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 21. Oreogrammitis loheriana (Copel.) Parris & Sundue , comb. nov. Based on Polypodium loherianum Christ, Bull. Herb. Boissier 6: 197 (1898). Type :— PHILIPPINES . Luzon : Mountain Province , Mount Data , 2250 m , March 1897 , Loher 1131 ( lectotype P !, chosen here by Parris; isolectotype K !) . Synonyms: Grammitis loheriana (Christ) Copel., Philipp. J. Sci. 80: 213 (1952) ; Themelium loherianum (Christ) Parris, Kew Bull. 59: 225 (2004) .