| Name | Helodium paludosum var. elodioides (Renauld & Cardot) Grout |
| Authorship | (Renauld & Cardot) Grout |
| Rank | Variety |
| Placed in | Helodium paludosum (Austin) Austin ex Brotherus |
| Citation | 1929 Check List Pleuroc. Mosses N. Amer. 23 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Helodium paludosum var. elodioides (Renauld & Cardot) Grout |
| Identification made in | [no date] (3) |