"*Eupatorium dubium (Willd. ex Poir.)" . . . . "Eutrochium dubium, also called coastal plain joe pye weed, is a North American flowering plant in the sunflower family. It is native to the eastern United States and Canada, primarily the Atlantic coastal plain from Georgia to Nova Scotia.Eutrochium dubium is a herbaceous perennial plant herb sometimes as much as 170 cm (68 inches or 5 2/3 feet) tall. Stems are sometimes purple, sometimes green with purple spots."@en . . . . "*Eupatoriadelphus dubius (Willd. ex Poir.) R.M. King & H. Rob.)" . . . . .