| Classification | Plantaginaceae: Penstemon |
| Harvard University Herbaria Barcode(s) | 00091131 |
| Type Status | Isotype |
| Collector | F. W. Pennell |
| Collector number | 5918 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Uinta County |
| Locality | 1-2 miles south of Evanston, edge of draw on mountain-side, ca. 7000-7300 feet |
| Date Collected | 1915-06-26 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8724cd8b-8756-4826-a97e-8fc44b173954 |
| Harvard University Herbaria Barcode | 00091131 |
| Herbarium | GH |
| Family | Plantaginaceae |
| Type Status | Isotype |
| Isotype of | Penstemon aggregatus Pennell |
| Taxon Reference | (for Penstemon aggregatus Pennell) Contr. U.S. Natl. Herb. 1920. 20: 367. |
| Family | Plantaginaceae |
| Determination | Penstemon rydbergii var. aggregatus (Pennell) N. H. Holmgren |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
