| Classification | Plantaginaceae: Penstemon |
| Harvard University Herbaria Barcode(s) | 02002069 |
| Collector | S. Hayes |
| Collector number | 567 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas |
| Locality | Rio Colorado |
| Date Collected | 1858-05-17 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/919250bd-9982-4621-b193-dc8085313417 |
| Harvard University Herbaria Barcode | 02002069 |
| Herbarium | GH |
| Previous ownership | Ex Herb. George Thurber. |
| Family | Plantaginaceae |
| Determination | Penstemon ambiguus Torrey |
| Determined by | Pennell, Francis Whittier |
| Date Determined | 1930 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
