| Classification | Bryophyta: Brachytheciaceae: Brachythecium |
| Harvard University Herbaria Barcode(s) | 00284331 |
| Type Status | Isolectotype |
| 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 | 1908-12-** |
| Elevation | 2150 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7c4225b3-7894-49c6-9286-e8b2e7fc1f8c |
| Harvard University Herbaria Barcode | 00284331 |
| Herbarium | FH |
| Previous ownership | Herbarium Bartram sheet 1231 |
| Family | Brachytheciaceae |
| Type Status | Isolectotype |
| Isolectotype 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 (TENN) |
| Date Determined | 1992-04-** |
| Determination Remarks | [current name] |
| Annotation Text | Brachythecium polyoicum (Thériot) McFarland stat. nov. |
| Family | Brachytheciaceae |
| Determination | Brachythecium salebrosum var. polyoicum Thériot |
| Determined by | K. D. McFarland (TENN) |
| Date Determined | 1987-05-** |
| Family | Brachytheciaceae |
| Determination | Brachythecium salebrosum var. polyoicum Thériot |
| Determined by | G. Theriot |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |