| Name | Rhytidophyllum tomentosum var. exsertum (Grisebach) Z. R. Xu & L. E. Skog | 
| Authorship | (Grisebach) Z. R. Xu & L. E. Skog | 
| Rank | Variety | 
| NomenclaturalStatus | Unknown | 
| Placed in | Rhytidophyllum tomentosum (Linnaeus) Martius | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhytidophyllum tomentosum var. exsertum (Grisebach) Z. R. Xu & L. E. Skog | 
| Identification made in | [no date] (1) |