... stomach and intestinal upset.Plant description:Yarrow, a member of the Asteraceae family, is closely related ... to the chamomiles. It flourishes in a sunny and warm habitat, and is frequently found ... medicinal properties. One study examining the effects of a three-herb mouthwash (yarrow, juniper, nettle) showed ... adults are calculated on the basis of a 150 lb (70 kg) adult. Therefore, if the child ...