| Classification | Hypnaceae: Ptilium | 
| Harvard University Herbaria Barcode(s) | 00920044 | 
| Collector | R. R. Ireland | 
| Collector number | 16891 | 
| Country | Canada | 
| State | New Brunswick | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: New Brunswick | 
| Locality | [data not captured] | 
| Date Collected | 1974-07-04 | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ad5ec950-30e7-427c-b5ac-6d7aeaa0f872 | 
| Harvard University Herbaria Barcode | 00920044 | 
| 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 |