| Classification | Hookeriaceae |
| Classification 1 | Hookeriaceae: Callicostella |
| Classification 2 | Hookeriaceae |
| Harvard University Herbaria Barcode(s) | 00213338 |
| Type Status | Isotype |
| Collector | J. A. Steyermark |
| Collector number | 29473 |
| Country | Guatemala |
| State | Zacapa |
| Geography | North America: Central America (Region): Guatemala: Zacapa |
| Locality | Sierra de las Minas, trail between Rio Hondo and waterfall, near hydro-electric station |
| Date Collected | 1939-10-10 |
| Elevation | 250 - 400 m |
| Habitat | moist rocky slopes |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/dc6c6329-2576-448f-8280-f5587caf2ebf |
| Harvard University Herbaria Barcode | 00213338 |
| Herbarium | FH |
| Family | Hookeriaceae |
| Determination | Callicostella vatteri E. B. Bartram |
| Determined by | E. B. Bartram |
| Determination Remarks | [is label name] |
| Annotation Text | Callicostella glabella Bartr. sp nov. C. vatteri Bartram sp. nov. fide E. B. Bartram |
| Family | Hookeriaceae |
| Determination | Callicostella merkelii (Hornschuch) Jaeger |
| Determined by | B. H. Allen (MO) |
| Date Determined | 2007 |
| Determination Remarks | [is Current name] |
| Family | Hookeriaceae |
| Type Status | Isotype |
| Isotype of | Callicostella vatteri E. B. Bartram |
| Verified by | B. H. ALlen (MO) |
| Date Determined | 2007 |
| Taxon Reference | (for Callicostella vatteri E. B. Bartram) Bryologist 1946. 49: 118. |
| Sex | not determined |
| Phenology | Sporophyte |
| Preparation Type | Packet |
| Preparation Method | Dried |
