| Name | Pyrenula lactea (A. Massalongo) Tuckerman | 
| Authorship | (A. Massalongo) Tuckerman | 
| Rank | Species | 
| Placed in | Pyrenula Acharius | 
| GUID | urn:lsid:indexfungorum.org:names:403356 | 
| Citation | 1872 Gen. Lich. 275 | 
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Pyrenula lactea (A. Massalongo) Tuckerman | 
| Identification made in | [no date] (9) |