| Classification | Plantaginaceae: Penstemon | 
| Harvard University Herbaria Barcode(s) | 02002978 | 
| Collector | Ced. L. Porter & R. C. Rollins | 
| Collector number | 5680 | 
| Country | United States of America | 
| State | Wyoming | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Sweetwater County | 
| Locality | southwestern Sweetwater County.; on the eastern flank of Cedar Mt. | 
| Date Collected | 1951-06-28 | 
| Verbatim Elevation | 7,200 ft. | 
| Habitat | among junipers | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/60f35a43-623b-4bc3-ad79-0e03d85a8eda | 
| Harvard University Herbaria Barcode | 02002978 | 
| Herbarium | GH | 
| Previous ownership | [ex] The Rocky Mountain Herbarium, University of Wyoming, Laramie | 
| Family | Plantaginaceae | 
| Determination | Penstemon caespitosus Nuttall ex A. Gray | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |