| Classification | Lichens: Rhizocarpon |
| Harvard University Herbaria Barcode(s) | 00477912 |
| Collector | J. W. Thomson |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Mateo County |
| Locality | [data not captured] |
| Date Collected | 1957-08-24 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c9e67d4c-6f59-44cc-a770-70ad3fdbf4c0 |
| Harvard University Herbaria Barcode | 00477912 |
| Herbarium | FH |
| Determination | Rhizocarpon viridiatrum (Wulfen) Körber |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
