| Classification | Papaveraceae: Hesperomecon |
| Barcode(s) | 00257595 |
| Collector | |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Contra Costa County |
| Locality | east of Antioch |
| Elevation | 22 m |
| Habitat | sand hills |
| Container | Plants of California |
| Substrate | sand |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7b228e06-e726-4ff9-a1c7-dea515dd4d0e |
| Harvard University Herbaria Barcode | 00257595 |
| Herbarium | GH |
| Family | Papaveraceae |
| Determination | Hesperomecon linearis (Benthem) Greene |
| Determined by | Wei, Xiao |
| Date Determined | 2014 |
| Determination Remarks | [current name] |
| Family | Papaveraceae |
| Determination | Hesperomecon linearis (Benthem) Greene |
| Determined by | G. L. Hannan |
| Date Determined | 1989-08-11 |
| Family | Papaveraceae |
| Determination | Hesperomecon linearis (Benthem) Greene |
| Determined by | W. R. Ernst |
| Date Determined | 1966 |
| Family | Papaveraceae |
| Determination | Hesperomecon angusta Greene |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |