| Classification | Lichens: Arthonia |
| Harvard University Herbaria Barcode(s) | 00197575 |
| Collector | H. E. Hasse |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California |
| Locality | Santa Monica Range |
| Date Collected | 1995 |
| Habitat | on Salix |
| Substrate | on bark [corticolous] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0e6581bb-8916-4c96-a36a-4de7a5f270d1 |
| Harvard University Herbaria Barcode | 00197575 |
| Herbarium | FH |
| Previous ownership | ex Herbarium Hasse |
| Determination | Arthonia rhoidis Zahlbruckner |
| Determined by | H. E. Hasse |
| Determination Remarks | [is label name] |
| Annotation Text | Type lcality Catalina Island on Rhus laurina |
| Determination | Arthonia rhoidis Zahlbruckner |
| Determined by | R. Sundin |
| Date Determined | 1999 |
| Annotation Text | not type material |
| Determination | Arthonia rhoidis Zahlbruckner |
| Determined by | K. Knudsen (UCR) |
| Date Determined | 2009-10-20 |
| Determination Remarks | [is Current name] |
| Annotation Text | the holotype is from Catalina Island, CA |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
