Achillea millefolium, a flowering plant widespread in the temperate Northern Hemisphere, formerly and sometimes used to stanch the flow of blood.
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.