Assis, J. G. A., Pérez-García, F., & Gonzáles-Benito, M. E. (2015). Tetrazolium test for seed viability and germinability of Melocactus ernestii Vaupel subsp. ernestii and Melocactus zehntneri (Britton & Rose) Luetzelb. (Cactaceae). Gaia Scientia, 9(2). Recuperado de https://periodicos.ufpb.br/ojs/index.php/gaia/article/view/24014