| Name | Hymenoscyphus immutabilis (Fuckel) Dennis |
| Authorship | (Fuckel) Dennis |
| Rank | Species |
| Placed in | Hymenoscyphus |
| GUID | urn:lsid:indexfungorum.org:names:332347 |
| Citation | 1964 Persoonia 3: 76 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Hymenoscyphus immutabilis (Fuckel) Dennis |
| Identification made in | [no date] (5) |
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