Achillea lanulosa (A. millefolium)

Yarrow
Achillea lanulosa (A. millefolium)

Family: Sunflower (Asteraceae)
AKA: Nosebleed Plant, Milfoil
Photo taken on: July 7, 2004
Location: Almont, CO
Life Zones: Foothills to alpine
Habitat: Dry meadows and slopes

Grows to 3ft with fern-like leaves which have a distinctive smell. It has medicinal properties.

Flowers grow in flat-topped clusters, most commonly white.

Less commonly pink.

Yarrow : Achillea lanulosa (rockymountainsflora.com)

Achillea millefolium - Wikipedia

White Flowers - Rocky Mountain National Park (U.S. National Park Service) (nps.gov)