| Name | Cladium mariscus R. Brown |
| Authorship | R. Brown |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Cladium P. Browne |
| Contains | Cladium mariscus var. californicum S. Watson |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Cladium mariscus R. Brown |
| Identification made in | [no date] (8) |