The fern genus Oreogrammitis (Grammitidoideae: Polypodiaceae) re-defined Author Parris, Barbara S. Fern Research Foundation, 21 James Kemp Place, Kerikeri, Bay of Islands, New Zealand 0230 Author Sundue, Michael A. The Pringle Herbarium, Dept. of Plant Biology, 111 Jeffords Hall, 63 Carrigan Dr., University of Vermont, Burlington, Vermont 05405, USA text Phytotaxa 2020 2020-03-16 436 1 45 54 http://dx.doi.org/10.11646/phytotaxa.436.1.4 journal article 10.11646/phytotaxa.436.1.4 1179-3163 13874603 20. Oreogrammitis ligulata (Baker) Parris & Sundue , comb. nov. Based on Polypodium ligulatum Baker in Hook. & Baker, Syn. Filic.: 320 ( 8 Nov. 1867 ). Type :— FIJI [TAHITI, fide Sledge (1967) ]. Without locality, Wilkes 3 , U. S. Pacific Expl. Exped. 1838–1842 (K!, US ). Synonyms: Grammitis ligulata (Baker) Ching, Bull. Fan Mem. Inst. Biol. 10: 240 (1941) ; Radiogrammitis ligulata (Baker) Parris, Gard. Bull. Singapore 58: 243 (2007) . Polypodium trachycarpum Mett. ex Kuhn, Linnaea 36: 127 (1869) . Type:—SOCIETY ISLANDS. Tahiti: without locality, Vesco s.n. ( lectotype B!, chosen by Parris (2007)) ; Grammitis trachycarpa (Mett. ex Kuhn) Copel., Occas. Pap. Bernice Pauahi Bishop Mus. 14(5): 72 (1938) .