Rhus radicans var. rydbergii (Small ex Rydberg) Rehder

Rhus radicans var. rydbergii (Small ex Rydberg) Rehder is a synonym sensu FNA Ed. Comm., 2021 of:

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