Low hills and plains in blue-gray and red sandy-clay derivatives of the Duchesne River Formation.
Duchesne River Formation; endemic to the vicinity of Tridell and Lapoint, Uintah Co., Utah.
Blue-gray and red sandy-clay derivatives
Holmgren NH. 1984. Penstemon and Keckiella. In Intermountain Flora, vol. 4. Ed. Arthur Cronquist et al. Bronx: The New York Botanical Garden.