| Name | Helodium paludosum (Austin) Brotherus |
| Authorship | (Austin) Brotherus |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Helodium |
| Contains | Helodium paludosum var. elodioides (Renauld & Cardot) Grout |
| Holdings | 120 Specimens held in the Harvard University Herbaria identified as Helodium paludosum (Austin) Brotherus |
| Identification made in | [no date] (113), 2007 (1), 2011 (4), 2016 (2) |