Chilean biogeographic areas overlaid with distribution of C. (Heteroediscelis). Provinces are reproduced from Morrone’s regionalisation (2015) and districts are those proposed therein, with boundaries reproduced from their respective authors (Peña 1966, O’Brien 1971, Artigas 1975). Areas marked with an asterisk (*) represent undescribed portions of the Puna province, and are given placeholder names for ease of reference. Scale bar approximately 200 km, background imagery provided by ESRI.