Holotype.—No. 28184, Isla Bonita, Heredia Province, Costa Rica; Edward H. Taylor and Richard C. Taylor; August 1, 1947.
Hyla dulcensis Taylor, Univ. Kansas Sci. Bull., 39:37, fig. 17, November 18, 1958.
Holotype.—No. 32168, Golfito, Puntarenas Province, Costa Rica; Edward H. Taylor; September 7, 1952.
Paratypes.—Nos. 32166 and 32167, same locality as holotype; John Baker and Edward H. Taylor; September 7 and 8, 1952.
Hyla immensa Taylor, Univ. Kansas Sci. Bull., 35:815,, figs. 42-43, July 1, 1952.
Holotype.—No. 30404, Inter-American Institute of Agricultural Sciences, Turrialba, Cartago Province, Costa Rica; Edward H. Taylor; June 25, 1951.
Hyla legleri Taylor, Univ. Kansas Sci. Bull., 39:33, figs. 15-16, November 18, 1958.
Holotype.—No. 32982, 15 kilometers west-southwest of San Isidro General, San José Province, Costa Rica; Edward H. Taylor; July 10, 1952.
Paratypes.—Nos. 32981, 32983-32988, 35171, same locality as holotype; John Baker and Edward H. Taylor; July 10, 1952.
Note.—Taylor (1958:33) erroneously listed 32989-32992 as paratypes of this species; specimens bearing those numbers are Smilisca gabbi.