| Classification | Papaveraceae: Platystigma |
| Classification 1 | Papaveraceae: Hesperomecon |
| Harvard University Herbaria Barcode(s) | 00257593 |
| Collector | C. G. Michener & F. T. Bioletti |
| Collector number | 138 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Francisco County |
| Locality | [Cliff house?] |
| Date Collected | 1891-04-** |
| Container | Plants of Cal. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/de37e621-e26f-415c-a049-f09bbf11eaba |
| Harvard University Herbaria Barcode | 00257593 |
| Herbarium | GH |
| Family | Papaveraceae |
| Determination | Platystigma californicum Bentham & Hooker f. |
| Determination Remarks | [or Platystemon californicus Benth.?] [is label name] |
| Annotation Text | P. californicum |
| Family | Papaveraceae |
| Determination | Hesperomecon linearis (Benthem) Greene |
| Determined by | W. R. Ernst |
| Date Determined | 1966 |
| Annotation Text | Probably "Cliff House" |
| 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 | Wei, Xiao |
| Date Determined | 2014 |
| Determination Remarks | [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
