| Classification | Pyrenopsidaceae: Placynthium |
| Harvard University Herbaria Barcode(s) | 00473649 |
| Collector | [no data available] |
| Country | United States of America |
| State | Wisconsin |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wisconsin |
| Locality | [data not captured] |
| Date Collected | 1920-06-19 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/802a63a3-e0b1-4227-9c30-d2740f9d4271 |
| Harvard University Herbaria Barcode | 00473649 |
| Herbarium | FH |
| Family | Pyrenopsidaceae |
| Determination | Placynthium nigrum (Hudson) Gray |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |