Relentless Weed ID
The pictured weed continues to pop up relentlessy over a 10 foot area. I dug down this spring and they were all connected to a pretty thick (thicker than my thumb), orange, woody root growing horizontally about 18 inches down in the clay.
It seems like I may have to dig all of the dirt up to get every last inch of this pest. Any ideas what it is and a good way of getting rid of it once and for all?