| Classification | Caloplacaceae: Caloplaca | 
| Barcode(s) | 00302168 | 
| Collector | L. F. Koch | 
| Collector number | 351 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Marin County | 
| Locality | 15.4 miles from Petaluma towards Pt. Reyes Station | 
| Date Collected | 1939-03-12 | 
| Container | California | 
| Substrate | on rock [saxicolous] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7d11f63c-c4fe-4552-8dce-15d23f704a9f | 
| Harvard University Herbaria Barcode | 00302168 | 
| Herbarium | FH | 
| Previous ownership | ex Herbarium of the University of California | 
| Family | Caloplacaceae | 
| Determination |  Caloplaca saxicola (Hoffmann) Nordin | 
| Determined by | K. Knudsen (UCR) | 
| Date Determined | 2010-03-03 | 
| Determination Remarks |  [current name] | 
| Family | Caloplacaceae | 
| Determination | Compare Caloplaca ignea Arup | 
| Determined by | C. Wetmore (MIN) | 
| Date Determined | 1997-01-** | 
| Family | Caloplacaceae | 
| Determination |  Caloplaca murorum (Hoffmann) Th. Fries | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |