| Name | Gentiana autumnalis subsp. pennelliana (Fernald) Halda |
| Authorship | (Fernald) Halda |
| Rank | Subspecies |
| Placed in | Gentiana autumnalis Linnaeus |
| Citation | 1995 Acta Mus. Richnov. Sect. Nat. 3(1): 18 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Gentiana autumnalis subsp. pennelliana (Fernald) Halda |
| Identification made in | [no date] (4) |