| Name | Pseudovalsa schistostroma (Duby) P. Karsten |
| Authorship | (Duby) P. Karsten |
| Rank | Species |
| Placed in | Pseudovalsa |
| Citation | 1866 Fungi Fenniae Exsicc. 4: 344 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pseudovalsa schistostroma (Duby) P. Karsten |
| Identification made in | [no date] (1) |