| Classification | Plantaginaceae: Penstemon |
| Harvard University Herbaria Barcode(s) | 00091194 |
| Type Status | Isotype |
| Collector | F. W. Pennell |
| Collector number | 20536 |
| Country | United States of America |
| State | Montana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Montana: Powell County |
| Locality | 9 miles northeast of Garrison, along little Black Foot River, shale cliff, 4700 feet |
| Date Collected | 1937-06-23 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0a5381bb-5976-44f3-bc25-c8607dd234de |
| Harvard University Herbaria Barcode | 00091194 |
| Herbarium | GH |
| Family | Plantaginaceae |
| Type Status | Isotype |
| Isotype of | Penstemon caelestinus Pennell |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Penstemon caelestinus Pennell) Notul. Nat. Acad. Nat. Sci. Philadelphia 1942. 95: 1. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
