(from the article `yarrow`) Some species are cultivated as garden ornamentals. The dried leaves of sneezewort (A. ptarmica) are used to make a sneezing powder, and parts of ... Found on http://www.britannica.com/eb/a-z/m/90
Mil'foil noun [ French mille- feuille , Latin millefolium ; mille thousand + folium leaf. See Foil a leaf.] (Botany) A common composite herb ( Achillea Millefolium ) with white flowers and finely dissected leaves; yarrow. Water milfoil (Bot... Found on http://www.encyclo.co.uk/webster/M/65
Another name for the herb yarrow. Water milfoils are unrelated; they have whorls of fine leaves and grow underwater. (Genus Miriophyllum, family Haloragidaceae.) Found on https://www.encyclo.co.uk/local/21221