| Classification | Brassicaceae: Lesquerella |
| Classification 1 | Brassicaceae: Physaria |
| Harvard University Herbaria Barcode(s) | 00019342 |
| Type Status | Holotype |
| Collector | I. M. Johnston & C. H. Muller |
| Collector number | 556 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila |
| Locality | Sierra del Pino: dry western ridge near head of old lo-slide (north of great cliffs) about 10 miles north of camp at La Noria |
| Date Collected | 1940-08-22 |
| Habitat | Limestone crevices along crest of high ridge |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b577f4f6-450a-4f46-9136-05bbfc3c6d56 |
| Harvard University Herbaria Barcode | 00019342 |
| Herbarium | GH |
| Family | Brassicaceae |
| Type Status | Holotype |
| Holotype of | Lesquerella johnstonii Rollins |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Taxon Reference | (for Lesquerella johnstonii Rollins) Contr. Dudley Herb. 1941. 3: 179. |
| Family | Brassicaceae |
| Determination | Physaria johnstonii (Rollins) O'Kane & Al-Shehbaz |
| Determined by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | [current name] |
| Family | Brassicaceae |
| Determination | Lesquerella johnstonii Rollins |
| Determined by | R. C. Rollins & E. A. Shaw |
| Date Determined | 1970-06-** |
| Annotation Text | HOLOTYPE |
| Family | Brassicaceae |
| Determination | Lesquerella johnstonii Rollins |
| Determination Remarks | [label name] |
| Annotation Text | Type |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |