White Checker Mallow
Sidalcea candida

Family: Mallow (Malvaceae)
AKA: Modest Mallow, White Checkerbloom
Photo taken on: August 4, 2007
Location: Beckwith Pass Trail, GV, CO
Life Zones: Foothills to subalpine
Habitat: Moist stream banks and meadows

Grows to 3 feet high in dense patches with large showy flowers.

Flora of North America reference.