Common Tansy
Tanacetum vulgare
Family:
Sunflower (Asteraceae)
AKA:
Bitter Buttons, Cow Bitter, Mugwort, Golden Buttons
Photo taken on:
September 4, 2005
Location:
Lower Loop, Crested Butte, CO
Life Zones:
Plains to montane
Habitat:
Moist disturbed soil
Grows to 3 feet tall in masses. It is a robust plant with dissected, aromatic, fern-like leaves. Button-like flower heads about 1/4" across grow in a flat tight cluster. There are no ray petals, only disc flowers.
Flora of North America reference.
NOXIOUS