Crespo, M. B., Martínez-Azorín, M., Alonso, M. Ángeles, & Sáez, L. (2020).

Two new calcicolous species of Pinguicula sect. Pinguicula (Lentibulariaceae) growing on rocky habitats of the Iberian Peninsula

. Phytotaxa, 456(3), 269–284. https://doi.org/10.11646/phytotaxa.456.3.4