| Classification | Pyrenopsidaceae: Placynthium |
| Harvard University Herbaria Barcode(s) | 00473624 |
| Collector | G. K. Merrill |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Knox County: Thomaston |
| Locality | [data not captured] |
| Date Collected | 1910-07-24 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/868f6ac0-ef40-4564-b449-4f30d83e7650 |
| Harvard University Herbaria Barcode | 00473624 |
| Herbarium | FH |
| Family | Pyrenopsidaceae |
| Determination | Placynthium nigrum (Hudson) Gray |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
