| Name | Phaeocalicium compressulum (Nylander ex Vainio) A. F. W. Schmidt |
| Authorship | (Nylander ex Vainio) A. F. W. Schmidt |
| Rank | Species |
| Placed in | Phaeocalicium A. F. W. Schmidt |
| Citation | 1970 Mitt. Staatsinst. Allg. Bot. Hamburg 13: 130 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Phaeocalicium compressulum (Nylander ex Vainio) A. F. W. Schmidt |
| Identification made in | [no date] (2) |