Samain, M., Hernández Najarro, F., & Martínez Salas, E. M. (2019). The climbing Hydrangeas (Hydrangeaceae) of Mexico, including description of six (critically) endangered new species. Instituto de Ecología, A.C.

Samain, Marie-Stéphanie, Francisco Hernández Najarro, and Esteban Manuel Martínez Salas. The Climbing Hydrangeas (Hydrangeaceae) of Mexico, Including Description of Six (critically) Endangered New Species. Instituto de Ecología, A.C, 2019.

Samain, Marie-Stéphanie, et al. The Climbing Hydrangeas (Hydrangeaceae) of Mexico, Including Description of Six (critically) Endangered New Species. Instituto de Ecología, A.C, 2019.