Suksathan, Piyakaset, Stuart Lindsay, and David J. Middleton. “Polystichum Hookerianum (C.Presl) C.Chr. (Dryopteridaceae), a New Record for Thailand”. Thai Forest Bulletin (Botany), no. 38 (November 26, 2014): 120–123. Accessed December 6, 2022. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24394.