Parthenocissus quinquefolia var. vitacea (Knerr) L.H. Bailey

Parthenocissus quinquefolia var. vitacea (Knerr) L.H. Bailey is a synonym sensu FNA Ed. Comm., 2016 of:

Parthenocissus vitacea (Knerr) Hitchcock, an accepted species name sensu FNA Ed. Comm., 2016.