| Name | Pyrenula novemseptata Vainio | 
| Authorship | Vainio | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Pyrenula Acharius | 
| GUID | urn:lsid:indexfungorum.org:names:374385 | 
| Citation | 1923 Proc. Amer. Acad. Arts 58: 145 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pyrenula novemseptata Vainio | 
| Identification made in | [no date] (1) |