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 Dasygrammitis brevivenosa (Alderw.) Parris Basionym: Polypodium brevivenosum Alderw. (1918: 40) . Type:— INDONESIA . Sumatra , Bengkoelen, Lebong Simpang, Brooks 299. S ( holotype BO !). Additional specimens examined :— VIETNAM . Mère & l’Enfant, elev. 1800–2000 m ., 6 November 1922 , Poilane 5085 bis ( P , image seen). Lam Dong Province : Lac Duong District, Da Chays Commune, Bidoup-Nui Ba National Park, Giang Ly Forest Station, elev. 1565 m , 4 August 2013 , Dang Minh Tri BDP 107 ( SGN !). Distribution :— Vietnam , Peninsular Malaysia , Sumatra, Java, Borneo ( Brunei , Kalimantan, Sabah , Sarawak ), Sulawesi, New Guinea (West Papua), Solomon Islands , and Vanuatu . Taxonomic note :— Poilane 5085 bis is a fertile young plant, with only one sorus per pinna. Older plants have two to ten pairs of sori per pinna.