ARNAL, A., SIMÕES, F., TARDÍO, J. and LÁZARO, A. 2023. SSR diversity and hybridization of wild apples (Malus spp.) growing in the Guadarrama and Ayllón mountain ranges (Central Spain). Forest Systems. 32, 2 (Jul. 2023), e014. DOI:https://doi.org/10.5424/fs/2023322-19834.