BOONKERD, THAWEESAKDI, and PIYAKASET SUKSATHAN. 2009. “Asplenium Gueinzianum Mett. Ex Kuhn (Aspleniaceae), Newly Discovered in Thailand”. Tropical Natural History 9 (1):95-98. https://li01.tci-thaijo.org/index.php/tnh/article/view/102960.