| Name | Buellia petraea var. montagnei Tuckerman | 
| Authorship | Tuckerman | 
| Rank | Variety | 
| Placed in | Buellia petraea (Wulfen) Branth & Rostrup | 
| GUID | urn:lsid:indexfungorum.org:names:569299 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Buellia petraea var. montagnei Tuckerman | 
| Identification made in | [no date] (2) |