Pauca-Tanco G. A., Quipuscoa V., El género Cumulopuntia (Cactaceae, Opuntioideae) en el departamento de Arequipa, Perú, Darwiniana, nueva serie, 2020, 8(1):337-371, doi: 10.14522/darwiniana.2020.81.853
The regional revision includes twelve species in the authors' treatment, an identification key, morphological descriptions, habitats, phenology and type documentation. The paper introduces new combinations and typifications. Its narrow treatments of several species differ from current POWO synonymy.