Wildflower Photos in Colorado by Paul Chubbuck
Knotweed Family (Polygonaceae)
Eriogonum umbellatum (Sulphur Flower) - Knotweed Family (Polygonaceae)
Bistorta sp. (Bistort) - Knotweed Family (Polygonaceae)
Bistorta sp. (Bistort) - Knotweed Family (Polygonaceae)