| Name | Carex mirabilis var. perlonga Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex mirabilis Dewey |
| GUID | urn:lsid:ipni.org:names:46655-2 |
| Citation | 1902 Proc. Amer. Acad. Arts 37: 473 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Carex mirabilis var. perlonga Fernald |
| Identification made in | [no date] (4) |