| Classification | Papaveraceae: Platystigma | 
| Classification 1 | Papaveraceae: Hesperomecon | 
| Barcode(s) | 00010955 | 
| Type Status | Possible Type | 
| Collector | D. Douglas | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California | 
| Locality | San Francisco | 
| Remarks | right-hand specimen, with J. M. Bigelow specimen on left and Coulter specimen in upper left-hand packet determined as Hesperomecon linearis (Bentham) E. Greene by W. R. Ernst 1966 and G. L. Hannan 1989 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8faac6d1-79eb-4fa9-af46-9c24a2513b79 | 
| Harvard University Herbaria Barcode | 00010955 | 
| Herbarium | GH | 
| Previous ownership | Ex Herb. Collegii SS. Trin., Dublin | 
| Family | Papaveraceae | 
| Type Status | Possible Type | 
| Possible Type of |  Platystigma lineare Bentham | 
| Verified by | Brach, Anthony Robert | 
| Date Determined | 2014 | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Platystigma lineare Bentham) Trans. Hort. Soc. London 1834. ser. 2, 1: 407. | 
| Family | Papaveraceae | 
| Type Status | Possible Type | 
| Possible Type of |  Platystigma lineare Bentham | 
| Verified by | Ernst, Wallace Roy | 
| Date Determined | 1966 | 
| Taxon Reference | (for  Platystigma lineare Bentham) Trans. Hort. Soc. London 1834. ser. 2, 1: 407. | 
| 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 | Hannan, Gary L. | 
| Date Determined | 1989-08-11 | 
| Family | Papaveraceae | 
| Determination |  Platystigma lineare Bentham | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | FlowerAndFruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |