| Classification | Plantaginaceae: Penstemon | 
| Harvard University Herbaria Barcode(s) | 00091503 | 
| Type Status | Isotype | 
| Collector | F. W. Pennell | 
| Collector number | 5821 | 
| Country | United States of America | 
| State | Colorado | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Jefferson County | 
| Locality | North of Morrison, stony granitic hillside, ca. 6000-6300 feet | 
| Date Collected | 1915-06-13 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/44bb4b6e-5888-4a60-bb8b-fce739146eba | 
| Harvard University Herbaria Barcode | 00091503 | 
| Herbarium | GH | 
| Family | Plantaginaceae | 
| Type Status | Isotype | 
| Isotype of | Penstemon virens Pennell ex Rydberg | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Penstemon virens Pennell ex Rydberg) Fl. Rocky Mts. 1917. 773. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |