Trigo, M. M.; Hidalgo, M. I.; Garcia, I.; Bootello, M. L.; Nieto-Caldero, J. M.; Cabezudo, B. On the Palynology of Some Endemic and Interesting Species of Eastern Andalusia. III. abm 1990, 15, 353-365. https://doi.org/10.24310/abm.v15i.9321.