| Name | Xylothermia montana subsp. tomentosa Abrams |
| Authorship | Abrams |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Xylothermia montana (Nuttall) Greene |
| GUID | urn:lsid:ipni.org:names:269966-2 |
| Citation | 1907 Bull. Torrey Bot. Club 34: 263 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Xylothermia montana subsp. tomentosa Abrams |
| Identification made in | [no date] (1) |