| Classification | Papaveraceae: Corydalis | 
| Harvard University Herbaria Barcode(s) | 01738647 | 
| Collector | Nelson, Smith & J. Merkle | 
| Collector number | 109 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Caddo County | 
| Locality | near Verden | 
| Date Collected | 1937-03-29 | 
| Habitat | Roadside | 
| Container | Plants of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b02633e9-54d5-4067-95db-5478b8283442 | 
| Harvard University Herbaria Barcode | 01738647 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium of the University of Oklahoma | 
| Family | Papaveraceae | 
| Determination | Corydalis curvisiliqua subsp. grandibracteata (Fedde) G. B. Ownbey | 
| Determined by | Ownbey, Gerald Bruce | 
| Date Determined | 1947 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |