| Classification | Byttneriaceae: Byttneria | 
| Harvard University Herbaria Barcode(s) | 00368309 | 
| Type Status | Isotype | 
| Collector | C. Vargas C. | 
| Collector number | 9736 | 
| Country | Peru | 
| State | Cuzco | 
| Geography | South America: South America (Region) (Region): Peru: Cuzco | 
| Locality | Paruro. Collcha-Paruro road, near the road, left bank of the Apurimac River; 2820 m | 
| Date Collected | 1939-01-07 | 
| Verbatim Elevation | 2820 m | 
| Habitat | among stone fences, near the road | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/046c1aaa-bd2f-43c1-b08f-beab4e28a729 | 
| Harvard University Herbaria Barcode | 00368309 | 
| Herbarium | A | 
| Previous ownership | [ex] University of California | 
| Family | Byttneriaceae | 
| Type Status | Isotype | 
| Isotype of | Byttneria vargasii Cristóbal | 
| Verified by | Dorr, Laurence J. | 
| Date Determined | 1991 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Byttneria vargasii Cristóbal) Bonplandia (Corrientes) 1976. 4: 151. | 
| Family | Byttneriaceae | 
| Determination | Byttneria vargasii Cristóbal | 
| Determined by | Cristóbal, Carmen Lelia | 
| Date Determined | 1975 | 
| Annotation Text | Isotipo | 
| Family | Byttneriaceae | 
| Determination | Byttneria cordata Lamarck | 
| Determined by | Standley, Paul Carpenter | 
| Date Determined | 1940-09-** | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |