Plethopsis wrighti Bishop, 1937, Herpetologica, 1: 93. Holotype: USNM 102445, by original designation. Type locality: "in woods bordering Mt. Hood highway, 8.7 miles southeast of Sandy, Clackamas County, Oregon", USA. .
Batrachoseps wrighti — Stebbins and Lowe, 1949, Copeia, 1949: 128.
Batrachoseps wrightorum — Applegarth, 1994, Species Status Amphibians and Reptiles of the Eugene District, U.S. Dept. Interior: 7. Collins, 1997, Herpetol. Circ., 25: 6; Crother, Boundy, Campbell, de Queiroz, Frost, Green, Highton, Iverson, McDiarmid, Meylan, Reeder, Seidel, Sites, Tilley, and Wake, 2003, Herpetol. Rev., 34: 197. Unjustified emendation according to Dubois, 2007, Zootaxa, 1550: 67.
Batrachoseps (Plethopsis) wrighti — Jackman, Applebaum, and Wake, 1997, Mol. Biol. Evol., 14: 883-891. Jockusch, Wake, and Yanev, 1998, Contrib. Sci. Nat. Hist. Mus. Los Angeles Co., 472: 1-17; Jockusch and Wake, 2002, Biol. J. Linn. Soc., 76: 363.
Western Four-toed Salamander (Bishop, 1943, Handb. Salamanders: 290).
Oregon Slender Salamander (Stebbins, 1951, Amph. W. North Am.: 120; Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 41; Conant, Cagle, Goin, Lowe, Neill, Netting, Schmidt, Shaw, Stebbins, and Bogert, 1956, Copeia, 1956: 174; Stebbins, 1966, Field Guide W. North Am. Rept. Amph.: 45; Collins, Huheey, Knight, and Smith, 1978, Herpetol. Circ., 7: 5; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 29; Collins, 1997, Herpetol. Circ., 25: 6; Crother, Boundy, Campbell, de Queiroz, Frost, Highton, Iverson, Meylan, Reeder, Seidel, Sites, Taggart, Tilley, and Wake, 2001 "2000", Herpetol. Circ., 29: 20; Stebbins, 2003, Field Guide W. Rept. Amph., Ed. 3: 183; Tilley, Highton, and Wake, 2008, in Crother (ed.), Herpetol. Circ., 37: 15; Collins and Taggart, 2009, Standard Common Curr. Sci. Names N. Am. Amph. Turtles Rept. Crocodil., ed. 6: 11; Tilley, Highton, and Wake, 2012, in Crother (ed.), Herpetol. Circ., 39: 25).
From the Columbia River Gorge of northwestern Oregon (east of Portland) southward along the slopes of the Cascade Mountains to Lane County, sea level to about 1430 m elevation, USA.
See account by Brame, 1964, Bull. S. California Acad. Sci., 63: 165-170. Most literature on this species refers to it as Batrachoseps wrighti. Stebbins, 2003, Field Guide W. Rept. Amph., Ed. 3: 183-184, and Raffaëlli, 2007, Les Urodèles du Monde: 192-193, provided a brief account, figure, and map. See map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 555. Kirk and Forbes, 1991, Herpetol. Rev., 22: 22-23, provided a number of records in Oregon from the east slope of the Cascades.
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