| Name | Polyblastia obsoleta Arnold |
| Authorship | Arnold |
| Rank | Species |
| Placed in | Polyblastia A. Massalongo |
| GUID | urn:lsid:indexfungorum.org:names:401778 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polyblastia obsoleta Arnold |
| Identification made in | [no date] (1) |