Vázquez-García, J.A., Rosales-Martínez, C.S. & Acevedo-Rosas, R. (2022)

Graptopetalum trujilloi (Crassulaceae), a new haplostemonous and critically endangered species endemic to western Mexico: comments on taxa of subg. Glassia

. Phytotaxa 532 (3): 275–287. https://doi.org/10.11646/phytotaxa.532.3.5