| 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 crispa Nylander |
| Determination Remarks | [is label name] |
| Determination | Physcia callosa Nylander |
| Determined by | J. W. Thomson |
| Date Determined | 1956 |
| Determination | Physcia tribacia (Acharius) Nylander |
| Determined by | Charis C. Bratt |
| Date Determined | 2002-07-** |
| Determination | Physcia tribacia (Acharius) Nylander |
| Determined by | T. L. Esslinger (NDA) |
| Date Determined | 2010 |
| Determination Remarks | [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
