Cerros Jefe and Azul (central Panamá), Cerro Brewster (western San Blas) and Cerros Mali and Tacarcuna (Darién), in Panama, and slopes of Cerro Tacarcuna in adjacent Colombia (north-western Chocó).
 
Population
Estimated population is unknown (2010).
Tacarcuna Bush Tanager (Chlorospingus tacarcunae) [XC184939]
by id from Cuchilla del Lago, cuenca r\u00edo Bonito, Corregimiento de Balboa, Ungu\u00eda, Choc\u00f3, Colombia (call)
Tacarcuna Bush Tanager (Chlorospingus tacarcunae) [XC2980]
by James Bradley from Cerro Chucanti, Darien Province, Panama (call)
Subspecies
No subspecies.
Recent molecular-genetic studies indicate that this genus and Nesospingus, Spindalis and Phaenicophilus form a monophyletic clade that is sister to several New World warbler (Parulidae) genera (including Dendroica, Basileuterus and Vermivora), and are not closely related to other genera of present family. More recent evidence suggests that Chlorospingus is closest to genus Arremonops in family Emberizidae. This species forms a monophyletic group with Common Bush-Tanager (Chlorospingus flavopectus) and Pirre Bush-Tanager (Chlorospingus inornatus); has been regarded as conspecific with former. Was formerly treated sometimes as conspecific with Yellow-throated Bush-Tanager (Chlorospingus flavigularis).