| Classification | Plantaginaceae: Penstemon | 
| Harvard University Herbaria Barcode(s) | 02001835 | 
| Collector | A. Eastwood | 
| Collector number | 5661 | 
| Country | United States of America | 
| State | Arizona | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona | 
| Locality | Grand Canyon of the Colorado River | 
| Date Collected | 1916-06-15 | 
| Container | Flora of Arizona | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0ea560a7-e49f-47af-85d3-fe590944b559 | 
| Harvard University Herbaria Barcode | 02001835 | 
| Herbarium | GH | 
| Previous ownership | [ex] California Academy of Sciences | 
| Family | Plantaginaceae | 
| Determination | Penstemon acuminatus Douglas ex Lindley | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |