| Classification | Lichens: Rhizocarpon |
| Harvard University Herbaria Barcode(s) | 00477848 |
| Collector | R. Mexrowitz |
| Country | United States of America |
| State | Connecticut |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Connecticut: New Haven County: East Haven |
| Locality | [no additional data] |
| Date Collected | 1922-10-19 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/25a991f0-0b0a-4031-87b8-4e09b70b329f |
| Harvard University Herbaria Barcode | 00477848 |
| Herbarium | FH |
| Determination | Rhizocarpon petraeum (Wulfen) A. Massalongo |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
