| Classification | Hypnaceae: Isopterygium |
| Barcode(s) | 00213383 |
| Type Status | Holotype |
| Collector | A. H. G. Alston |
| Collector number | 5574c |
| Country | Venezuela |
| State | Distrito Federal |
| Geography | South America: South America (Region) (Region): Venezuela: Distrito Federal |
| Locality | Pico de El Avila, 2000 m. |
| Date Collected | 1938-12-17 |
| Remarks | Herbarium Bartram sheet 6498. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9212d706-6010-4135-aeda-6534d9147085 |
| Harvard University Herbaria Barcode | 00213383 |
| Herbarium | FH |
| Previous ownership | Herbarium Bartram sheet 6498 |
| Family | Hypnaceae |
| Type Status | Holotype |
| Holotype of | Isopterygium alstonii E. B. Bartram |
| Verified by | Ireland, Robert Root |
| Date Determined | 1988 |
| Determination Remarks | [filed under] [current name] |
| Taxon Reference | (for Isopterygium alstonii E. B. Bartram) Bryologist 1953. 56: 168. |
| Family | Hypnaceae |
| Determination | Isopterygium alstonii E. B. Bartram |
| Determined by | Bartram, Edwin Bunting |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |