| Name | Trichomanes caespitosum var. elongatum Hooker |
| Authorship | Hooker |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Trichomanes caespitosum Hooker |
| GUID | urn:lsid:ipni.org:names:257297-2 |
| Citation | 1845 Sp. Fil. 1: 132 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Trichomanes caespitosum var. elongatum Hooker |
| Identification made in | [no date] (1) |