| Name | Caloplaca ferruginea f. bolanderi (Tuckerman) Zahlbruckner |
| Authorship | (Tuckerman) Zahlbruckner |
| Rank | Forma |
| Placed in | Caloplaca ferruginea (Hudson) Th. Fries |
| GUID | urn:lsid:indexfungorum.org:names:475203 |
| Citation | 1930 ['1931'] Cat. Lich. Univ. 7: 122 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Caloplaca ferruginea f. bolanderi (Tuckerman) Zahlbruckner |
| Identification made in | [no date] (12) |