| Classification | Boraginaceae: Plagiobothrys | 
| Harvard University Herbaria Barcode(s) | 00420019 | 
| Collector | J. P. Tracy | 
| Collector number | 12244 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Humboldt County | 
| Locality | Mattole Valley near Petrolia | 
| Date Collected | 1933-05-20 | 
| Verbatim Elevation | 100 feet | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/597a9381-1063-41de-b020-665f3930f2c1 | 
| Harvard University Herbaria Barcode | 00420019 | 
| Herbarium | GH | 
| Family | Boraginaceae | 
| Determination | Plagiobothrys diffusus (Greene) I. M. Johnstone | 
| Determined by | Higgins, Larry C. | 
| Date Determined | 1972 | 
| Determination Remarks | [current name] | 
| Family | Boraginaceae | 
| Determination | Plagiobothrys diffusus (Greene) I. M. Johnstone | 
| Determination Remarks | [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |