| Name | Verrucaria umbrinula Nylander | 
| Authorship | Nylander | 
| Rank | Species | 
| Placed in | Verrucaria Schrader | 
| GUID | urn:lsid:indexfungorum.org:names:409917 | 
| Citation | 1870 Flora 53: 37 | 
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Verrucaria umbrinula Nylander | 
| Identification made in | [no date] (4) |