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.
Any of several similar pungent Eurasian herbs, of the genus Achillea
Any plants of the genus Myriophyllum; water milfoil.