| Name | Rhizoclonium tortuosum (Dillwyn) Kützing |
| Authorship | (Dillwyn) Kützing |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Rhizoclonium Kützing |
| Remarks | Created from Taxon Name Import: Rhizoclonium tortuosum (Dillwyn) Kützing |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Rhizoclonium tortuosum (Dillwyn) Kützing |
| Identification made in | [no date] (10), 2018 (3) |