| Name | Rhizoclonium pachydermum Kjellman |
| Authorship | Kjellman |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Rhizoclonium Kützing |
| Remarks | Created from Taxon Name Import: Rhizoclonium pachydermum Kjellman |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhizoclonium pachydermum Kjellman |
| Identification made in | [no date] (1) |