What is this weed?
I think it matures into terrible little prickles that got on my clothes do bad I had to throw them away because I could not remove them.
Ramsey County Minnesota noxious weeds
General consensus is Pennsylvania Pellitory. Here is information on this weed/wildflower: https://www.minnesotawildflowers.info/flower/pennsylvania-pellitory
Another possibility was Galium aparine (Sticky-willy) but the leaves on yours do not seem to have the spines on the edges: https://www.minnesotawildflowers.info/flower/sticky-willy