Hyla wrightorum Taylor, 1939 "1938", Univ. Kansas Sci. Bull., 25: 436. Holotype: UMMZ 79141, by original designation and according to Peters, 1952, Occas. Pap. Mus. Zool. Univ. Michigan, 539: 17. Type locality: "Eleven miles south of Springerville, Apache county, Arizona, U.S.A."
Hyla eximia wrightorum — Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 71.
Hyla regilla wrightorum — Jameson, Mackey, and Richmond, 1966, Proc. California Acad. Sci., Ser. 4, 33: 594.
Baird's Mexican Hyla (Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 71)
Mountain Treefrog (Collins, Huheey, Knight, and Smith, 1978, Herpetol. Circ., 7: 11; Liner, 1994, Herpetol. Circ., 23: 23; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 55; Collins, 1997, Herpetol. Circ., 25: 12; Crother, Boundy, Campbell, de Queiroz, Frost, Highton, Iverson, Meylan, Reeder, Seidel, Sites, Taggart, Tilley, and Wake, 2001 "2000", Herpetol. Circ., 29: 10).
Sonora Tree Frog (Wright and Wright, 1933, Handb. Frogs Toads U.S. Canada: x [as Hyla eximia]).
Sonoran Tree-toad (Stebbins, 1951, Amph. W. North Am.: 327).
Arizona Treefrog (Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 71; Conant, Cagle, Goin, Lowe, Neill, Netting, Schmidt, Shaw, Stebbins, and Bogert, 1956, Copeia, 1956: 176; Stebbins, 1966, Field Guide W. North Am. Rept. Amph.: 69; Frost, McDiarmid, and Mendelson, 2008, in Crother (ed.), Herpetol. Circ., 37: 6; Liner and Casas-Andreu, 2008, Herpetol. Circ., 38: 15; Collins and Taggart, 2009, Standard Common Curr. Sci. Names N. Am. Amph. Turtles Rept. Crocodil., ed. 6: 7; Frost, McDiarmid, Mendelson, and Green, 2012, in Crother (ed.), Herpetol. Circ., 39: 15).
Wright's Mountain Treefrog (Liner, 1994, Herpetol. Circ., 23: 23).
Discontinuous distributions generally above 2000 m in the Mogollon Rim of central Arizona and west-central and northwestern New Mexico, the Huachuca Mountains in southeastern Arizona, and southward in grasslands and park-lands the Sierra Madre Occidental and south to, but not including the state of México, Mexico.
In the Hyla eximia group of Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 102. Blair, 1960, Southwest. Nat., 5: 129-135, noted two call-types, a northern call-type including Arizona to Michoacan (Mexico) and a southern call type in the region of the type locality. Hyla wrightorum (the northern-most component) was tentatively recognized by Sullivan, 1986, Great Basin Nat., 46: 378-381, but evidentiary discussion was lacking. E. Gergus (pers. comm.), suggests on the basis of call data and allozymes, that two major components could be recognized: Hyla wrightorum (from Arizona to, but not including, the state of Mexico, Mexico) and Hyla eximia (Central and southern Mexico), although other species might be diagnosable. Eliosa León, 2002, Bol. Soc. Herpetol. Mexicana, 10: 59-60, suggested that such a distinction of Hyla wrightorum and Hyla eximia could not be made on morphological grounds alone. Case, Haneline, and Smith, 1975, Syst. Zool., 24: 281-295, discussed relationships of this species (in the sense of being conspecific with Hyla eximia) and rejected a close relationship with Hyla regilla. Duellman, 2001, Hylid Frogs Middle Am., Ed. 2: 983-985, recognized the species as distinct from Hyla eximia (with which it was considered synonymous by Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 71, and Duellman, 1970, Monogr. Mus. Nat. Hist. Univ. Kansas: 499-505) provided an account. Gergus, Reeder, and Sullivan, 2004, Copeia, 2004: 758-769, reported on geographic variation in morphology, calls, allozymes, and mtDNA, demonstrating its distinctiveness from Hyla eximia. See Monatesti, Persons, and Nowak, 2005, Herpetol. Rev., 36: 74-75, for the Zuni Mountain region record in Cibola County, New Mexico, USA (as Hyla eximia). Maldonado-Leal, Warren, Jones, Boyarski, and Rorabaugh, 2009, Herpetol. Rev., 40: 108, provided a record from grassland in the San Pedro River drainage of northern Sonora, Mexico, just south of the Arizona line. Giermakowski, Wilson, and Snell, 2010, Herpetol. Rev., 41: 375, provided a record from McKinley County, New Mexico.
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