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CCDB → Angiosperms → Cyperaceae → Cladium
| Taxon name | Status | Median (n) |
| Cladium mariscoides (Muhl.) Torr. | Accepted | 39 |
| Cladium mariscus (L.) Pohl | Accepted | 18 |
| Cladium californicum (S. Watson) O'Neill | Synonym of Cladium mariscus subsp. californicum (S. Watson) Govaerts | 18 |
| Cladium angustifolium (Gaudich.) Benth. & Hook. ex Drake | Synonym of Machaerina angustifolia (Gaudich.) T. Koyama | 30 |