| Name | Caloplaca subnigricans H. Magnusson |
| Authorship | H. Magnusson |
| Rank | Species |
| Placed in | Caloplaca Th. Fries |
| GUID | urn:lsid:indexfungorum.org:names:365303 |
| Citation | 1944 Bot. Not. 74 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Caloplaca subnigricans H. Magnusson |
| Identification made in | [no date] (2) |
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