| Name | Stachys tenuifolia var. perlonga Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Stachys tenuifolia Willdenow |
| GUID | urn:lsid:ipni.org:names:243261-2 |
| Citation | 1943 Rhodora 45: 466 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Stachys tenuifolia var. perlonga Fernald |
| Identification made in | [no date] (3) |