| Classification | Bryophyta: Brachytheciaceae: Brachythecium | 
| Barcode(s) | 00286215 | 
| Type Status | Type | 
| Collector | Brother Gerfroy-Arsène  | 
| Collector number | 4937 | 
| Country | Mexico | 
| State | Puebla | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Puebla | 
| Locality | Hacienda Batan | 
| Date Collected | 1908-08-** | 
| Elevation | 2150 m | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0facec67-58d6-42c3-823e-67d0579440c8 | 
| Harvard University Herbaria Barcode | 00286215 | 
| Herbarium | FH | 
| Previous ownership | ex. Smithsonian Institution | 
| Family | Brachytheciaceae | 
| Type Status |  Type | 
| Type of |  Brachythecium salebrosum var. polyoicum Thériot | 
| Taxon Reference | (for  Brachythecium salebrosum var. polyoicum Thériot) Smithsonian Misc. Collect. 1931. 85(4): 36. | 
| Family | Brachytheciaceae | 
| Determination |  Brachythecium polyoicum (Thériot) McFarland | 
| Determined by | K. D. McFarland | 
| Date Determined | 1987-05-** | 
| Determination Remarks |  [current name] | 
| Family | Brachytheciaceae | 
| Determination |  Brachythecium salebrosum var. polyoicum Thériot | 
| Determined by | M. H. I. Thériot | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |