| Name | Sisyrinchium montanum var. crebrum Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Sisyrinchium montanum Greene |
| GUID | urn:lsid:ipni.org:names:60464019-2 |
| Citation | 1946 Rhodora 48: 159 |
| Holdings | 415 Specimens held in the Harvard University Herbaria identified as Sisyrinchium montanum var. crebrum Fernald |
| Identification made in | [no date] (408), 2011 (3), 2012 (4) |