| Name | Isanthus brachiatus var. linearis Fassett |
| Authorship | Fassett |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Isanthus brachiatus (Linnaeus) Britton, Stearn & Poggenburg |
| GUID | urn:lsid:ipni.org:names:130243-2 |
| Citation | 1933 Rhodora 35: 388 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Isanthus brachiatus var. linearis Fassett |
| Identification made in | [no date] (1) |