| Classification | Elaphoglossaceae: Elaphoglossum |
| Harvard University Herbaria Barcode(s) | 00021199 |
| Type Status | Holotype |
| Collector | B. Peyton & S. T. Peyton |
| Collector number | 1491 |
| Country | Peru |
| State | Cusco |
| Geography | South America: South America (Region) (Region): Peru: Cusco: Urubamba |
| Locality | Machu Picchu, on a slope 0.5 km. north of the union of the Sayacmarca and Aobamba Rivers, 2390 m. |
| Date Collected | 1982-10-13 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/11c01557-6989-4091-902f-e43d0e6436ae |
| Harvard University Herbaria Barcode | 00021199 |
| Herbarium | GH |
| Family | Elaphoglossaceae |
| Type Status | Holotype |
| Holotype of | Elaphoglossum williamsiorum Mickel |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Elaphoglossum williamsiorum Mickel) Fieldiana, Bot. 1991. n.s., 27: 163. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
