Yoshikawa, Renato Chimaso dos Santos, Veronica Angyalossy, and Patricia Soffiatti. 2018. “Stem and Root Antomy of Melocactus Bahiensis and M. Concinnus (Cactaceae, Subfamily Cactoidae Tribe Cereeae)”. Revista de Biologia Neotropical Journal of Neotropical Biology 1 (1-2): 11-22. https://teste.revistas.ufg.br/RBN/article/view/4310.