| Name | Hafellia callispora (C. Knight) H. Mayrhofer & Sheard |
| Authorship | (C. Knight) H. Mayrhofer & Sheard |
| Rank | Species |
| Placed in | Hafellia Kalb, H. Mayrhofer & Scheidegger |
| GUID | urn:lsid:indexfungorum.org:names:354636 |
| Citation | 1992 Bryologist 95(1): 84 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Hafellia callispora (C. Knight) H. Mayrhofer & Sheard |
| Identification made in | [no date] (10) |