a white common yarrow, medicinal plant, also known as soldier's wound wort

achillea asia bitters bleed blood wort blossom common europe field flavonoid flora flower food garden grass green health herb isovaleric acid meadow medicinal medicine millefolium native north america nosebleed pink plant salicylic soldier staunch weed sterol summer survival tannins tea temperate tiny traditional vitamin white wild wound yarrow soldier's wort