| Name | Carex grayi var. rariflora Farwell |
| Authorship | Farwell |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex grayi Carey |
| GUID | urn:lsid:ipni.org:names:46285-2 |
| Citation | 1921 Rep. (Annual) Michigan Acad. Sci. 22: 181 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Carex grayi var. rariflora Farwell |
| Identification made in | [no date] (1) |