Rydberg's Penstemon
Penstemon rydbergii

Family: Plantaginaceae (Plantain)
AKA: Meadow Penstemon
Photo taken on: July 15, 2009
Location: Crested Butte, CO
Life Zones: Foothills to subalpine
Habitat: Moist meadows

Grows to 16". Flowers are dark blue to violet. Grows in wetter places with larger flowers than Clustered Penstemon.

Flora of North America reference.