| Classification | Hypnaceae: Ptilium | 
| Harvard University Herbaria Barcode(s) | 00920082 | 
| Collector | E. B. Chamberlain & J. F. Collins | 
| Collector number | 2986 | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Cumberland County: Cumberland | 
| Locality | [data not captured] | 
| Date Collected | 1903-08-17 | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b5cb073a-609a-4cbb-86f9-f30715d46457 | 
| Harvard University Herbaria Barcode | 00920082 | 
| Herbarium | FH | 
| Family | Hypnaceae | 
| Determination | Ptilium crista-castrensis (Hedwig) De Notaris | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |