| Classification | Fungi: Ascomycota: Ascomycetes: Lecanorales: Psoraceae: Psora |
| Harvard University Herbaria Barcode(s) | 00474948 |
| Type Status | Holotype |
| Collector | I. M. Johnston |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California |
| Locality | [data not captured] |
| Date Collected | 1918-11-28 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7a84873f-66cc-4d17-9680-c975e6d1567d |
| Harvard University Herbaria Barcode | 00474948 |
| Herbarium | FH |
| Family | Psoraceae |
| Type Status | Holotype |
| Holotype of | Psora californica Timdal |
| Determination Remarks | [is filed under name] [is Current name] |
| Taxon Reference | (for Psora californica Timdal) Bryologist 1987. 89(4): 257. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
