| Classification | Lichens: Physcia | 
| Harvard University Herbaria Barcode(s) | 00302121 | 
| Collector | L. W. Nuttall | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Los Angeles County | 
| Locality | Silver Canyon | 
| Date Collected | 1920-10-10 | 
| Habitat | on moss | 
| Container | Santa Catalina Island (California) | 
| Substrate | foliaceus [foliicolous] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/00fce9d1-29b1-4419-9e31-191b7aaee2de | 
| Harvard University Herbaria Barcode | 00302121 | 
| Herbarium | FH | 
| Previous ownership | ex Herbarium G. K. Merrill | 
| Determination | Physcia tribacia (Acharius) Nylander | 
| Determined by | T. L. Esslinger (NDA) | 
| Date Determined | 2010 | 
| Determination Remarks | [current name] | 
| Determination | Physcia tribacia (Acharius) Nylander | 
| Determined by | Charis C. Bratt | 
| Date Determined | 2002-07-** | 
| Determination | Physcia callosa Nylander | 
| Determined by | J. W. Thomson | 
| Date Determined | 1956 | 
| Determination | Physcia crispa Nylander | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |