Descripción: UNESCO, MAB Biosphere Reserves Directory.
«Riacho Teuquito is located in the Province of Formosa in the Chaqueña Region in the north of Argentina. The Biosphere Reserve belongs to the Chaco biogeographical region with tropical dry or deciduous forests, particularly ‘quebrachal’ dominated by Aspidosperma quebracho blanco and Schinopsis lorentzii in the valleys, matorral scrublands and forests with matorral, flooded matorral, flooded savannas, agricultural systems and grazing forests.»