| Classification | Orthotrichaceae: Groutiella | 
| Classification 1 | Orthotrichaceae: Macromitrium | 
| Harvard University Herbaria Barcode(s) | 01108606 | 
| Collector | P. C. Standley | 
| Collector number | 58353 | 
| Country | Guatemala | 
| State | Guatemala | 
| Geography | North America: Central America (Region): Guatemala | 
| Locality | Volcán de Pacaya, above Las Calderas | 
| Date Collected | 1938-11-30 | 
| Verbatim Elevation | 1800-2400 m. | 
| Substrate | On rock | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cf4b14f8-7797-4fdd-bb23-088a39f9b0ec | 
| Harvard University Herbaria Barcode | 01108606 | 
| Herbarium | FH | 
| Family | Orthotrichaceae | 
| Determination | Groutiella wagneriana (Müller Halle) H. A. Crum & Steere | 
| Determination Remarks | [filed under] [current name] | 
| Family | Orthotrichaceae | 
| Determination | Macromitrium lamprocarpum Müller Halle ex Renauld & Cardot | 
| Determined by | Bartram, Edwin Bunting | 
| Date Determined | 1941 | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |