More cancer-root

These often grow in attractive clusters. I would have posted this species sooner, but was somehow convinced I already had. Today's random selection was fortuitous? Wiki says this is considered rare or vulnerable in 17 states and 5 provinces. USDA mentions no listings of protected status. They do have a long list of places where it is listed as a noxious weed. I guess you can't be both noxious and protected?