| Classification | Orthotrichaceae: Macromitrium |
| Harvard University Herbaria Barcode(s) | 00213566 |
| Type Status | Holotype |
| Collector | J. A. Steyermark |
| Collector number | 42274 |
| Country | Guatemala |
| State | Zacapa |
| Geography | North America: Central America (Region): Guatemala: Zacapa |
| Locality | Sierra de Las Minas, Oak-pine woods along upper reaches of Río Sitio Nuevo, between Santa Rosalía and first waterfall, 1200-1500 m. |
| Date Collected | 1942-01-09 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/343c968b-68af-44d5-9ad9-002735c5d1ac |
| Harvard University Herbaria Barcode | 00213566 |
| Herbarium | FH |
| Family | Orthotrichaceae |
| Type Status | Holotype |
| Holotype of | Macromitrium altituberculosum E. B. Bartram |
| Determination Remarks | [is filed under name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
