| Classification | Lichens: Arthonia |
| Barcode(s) | 00418773 |
| 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 | Catalina Island |
| Date Collected | 1915 |
| Habitat | on oak |
| Substrate | on bark [corticolous] |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/958e3083-c786-419d-98ed-b470cf655d1c |
| Harvard University Herbaria Barcode | 00418773 |
| Herbarium | FH |
| Previous ownership | ex Herbarium H. E. Hasse |
| Determination | Arthonia tetramera Hasse |
| Determined by | Rikard Sundin |
| Date Determined | 1999 |
| Determination Remarks | [filed under] [current name] |
| Determination | Arthonia epipastoides Nylander |
| Determined by | Hasse, Hermann Edward |
| Determination Remarks | [label name] |
| Annotation Text | [note with spore drawing and measurements inside packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |