| Name | Thlaspi montanum var. siskiyouense P. K. Holmgren |
| Authorship | P. K. Holmgren |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Thlaspi montanum Linnaeus |
| GUID | urn:lsid:ipni.org:names:997822-1 |
| Citation | 1971 Mem. New York Bot. Gard. 21: 84 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Thlaspi montanum var. siskiyouense P. K. Holmgren |
| Identification made in | 1968 (1), 2013 (1) |