| Name | Hymenoscyphus subserotinus (P. C. Hennings & E. O. A. Nyman) Dennis |
| Authorship | (P. C. Hennings & E. O. A. Nyman) Dennis |
| Rank | Species |
| Placed in | Hymenoscyphus |
| Citation | 1964 Persoonia 3: 74 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hymenoscyphus subserotinus (P. C. Hennings & E. O. A. Nyman) Dennis |
| Identification made in | [no date] (1) |