References

Sánchez, D., B. Vázquez-Benítez, M. Vázquez-Sánchez, D. Aquino, and A. Arias. 2022. Phylogenetic relationships in Coryphantha and implications on Pelecyphora and Escobaria (Cacteae, Cactpodeae, Cactaceae). PhytoKeys 188: 115-165.