Plenasium vachellii (Hook.) Presl, Abh. Boehm. Ges. Wiss. V. 5. 325. 1848. 1848. (syn: Osmunda vachellii Hook.); . S. China to Peninsula Malaysia: China South-Central, China Southeast, Hainan, Malaya, Myanmar, Thailand, Vietnam as per POWO; . China (Chongqing, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang), Myanmar [Burma], Thailand, Vietnam, peninsular Malaysia (Kedah, Kelantan, […]