Name: Sandy B. Ford River Twp, Michigan UP (Zone 4b) (Zone 4b-maybe 5a)
ah ha, so that's what it is ... I've seen this weed before and didn't know what it was, either! (if the flowers were about 10 times bigger we'd all be wanting to grow it!)
“Think occasionally of the suffering of which you spare yourself the sight." ~ Albert Schweitzer C/F temp conversion