| Harvard University Herbaria Barcode(s) | 00091284 | 
| Type Status | Syntype | 
| Collector | F. V. Hayden | 
| Country | United States of America | 
| State | Wyoming | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming | 
| Locality | Laramie Mountains | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/425cb4f9-1380-4f87-87cc-d8c1da21ddd6 | 
| Harvard University Herbaria Barcode | 00091284 | 
| Herbarium | GH | 
| Type Status | Syntype | 
| Syntype of | Penstemon haydenii S. Watson | 
| Verified by | W. T. Kittredge | 
| Date Determined | 2007 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Penstemon haydenii S. Watson) Bot. Gaz. 1891. 16: 311. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |