| Classification | Pertusariaceae: Pertusaria |
| Harvard University Herbaria Barcode(s) | 00470946 |
| Collector | L. W. Riddle |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Ipswich |
| Locality | [data not captured] |
| Date Collected | 1910-11-21 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/415867b5-625a-49db-97b3-3e05b281a598 |
| Harvard University Herbaria Barcode | 00470946 |
| Herbarium | FH |
| Family | Pertusariaceae |
| Determination | Pertusaria amara (Acharius) Nylander |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
