This patch was seen in a ditch with some unidentified wild-grasses. It was a fairly large patch and seemed to be in good health.
Flash shot at dusk for ID purposes, but I liked the way it came out. Who'd'a thunk? Little suburban weed.
Feverfew has been used for migraine prevention, and there is some evidence that it may be effective.
Tanacetum is a genus of about 70 species of flowering plant in the family Asteraceae, native to temperate regions of the Northern Hemisphere.