Compare with American burn weed (Erechtites hieracifolia).
https://oak.ppws.vt.edu/~fless...
Good addition to the compost pile...
I'm never too concerned about this plant, it gets large... but remains one of the easiest weeds to pull...
The reason there is always so many of them is that the seeds resemble dandy-lion fluff... and blow over from the patch down the street...
