Template:Samain, Najarro & Salas, 2014
- Samain, M.-S., Najarro, F.H. & Martínez Salas, E.M. 2014. First record of the critically endangered Hydrangea steyermarkii Standl. (Hydrangeaceae) in Mexico, and description of a new widespread Hydrangea species of Mesoamerica. Phytotaxa 162(4): 181–197. DOI: 10.11646/phytotaxa.162.4.1