| Classification | Porellaceae: Madotheca | 
| Barcode(s) | 00506027 | 
| Collector | H. L. Mason | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Marin County | 
| Locality | [data not captured] | 
| Date Collected | 1933-03-04 | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f2c15d0b-3533-44cb-a423-1d208f24d283 | 
| Harvard University Herbaria Barcode | 00506027 | 
| Herbarium | FH | 
| Family | Porellaceae | 
| Determination |  Madotheca navicularis (Lehmann & Lindenberg) Nees | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |