Sánchez, D.; Arias, S. & Terrazas, T. (2014). "Phylogenetic relationships in Echinocereus (Cactaceae, Cactoideae)". Systematic Botany. 39 (4): 1183–1196. doi:10.1600/036364414X683831. S2CID84505202.
Areces-Mallea, Alberto (May–June 2017). "Leptocereus demissus, a new species from southwestern Hispaniola". Cactus and Succulent Journal. 89 (3): 115–121. doi:10.2985/015.089.0303. S2CID91144846.
Sánchez, D.; Arias, S. & Terrazas, T. (2014). "Phylogenetic relationships in Echinocereus (Cactaceae, Cactoideae)". Systematic Botany. 39 (4): 1183–1196. doi:10.1600/036364414X683831. S2CID84505202.
Areces-Mallea, Alberto (May–June 2017). "Leptocereus demissus, a new species from southwestern Hispaniola". Cactus and Succulent Journal. 89 (3): 115–121. doi:10.2985/015.089.0303. S2CID91144846.