| Cyperaceae | |
Scirpus robustus var. campestris
| Fernald | Rhodora 2(24): 241 | 1900 |
| Cyperaceae | |
Scirpus robustus var. compactus
| Burtt Davy ex Jeps. | Fl. W. Calif. 88 | 1901 |
| Cyperaceae | |
Scirpus robustus var. novae-angliae
| (Britton) Beetle | Amer. J. Bot. 29(1): 87 | 1942 |
| Cyperaceae | |
Scirpus robustus var. paludosus
| (A. Nelson) Fernald | Rhodora 2(24): 241 | 1900 |
| Cyperaceae | |
Scirpus robustus fo. protrusus
| Fernald | Rhodora 45(538): 392 | 1943 |
| Cyperaceae | |
Scirpus robustus fo. robustus
| | | |