Achillea millefolium or common yarrow, a flowering plant native to temperate regions of the Northern Hemisphere.
Dendrocnide sinuata (synonym: Laportea crenulata), a species of nettle in the family Urticaceae found in Australia and South Asia.
Common yarrow, Achillea millefolium, the type species of the genus.
The green woodpecker, Picus viridis.
Any of several pungent Eurasian and North American herbs, of the genus Achillea, used in traditional herbal medicine.