Single-leaved Skunkbrush: Rhus aromatica var. simplicifolia (Synonym: Rhus trilobata var. simplicifolia)
Smooth Sumac: Rhus glabra (Synonyms: Rhus borealis, Rhus calophylla, Rhus glabra var. cismontana, Rhus glabra var. laciniata, Rhus glabra var. occidentalis)
Lemonade Berry, Lemonade Sumac: Rhus integrifolia
Sugar Bush, Sugar Sumac: Rhus ovata (Synonym: Rhus ovata var. traskiae)
Poisonoak, Poison Oak: Toxicodendron diversilobum (Synonyms: Rhus diversiloba, Toxicodendron radicans ssp. diversilobum)