| Classification | Hypnaceae: Ptilium |
| Harvard University Herbaria Barcode(s) | 00920263 |
| Collector | E. H. Looff & H. B. Looff |
| Collector number | E 164 |
| Country | United States of America |
| State | Alaska |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Alaska |
| Locality | [data not captured] |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6b882cd8-1cc0-4cfe-a1d3-c118eaa5745a |
| Harvard University Herbaria Barcode | 00920263 |
| Herbarium | FH |
| Family | Hypnaceae |
| Determination | Ptilium crista-castrensis (Hedwig) De Notaris |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
