| Classification | Hypnaceae: Ptilium |
| Harvard University Herbaria Barcode(s) | 01141917 |
| Collector | N. G. Slack |
| Collector number | 254 |
| Country | United States of America |
| State | New York |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Saint Lawrence County |
| Locality | [data not captured] |
| Date Collected | 1968-07-30 |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/67b458d9-8a91-49ee-a77d-beb283c14139 |
| Harvard University Herbaria Barcode | 01141917 |
| 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 |
