Frattaroli, Anna Rita, Di Martino, Luciano, Di Cecco, Valter, Catoni, Rosangela, Varone, Laura, Di Santo, Marco, and Gratani, Loretta. 2013. Seed germination capability of four endemic species in the Central Apennines in Italy: relationship between seed size and germination capability. Lazaroa 34, 43–53. DOI:https://doi.org/10.5209/rev_LAZA.2013.v34.n1.42253