| Classification | Brassicaceae: Mathewsia |
| Harvard University Herbaria Barcode(s) | 00019376 |
| Type Status | Holotype |
| Collector | R. A. Ferreyra |
| Collector number | 11678 |
| Country | Peru |
| State | Arequipa |
| Geography | South America: South America (Region) (Region): Peru: Arequipa: Islay |
| Locality | Lomas de Tambo, cerca al valle |
| Date Collected | 1955-12-02 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a1d3e814-320a-4835-845a-0d4d929121bd |
| Harvard University Herbaria Barcode | 00019376 |
| Herbarium | GH |
| Family | Brassicaceae |
| Type Status | Holotype |
| Holotype of | Mathewsia densifolia Rollins |
| Verified by | Ihsan A. Al-Shehbaz |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Mathewsia densifolia Rollins) Acta Bot. Neerl. 1966. 15: 110. |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |