Rhus pubescens
| Rhus pubescens (Miller) Farwell, Rep. (Annual) Commiss. Parks & Boulev. Detroit 11: 73. 1900, non Thunberg 1794, nec Ecklon & Zeyher 1836. | BASIONYM: Toxicodendron pubescens Miller 1768. | |
Rhus quercifolia
| Rhus quercifolia (Michaux) Steudel ex B. L. Robinson & Fernald, in A. Gray, Manual, ed. 7. 553. 1908, non Goeppert 1855. | BASIONYM: Rhus toxicodendron Linnaeus, var. quercifolia Michaux 1803. | |
Rhus radicans var. toxicodendron
| Rhus radicans Linnaeus, var. toxicodendron (Linnaeus) Persoon, Syn. Pl. 1: 325. 1805. | BASIONYM: Rhus toxicodendron Linnaeus 1753. | |
Rhus toxicarium
| Rhus toxicarium Salisbury, Prodr. Stirp. Chap. Allerton 170. 1796, nom. illegit. | BASIONYM: Rhus toxicodendron Linnaeus 1753. | |
Rhus toxicodendron
| Rhus toxicodendron Linnaeus, Sp. Pl. 266. 1753. | | TYPE: Without data (lectotype: LINN 378.16, left). Lectotypified by Fernald, Rhodora 43: 497. 1941; Gillis, Rhodora 73: 402. 1971. |
Rhus toxicodendron var. quercifolia
| Rhus toxicodendron Linnaeus, var. quercifolia Michaux, Fl. Bor.-Amer. 1: 183. 1803. | | TYPE: Virginie et Carolines, without data, Michaux s.n. (lectotype: P). Lectotypified by Gillis, Rhodora 73: 402. 1971. |
Toxicodendron quercifolium
| Toxicodendron quercifolium (Michaux) Greene, Leafl. Bot. Observ. Crit. 1: 127. 1905. | BASIONYM: Rhus toxicodendron Linnaeus, var. quercifolia Michaux 1803. | |
Toxicodendron toxicarium
| Toxicodendron toxicarium Gillis, Rhodora 73: 402. 1971. | BASIONYM: Rhus toxicarium Salisbury 1796, nom. illegit.; Rhus toxicodendron Linnaeus 1753. | |
Toxicodendron toxicodendron
| Toxicodendron toxicodendron (Linnaeus) Britton, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 484. 1913, nom. inadmiss. | BASIONYM: Rhus toxicodendron Linnaeus 1753. | |
Rhus acutiloba
| Rhus acutiloba Turczaninow, Bull. Soc. Imp. Naturalistes Moscou 37: 612. 1863. | | TYPE: TEXAS: Without data, Berlandier 2035 (lectotype: KW; isotypes: G-DC, GH, MO). |
Rhus toxicodendron forma elobata
| Rhus toxicodendron Linnaeus, forma elobata Fernald, Rhodora 43: 598. 1941. | | TYPE: NEW JERSEY: Cumberland Co.: Bridgeton, 1.5 mi. SE by New Jersey Central Railroad, 20 Jul 1909, Van Pelt s.n. (holotype: GH). |
Rhus toxicodendron forma leiocarpa
| Rhus toxicodendron Linnaeus, forma leiocarpa Fernald, Rhodora 43: 599. 1941. | | TYPE: VIRGINIA: Sussex Co.: Near the county line S of Jarratt, 8 Jun 1938, Fernald & Long 8347 (holotype: GH; isotypes: NY, US). |
Toxicodendron compactum
| Toxicodendron compactum Greene, Leafl. Bot. OBserv. Crit. 1: 126. 1905. | | TYPE: VIRGINIA: Carroll Co.: Woodlawn, Aug 1899, Hunter s.n. (holotype: US; isotype: GH). |
Toxicodendron monticola
| Toxicodendron monticola Greene, Leafl. Bot. OBserv. Crit. 1: 126. 1905. | | TYPE: GEORGIA: Lookout Mountain, Jul 1898, Ruth 356 (holotype: US; isotypes: MO, NDG, NY). |
Toxicodendron toxicarium var. elobatum
| Toxicodendron toxicarium Gillis, var. elobatum (Fernald) C. F. Reed, Phytologia 63: 411. 1987. | BASIONYM: Rhus toxicodendron Linnaeus, forma elobata Fernald 1941. | |
Toxicodendron toxicarium var. leiocarpum
| Toxicodendron toxicarium Gillis, var. leiocarpum (Fernald) C. F. Reed, Phytologia 63: 411. 1987. | BASIONYM: Rhus toxicodendron Linnaeus, forma leiocarpa Fernald 1941. | |