| Classification | Plantaginaceae: Penstemon | 
| Barcode(s) | 01801131 | 
| Collector | E. L. Hughes | 
| Collector number | 31 | 
| Country | United States of America | 
| State | Colorado | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado | 
| Locality | Glen Park | 
| Date Collected | 1891-08-17 | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c75a7e5f-b44b-4a0c-bfd6-ac4772979dde | 
| Harvard University Herbaria Barcode | 01801131 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium of J. Franklin Collins, Providence, R. I. | 
| Family | Plantaginaceae | 
| Determination |  Penstemon unilateralis Rydberg | 
| Determined by | Pennell, Francis Whittier | 
| Date Determined | 1930 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |