| Classification | Neckeraceae: Calyptothecium | 
| Harvard University Herbaria Barcode(s) | 00513822 | 
| Collector | T. C. Frye & E. M. Frye | 
| Collector number | 2868 | 
| Country | Mexico | 
| State | Hidalgo | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Hidalgo | 
| Locality | [data not captured] | 
| Date Collected | 1939-05-26 | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/47329cc2-9562-4b64-b47b-988c57bede25 | 
| Harvard University Herbaria Barcode | 00513822 | 
| Herbarium | FH | 
| Family | Neckeraceae | 
| Determination | Calyptothecium duplicatum (Schwägrichen) Brotherus | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |