| Classification | Porellaceae: Madotheca | 
| Harvard University Herbaria Barcode(s) | 00506166 | 
| Collector | E. G. Britton | 
| Country | United States of America | 
| State | New York | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York | 
| Locality | [data not captured] | 
| Date Collected | 1898-09-24 | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9ee25477-dd84-4fbe-813a-89475d4097f3 | 
| Harvard University Herbaria Barcode | 00506166 | 
| Herbarium | FH | 
| Family | Porellaceae | 
| Determination | Madotheca platyphylla (Linnaeus) Dumortier | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |