Yarrow Botanical Identification Common Names: Yarrow, Common Yarrow, Milfoil, Thousand-leaf, Waabano-washk (Anishinaabemowin - "Eastern Medicine"), Ajidamoowaanow (Anishinaabemowin - "Squirrel Tail"). Latin Name: Achillea millefolium . Plant Species: Achillea belongs to the aster family (Asteraceae). Known Habitat: Yarrow is incredibly adaptable and widespread across North America, particularly thriving in the Great Lakes, Plains, and Woodland regions. It is commonly f