| Name | Claytonia arctica var. megarhiza A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Claytonia arctica Adams |
| GUID | urn:lsid:ipni.org:names:59863-2 |
| Citation | 1862 Amer. J. Sci. Arts ser. 2, 33: 406 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Claytonia arctica var. megarhiza A. Gray |
| Identification made in | [no date] (1) |