taxonID	type	description	language	source
9C99E1EE788C56A3AB128D65D377F4FF.taxon	description	Fig. 1	en	Chen, Cheng-Wei, Do, Van Truong, Truong, Quang Cuong, Dang, Viet Dai, Luu, Hong Truong, Chao, Yi-Shan, Huang, Yao-Moan, Chung, Kuo-Fang (2025): Studies of Vietnamese Pteridophyte Flora 3. PhytoKeys 255: 143-169, DOI: 10.3897/phytokeys.255.141395
9C99E1EE788C56A3AB128D65D377F4FF.taxon	distribution	Distribution and ecology. This species was previously recorded only in Japan and Taiwan (Chen et al. 2014, TPG 2019). In Vietnam, H. yakushimensis is found in damp evergreen broadleaf forests at elevations of 1200 – 1360 m, where it grows on rocks with thick compost near streams.	en	Chen, Cheng-Wei, Do, Van Truong, Truong, Quang Cuong, Dang, Viet Dai, Luu, Hong Truong, Chao, Yi-Shan, Huang, Yao-Moan, Chung, Kuo-Fang (2025): Studies of Vietnamese Pteridophyte Flora 3. PhytoKeys 255: 143-169, DOI: 10.3897/phytokeys.255.141395
4A3F447C5DB15B358B5FCB3066F0443B.taxon	description	Fig. 2	en	Chen, Cheng-Wei, Do, Van Truong, Truong, Quang Cuong, Dang, Viet Dai, Luu, Hong Truong, Chao, Yi-Shan, Huang, Yao-Moan, Chung, Kuo-Fang (2025): Studies of Vietnamese Pteridophyte Flora 3. PhytoKeys 255: 143-169, DOI: 10.3897/phytokeys.255.141395
4A3F447C5DB15B358B5FCB3066F0443B.taxon	distribution	Distribution and ecology. This species was recently described from Cambodia and Malaysia. In Vietnam, it grows along a valley in damp tropical forests as lithophytes and is frequently submerged in water.	en	Chen, Cheng-Wei, Do, Van Truong, Truong, Quang Cuong, Dang, Viet Dai, Luu, Hong Truong, Chao, Yi-Shan, Huang, Yao-Moan, Chung, Kuo-Fang (2025): Studies of Vietnamese Pteridophyte Flora 3. PhytoKeys 255: 143-169, DOI: 10.3897/phytokeys.255.141395
FFBC7C92BCCB5197914306B00505EE9C.taxon	description	Fig. 3	en	Chen, Cheng-Wei, Do, Van Truong, Truong, Quang Cuong, Dang, Viet Dai, Luu, Hong Truong, Chao, Yi-Shan, Huang, Yao-Moan, Chung, Kuo-Fang (2025): Studies of Vietnamese Pteridophyte Flora 3. PhytoKeys 255: 143-169, DOI: 10.3897/phytokeys.255.141395
FFBC7C92BCCB5197914306B00505EE9C.taxon	distribution	Distribution and ecology. This species, recently described from Taiwan, was initially reported from southern China and Taiwan (Chao et al. 2021). In Vietnam, P. pseudowulaiensis was discovered in relatively dry evergreen broadleaf forests at lowland areas of Cuc Phuong National Park.	en	Chen, Cheng-Wei, Do, Van Truong, Truong, Quang Cuong, Dang, Viet Dai, Luu, Hong Truong, Chao, Yi-Shan, Huang, Yao-Moan, Chung, Kuo-Fang (2025): Studies of Vietnamese Pteridophyte Flora 3. PhytoKeys 255: 143-169, DOI: 10.3897/phytokeys.255.141395
