Silverio, F. D., J. A. N. Cadali, B. S. A. Malik, F. P. Coritico, and V. B. Amoroso. “Checklist and Conservation Status of Ferns and Lycophytes of Mt. Sinaka, Arakan, North Cotabato, Southern Philippines”. The Thailand Natural History Museum Journal, vol. 15, no. 2, Dec. 2021, pp. 161-75, https://li05.tci-thaijo.org/index.php/thnhmj/article/view/1881.