Bacchetta, Gianluigi, Giuseppe Fenu, and Efisio Mattana. “A Checklist of the Exclusive Vascular Flora of Sardinia With Priority Rankings for Conservation”. Anales del Jardín Botánico de Madrid 69, no. 1 (June 30, 2012): 81–89. Accessed October 5, 2022. https://rjb.revistas.csic.es/index.php/rjb/article/view/372.