| Name | Hypotrachyna prolongata (Kurokawa) Hale |
| Authorship | (Kurokawa) Hale |
| Rank | Species |
| Placed in | Hypotrachyna (Vainio) Hale |
| Citation | 1975 Smithsonian Contr. Bot. 25: 56 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypotrachyna prolongata (Kurokawa) Hale |
| Identification made in | [no date] (1) |