| Name | Hymenoscyphus calyculus (Sowerby) W. Phillips |
| Authorship | (Sowerby) W. Phillips |
| Rank | Species |
| Placed in | Hymenoscyphus |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Hymenoscyphus calyculus (Sowerby) W. Phillips |
| Identification made in | [no date] (8) |