Clematis viorna var. flaccida (Small ex Rydberg) R.O. Erickson
Clematis viorna var. flaccida (Small ex Rydberg) R.O. Erickson is a synonym sensu FNA Ed. Comm., 1997 of:
Clematis viorna Linnaeus, an accepted species name sensu FNA Ed. Comm., 1997.
Clematis viorna var. flaccida (Small ex Rydberg) R.O. Erickson is a synonym sensu FNA Ed. Comm., 1997 of:
Clematis viorna Linnaeus, an accepted species name sensu FNA Ed. Comm., 1997.