Penstemon scariosus is a species of flowering plant in the plantain family known by the common name White River beardtongue.

cyanomontanus (Neese's Blue Mountain beardtongue), and var.

albifluvis is a rare variety limited to northeastern Utah and northwestern Colorado.

It is up to 30 centimeters tall and produces lavender or light blue flowers.

[4] This variety is a candidate for federal protection because it grows on oil shale, a common source of petroleum.