Pavone, Pietro. “The Role of Botanic Gardens for the Ex Situ Conservation”. Bullettin of the Gioenia Academy of Natural Sciences of Catania 47, no. 377/SFE (December 31, 2014): SFE41-SFE46. Accessed May 18, 2024. https://bollettino.gioenia.it/index.php/gioenia/article/view/43.