Rhus typhina Linnaeus. Subgenus: Rhus. Phen: May-Jun; Jun-Sep. Hab: Roadsides, old pastures, thickets, clearings, rock outcrops, barrens. Dist: NS and NB west to MN, south to n. GA, AL, MS, and KS.
Origin/Endemic status: Native
Taxonomy Comments: The apparently older epithet "hirta" was formally rejected in 1999 (see Gandhi 2016 for summary).
Other Comments: The species, especially in its cut-leaved forms, forma laciniata (Wood) Rehder and forma dissecta Rehder, is very popular in Europe as a cultivated ornamental.
Synonymy: = C, F, G, K1, K3, K4, Mi, Mo2, NeUS, NY, Pa, RAB, Tn, Va, W, WV; = Rhus hirta (L.) Sudw. – Il, NE, S; = Schmaltzia hirta (L.) Small; > Rhus typhina L. var. laciniata Alph.Wood – Barkley (1937); > Rhus typhina L. var. typhina – Barkley (1937)