Kozlowski G, Freigang J, Pasta S, Guarino R, Anania F, Champoud L, Garfì G, Gristina A S, Marcenò C, Picone R M, Crisafulli A. Update on the current occurrence of two rare fern species in Sicily (Italy): Dryopteris affinis (Lowe) Fraser-Jenk. and D. robusta (Oberh. et Tavel ex Fraser-Jenk.) P. D. Sell. in the Peloritani Mountains. Mediterr. Bot. [Internet]. 2025 Sep. 10 [cited 2025 Dec. 7];46(2):e99974. Available from: https://doi.org/10.5209/mbot.99974