Gianguzzi, Lorenzo, Emilio Di Gristina, Giulio Barone, and Gianniantonio Domina. 2024. “A New Species of the Centaurea busambarensis Complex (Asteraceae) from the Nebrodi Mountains in Sicily (Central Mediterranean Region)”. Phytotaxa 646 (2). Auckland, New Zealand:169-80. https://doi.org/10.11646/phytotaxa.646.2.6.