, Afd. III, no. 9: 21 | 1900 |
| Cyperaceae | |
Scirpus cernuus var. pygmaeus
| (Kunth) Dusén | Svenska Exped. Magell. 3(5): 212 | 1900 |
| Cyperaceae | |
Scirpus cernuus var. subtilis
| (Kunth) C.B. Clarke | Consp. Fl. Afric. 5: 619 | 1894 |
| Cyperaceae | |
Scirpus cernuus var. vahlii
| (Lange) O. Bolòs & Vigo | Fl. Man. Països Catalans 4: 212 | 2001 |