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 Radiogrammitis beddomeana (Alderw.) Parris Basionym: Polypodium beddomeanum Alderw. (1918: 39) . Type: — SRI LANKA . Bogawantalawa, Wall 30 ( holotype BO !). Radiogrammitis alepidota (M.G.Price) Parris , synon. nov. Basionym: Grammitis alepidota M.G. Price (1974: 34) . Type :— PHILIPPINES . Luzon , Mt Banahaw , Quezon side, just below summit, elev. 2100 m , 28 March 1972 , Price 2149 ( holotype PNH !; isotypes K !, L , US!) . Additional specimens examined:— VIETNAM . Lam Dong Province : Lac Duong District, Da Chays Commune, Bidoup-Nui Ba National Park, Giang Ly Forest Station, elev. 1700 m , 20 June 2011 , Wade 1625 ( SGN !, AK !, TAIF !) Distribution: — China , Sri Lanka , Vietnam , Borneo (Sabah) and Philippines . Taxonomic note: —This species could be confused with Oreogrammitis parva another dwarf simple-fronded grammitid, but it differs from the latter in dorsiventral rhizomes with rhizome scales and medium to dark red-brown setae.