| Classification | Brassicaceae: Thelypodiopsis |
| Harvard University Herbaria Barcode(s) | 02463507 |
| Collector | F. W. Pennell |
| Collector number | 17443 |
| Country | Mexico |
| State | Zacatecas |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Zacatecas |
| Locality | Aranzazu; Sierra Madre Oriental; below A. |
| Date Collected | 1934-07-19 |
| Verbatim Elevation | 2500-2600 m. |
| Habitat | Limestone rocks |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/36a82f10-5297-43cd-98fd-77268be9faef |
| Harvard University Herbaria Barcode | 02463507 |
| Herbarium | GH |
| Previous ownership | [ex] The Academy of Natural Sciences of Philadelphia |
| Family | Brassicaceae |
| Determination | Thelypodiopsis retrofracta (Rollins) Rollins |
| Determined by | Rollins, Reed Clark |
| Date Determined | 1975 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
