| Name | Rhizoclonium crassipellitum var. robustum G. S. West | 
| Authorship | G. S. West | 
| Rank | Variety | 
| NomenclaturalStatus | Unknown | 
| Placed in | Rhizoclonium crassipellitum West & G.S.West | 
| Remarks | Created from Taxon Name Import: Rhizoclonium crassipellitum var. robustum G. S. West | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhizoclonium crassipellitum var. robustum G. S. West | 
| Identification made in | [no date] (1) |