| Name | Pyrenula acutalis R. C. Harris |
| Authorship | R. C. Harris |
| Rank | Species |
| Placed in | Pyrenula Acharius |
| Citation | 1989 Mem. New York Bot. Gard. 49: 85 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pyrenula acutalis R. C. Harris |
| Identification made in | 2016 (1) |