Sheep Sorrel
Rumex acetosella

Family: Buckwheat (Polygonaceae)
AKA: Red Sorrel, Sour weed, Field Sorrel
Photo taken on: July 8, 2004
Location: Lower Loop, Crested Butte, CO
Life Zones: Plains to montane
Habitat: Disturbed soil

Grows to 18" with a reddish stem. Leaves are narrow and arrow-shaped.

Flora of North America reference.