| Name | Psora californica Timdal |
| Authorship | Timdal |
| Rank | Species |
| Placed in | Psora Hoffmann |
| GUID | urn:lsid:indexfungorum.org:names:132682 |
| Citation | 1987 Bryologist 89(4): 257 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Psora californica Timdal |
| Identification made in | [no date] (12) |
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