| Classification | Brassicaceae: Thelypodium | 
| Classification 1 | Brassicaceae: Thelypodiopsis | 
| Harvard University Herbaria Barcode(s) | 00019725 | 
| Type Status | Holotype | 
| Collector | J. S. Newberry? | 
| Collector number | 62 | 
| Country | United States of America | 
| State | Colorado | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado | 
| Date Collected | 1858-03-27 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2125d44a-f69b-4518-b5db-1bd5fa54c6f7 | 
| Harvard University Herbaria Barcode | 00019725 | 
| Herbarium | GH | 
| Family | Brassicaceae | 
| Type Status | Holotype | 
| Holotype of | Thelypodium ambiguum S. Watson | 
| Taxon Reference | (for  Thelypodium ambiguum S. Watson) Proc. Amer. Acad. Arts 1879. 14: 290. | 
| Family | Brassicaceae | 
| Determination | Thelypodiopsis ambigua (S. Watson) Al-Shehbaz | 
| Determined by | I. Al-Shehbaz | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |