Vargas-Luna, M. D., Hernández-Ledesma, P., Majure, L. C., uente-Martínez, R., cías, H. M. H. M., & una, R. T. B. (2018). Splitting Echinocactus: Morphological and molecular evidence support the recognition of Homalocephala as a distinct genus in the Cacteae. PhytoKeys.
Citação norma ChicagoVargas-Luna, Mario Daniel, Patricia Hernández-Ledesma, Lucas Charles Majure, Raúl uente-Martínez, Héctor Manuel Hernández M. cías, and Rolando Tenoch Bárcenas una. "Splitting Echinocactus: Morphological and Molecular Evidence Support the Recognition of Homalocephala As a Distinct Genus in the Cacteae." PhytoKeys 2018.
Citação norma MLAVargas-Luna, Mario Daniel, et al. "Splitting Echinocactus: Morphological and Molecular Evidence Support the Recognition of Homalocephala As a Distinct Genus in the Cacteae." PhytoKeys 2018.