Rhus grandifolia Rhus villosissima Toxicodendron grandifolium Toxicodendron discolor Toxicodendron villosissimum Rhus discolor Rhus discolor var. villosissima Rhus discolor f. grandifolia Rhus discolor f. villosissima Rhus discolor f. latifolia
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024