Any of several similar pungent Eurasian herbs, of the genus Achillea
Common yarrow, Achillea millefolium.
Any plants of the genus Myriophyllum; water milfoil.
Any of several pungent Eurasian and North American herbs, of the genus Achillea, used in traditional herbal medicine.
The green woodpecker, Picus viridis.
Common yarrow, Achillea millefolium, the type species of the genus.