The genus
Cistothorus was circumscribed by the German ornithologist
Jean Cabanis in 1850. •
Sedge wren,
Cistothorus stellaris – northern Mexico, United States and southern Canada •
Mérida wren,
Cistothorus meridae – Venezuelan Andes •
Apolinar's wren,
Cistothorus apolinari – Colombian Andes •
Grass wren,
Cistothorus platensis – central and South America •
Marsh wren,
Cistothorus palustris – Mexico, United States and southern Canada The sedge wren and the grass wren were formerly treated as
conspecific. They were split based on the results of a
molecular phylogenetic study published in 2014. == Notes ==