| Classification | Brassicaceae: Dryopetalon |
| Classification 1 | Brassicaceae: Sisymbrium |
| Classification 2 | Brassicaceae: Thelypodium |
| Classification 3 | Brassicaceae: Sisymbrium |
| Classification 4 | Brassicaceae: Dryopetalon |
| Classification 5 | Brassicaceae: Sisymbrium |
| Harvard University Herbaria Barcode(s) | 00019117 |
| Type Status | Holotype |
| Collector | C. V. Hartman |
| Collector number | 629 |
| Country | Mexico |
| State | Chihuahua |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chihuahua |
| Locality | Puerta de St. Diego |
| Date Collected | 1891-04-12 |
| Elevation | 1981 m |
| Verbatim Elevation | 6500 [feet] |
| Habitat | Shady places in rocks |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8b0882eb-3eab-405a-aed6-f2a22e4d31c4 |
| Harvard University Herbaria Barcode | 00019117 |
| Herbarium | GH |
| Family | Brassicaceae |
| Determination | Dryopetalon runcinatum A. Gray |
| Determined by | Payson, Edwin Blake |
| Family | Brassicaceae |
| Determination | Sisymbrium umbrosum B. L. Robinson |
| Determined by | Robinson, Benjamin Lincoln |
| Annotation Text | n. sp. |
| Family | Brassicaceae |
| Determination | Thelypodium auriculatum (A. Gray) S. Watson |
| Determination Remarks | [is label name] |
| Family | Brassicaceae |
| Determination | Sisymbrium umbrosum B. L. Robinson |
| Determined by | Rollins, Reed Clark |
| Date Determined | 1838 |
| Annotation Text | Type |
| Family | Brassicaceae |
| Determination | Dryopetalon runcinatum A. Gray |
| Determined by | Rollins, Reed Clark |
| Date Determined | 1938 |
| Family | Brassicaceae |
| Determination | Sisymbrium umbrosum B. L. Robinson |
| Determined by | Al-Shehbaz, Ihsan Ali |
| Date Determined | 2009-12-02 |
| Determination Remarks | [is Current name] |
| Annotation Text | Holotype |
| Family | Brassicaceae |
| Type Status | Holotype |
| Holotype of | Sisymbrium umbrosum B. L. Robinson |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Sisymbrium umbrosum B. L. Robinson) Bot. Gaz. 1900. 30: 60. |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
