| Name | Rhizoclonium riparium f. casparyi (Harvey) Holmes & Batters |
| Authorship | (Harvey) Holmes & Batters |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Rhizoclonium riparium (Roth) Harvey |
| Remarks | Created from Taxon Name Import: Rhizoclonium riparium f. casparyi (Harvey) Holmes & Batters |