| Classification | Fungi: Ascomycota: Porpidiaceae: Porpidia |
| Harvard University Herbaria Barcode(s) | 00474370 |
| Collector | T. A. Williams & E. Snell |
| Country | United States of America |
| State | District of Columbia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: District of Columbia |
| Locality | [data not captured] |
| Date Collected | 1898 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0d36c5da-c783-4d32-ab5c-0a1e119851a5 |
| Harvard University Herbaria Barcode | 00474370 |
| Herbarium | FH |
| Family | Porpidiaceae |
| Determination | Porpidia crustulata (Acharius) Hertel & Knoph |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
