| Classification | Plantaginaceae: Penstemon |
| Harvard University Herbaria Barcode(s) | 00091203 |
| Type Status | Isotype |
| Collector | F. W. Pennell, F. B. Cotner & R. L. Schaeffer, Jr. |
| Collector number | 23679 |
| Country | United States of America |
| State | Montana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Montana: Deer Lodge County |
| Locality | West of Lake southwest of Twin Lakes, mountains southwest of Anacaonda, sttep mountain slopes, 8500-8800 feet |
| Date Collected | 1938-07-28 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2ca601bc-ceb6-48e4-8b64-bc012e4b346f |
| Harvard University Herbaria Barcode | 00091203 |
| Herbarium | GH |
| Family | Plantaginaceae |
| Type Status | Isotype |
| Isotype of | Penstemon cephalanthus Pennell |
| Taxon Reference | (for Penstemon cephalanthus Pennell) Notul. Nat. Acad. Nat. Sci. Philadelphia 1942. 95: 3. |
| Family | Plantaginaceae |
| Determination | Penstemon attenuatus var. militaris (Greene) Cronquist |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
