Rhus radicans subsp. rydbergii (Small ex Rydberg) McNeill

Rhus radicans subsp. rydbergii (Small ex Rydberg) McNeill is a synonym of:

Toxicodendron radicans var. rydbergii (Small ex Rydberg) Erskine, an accepted variety name sensu FNA Ed. Comm., 2021.