| Classification | Plantaginaceae: Penstemon | 
| Harvard University Herbaria Barcode(s) | 02002251 | 
| Collector | U. T. Waterfall | 
| Collector number | 14863 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Le Flore County | 
| Locality | 9.5 miles south of Heavener | 
| Date Collected | 1958-05-11 | 
| Habitat | In open pine woods | 
| Container | Plants of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4f6fe601-d244-44cb-8991-eae82f706787 | 
| Harvard University Herbaria Barcode | 02002251 | 
| Herbarium | GH | 
| Family | Plantaginaceae | 
| Determination | Penstemon arkansanus Pennell | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |