| Classification | Plantaginaceae: Penstemon |
| Harvard University Herbaria Barcode(s) | 00091197 |
| Type Status | Syntype |
| Collector | W. G. Wright |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Bernardino County |
| Locality | Mount Grayback, San Bernardino Mountains |
| Date Collected | 1880-06-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e7ee082d-5e04-4bd5-a8b0-e1cc1cbde5b2 |
| Harvard University Herbaria Barcode | 00091197 |
| Herbarium | GH |
| Family | Plantaginaceae |
| Type Status | Syntype |
| Syntype of | Penstemon caesius A. Gray |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Penstemon caesius A. Gray) Proc. Amer. Acad. Arts 1883. 19: 92. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
