New species and records of grammitid ferns (Polypodiaceae) for Vietnam Author Parris, Barbara Fern Research Foundation, 21 James Kemp Place, Kerikeri, Bay of Islands 0230, New Zealand Author Chen, Cheng Wei Department of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu 30013, Taiwan Author Hsu, Tian Chuan Department of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu 30013, Taiwan Author Lu, Thi Ngan Department of Biology, Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam Author Nguyen, Quoc Dat Southern Institute of Ecology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam Author Luu, Hong Truong Southern Institute of Ecology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam text Phytotaxa 2015 2015-09-09 226 1 39 50 http://dx.doi.org/10.11646/phytotaxa.226.1.4 journal article 10.11646/phytotaxa.226.1.4 1179-3163 13636212 Scleroglossum pyxidatum Alderw. Type:— INDONESIA . Borneo, Boekit Batoe-ayah, Nieuwenhuis 1647 ( holotype BO !). Additional specimens examined:— VIETNAM . Khanh Hoa Province : Khanh Vinh, Hon Ba Nature Reserve, elev. 1500 m , 26 January 2014 , Wade 3723 ( AK !, TAIF !). Lam Dong Province : Lac Duong District, Da Chays Commune, Bidoup-Nui Ba National Park, Giang Ly Forest Station, 18 June 2013 , Wade 2640 ( SGN !, TAIF !), 19 June 2013 , Wade 2677 ( SGN !, TAIF !). Distribution: — Vietnam , Sumatra, Java, Borneo ( Brunei , Kalimantan, Sabah , Sarawak ) and Sulawesi. Taxonomic note: —Pham-Hoang no. 390, 112 (1999) was identified as Scleroglossum pusillum (Blume) Alderw. (1912: 39) , but belongs to S. pyxidatum because of the narrow reduced sterile part of the lamina. The lamina of S. pusillum is not narrowed, or not so markedly narrowed, in the sterile part.