Las Peñas M. L., Santiñaque F., López-Carro B., Stiefkens L., Estudios citogenéticos y de contenido de ADN en Brasiliopuntia schulzii (Cactaceae), Gayana Botánica, 2016, 73(2):414-420, doi: 10.4067/S0717-66432016000200414
The karyotype and cytometry study concerns two populations of Brasiliopuntia brasiliensis from Corrientes (B. schulzii in the paper). It analyses chromosomes and variation in nuclear DNA content.