| Name | Buellia alboatra var. saxicola (Fries) Tuckerman |
| Authorship | (Fries) Tuckerman |
| Rank | Variety |
| Placed in | Buellia alboatra (Hoffmann) Th. Fries |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Buellia alboatra var. saxicola (Fries) Tuckerman |
| Identification made in | [no date] (1) |