| Name | Cystostereum subabruptum (Bourdot & Galzin) J. Eriksson & Ryvarden |
| Authorship | (Bourdot & Galzin) J. Eriksson & Ryvarden |
| Rank | Species |
| Placed in | Cystostereum |
| GUID | urn:lsid:indexfungorum.org:names:312567 |
| Citation | 1975 Corticiaceae N. Eur. 3: 327 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cystostereum subabruptum (Bourdot & Galzin) J. Eriksson & Ryvarden |
| Identification made in | [no date] (2) |