Méndez, José, Fco. Javier Rodríguez, and Isabel Iglesias. 2000. “Interannual Variations of Pinus Pollen in Ourense and Its Relationship With Meteorological Parameters”. Acta Botanica Malacitana 25 (December): 131-40. https://doi.org/10.24310/abm.v25i0.8478.