Eupatoriadelphus dubius (Willdenow ex Poiret) R.M. King & H. Robinson
Eupatoriadelphus dubius (Willdenow ex Poiret) R.M. King & H. Robinson is a synonym sensu FNA Ed. Comm., 2006c of:
Eutrochium dubium (Willdenow ex Poiret) E.E. Lamont, an accepted species name sensu FNA Ed. Comm., 2006c.