Clematis virginiana var. missouriensis (Rydberg) E.J. Palmer & Steyermark

Clematis virginiana var. missouriensis (Rydberg) E.J. Palmer & Steyermark is a synonym sensu FNA Ed. Comm., 1997 of:

Clematis virginiana Linnaeus, an accepted species name sensu FNA Ed. Comm., 1997.