| Classification | Plantaginaceae: Penstemon |
| Harvard University Herbaria Barcode(s) | 02120975 |
| Collector | R. S. Ferris & L. Lorraine |
| Collector number | 9359 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Locality | at edge of Kaibab Plateau on U.S. Highway #89 between Fredonia and Jacob Lake |
| Date Collected | 1937-07-09 |
| Habitat | Pine-juniper forest |
| Container | Plants of Arizona |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7b347a96-be8e-402f-8d96-6ca05291e8ed |
| Harvard University Herbaria Barcode | 02120975 |
| Herbarium | GH |
| Previous ownership | [ex] Dudley Herbarium of Stanford University |
| Family | Plantaginaceae |
| Determination | Penstemon linarioides var. sileri A. Gray |
| Determined by | Keck, David Daniels |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
