Continent: Middle-America Distribution: Honduras, Nicaragua, Costa Rica.
Type locality: Monteverde, Sierra de Tilaran, Provincia de Puntarenas, elevation 1500 m. , Costa Rica
^McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN1-893777-00-6 (series). ISBN1-893777-01-4 (volume).