| Classification | Papaveraceae: Hesperomecon |
| Classification 1 | Papaveraceae: Meconella |
| Classification 2 | Papaveraceae: Hesperomecon |
| Harvard University Herbaria Barcode(s) | 00257596 |
| Collector | C. F. Baker |
| Collector number | 2802 |
| 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 | Antioch |
| Date Collected | 1903-04-25 |
| Container | Plants of the Pacific Coast |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4f0f8504-4bad-461b-966f-cf99e8d9bc20 |
| Harvard University Herbaria Barcode | 00257596 |
| Herbarium | GH |
| Family | Papaveraceae |
| Determination | Hesperomecon angusta Greene |
| Determined by | E. L. Greene |
| Determination Remarks | [is label name] |
| Family | Papaveraceae |
| Determination | Hesperomecon linearis (Benthem) Greene |
| Determined by | W. R. Ernst |
| Date Determined | 1966 |
| Family | Papaveraceae |
| Determination | Meconella oregana Nuttall |
| Determined by | G. L. Hannan |
| Date Determined | 1989-08-11 |
| Family | Papaveraceae |
| Determination | Hesperomecon linearis (Benthem) Greene |
| Determined by | Wei, Xiao |
| Date Determined | 2014 |
| Determination Remarks | [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
