| Classification | Ptychomitriaceae: Ptychomitrium |
| Harvard University Herbaria Barcode(s) | 00079943 |
| Collector | F. W. Pennell |
| Collector number | 17371b |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila |
| Locality | Sierra Guadalupe, South of La Cuchilla, Sierra Madre Oriental |
| Date Collected | 1934-07-15 |
| Elevation | 2300 - 2600 m |
| Substrate | limestone ledges |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/246468ce-c1f3-44f3-a0e7-c9a0cd5c2db3 |
| Harvard University Herbaria Barcode | 00079943 |
| Herbarium | FH |
| Previous ownership | Herbarium Bartram sheet 9787; PH |
| Family | Ptychomitriaceae |
| Determination | Ptychomitrium serratum Bruch & Schimper |
| Determined by | E. B. Bartram |
| Determination Remarks | [is label name] |
| Family | Ptychomitriaceae |
| Determination | Ptychomitrium serratum Bruch & Schimper |
| Determined by | N. G. Miller (NYS) |
| Date Determined | 2009-05-** |
| Determination Remarks | [is Current name] |
| Annotation Text | ! |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
