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 9. Oreogrammitis ctenoidea (Brause) Parris & Sundue , comb. nov. Based on Polypodium ctenoideum Brause, Bot. Jahrb. Syst. 56: 188 (1920) . Type:— PAPUA NEW GUINEA . Madang , Schraderberg, 2000–2500 m , 8 June 1913 , Ledermann 12131A ( lectotype B!, chosen here by Parris). Synonyms: Themelium ctenoideum (Brause) Parris, Kew Bull 59: 224 (2004) ; Grammitis ctenoidea (Brause) Christenh., Global Flora 4: 49 (2018) . Polypodium flagelliforme Brause, Bot. Jahrb. Syst. 56: 187 (1920) , synon. nov. Type:— PAPUA NEW GUINEA . East Sepik , Lordberg, 1000 m , 5 December 1912 , Ledermann 10075 ( lectotype B!, chosen here by Parris); Themelium flagelliforme (Brause) Parris, Kew Bull. 59: 225 (2004) ; Grammitis flagelliformis (Brause) Christenh., Global Flora 4: 50 (2018) . Ctenopteris integripaleata Copel., Univ. Calif. Publ. Bot. 18: 225 (1942) , synon. nov. Type:— INDONESIA . Indonesian New Guinea : Idenburg River, 15 km SW of Bernhard Camp, 1800 m , January 1939 , Brass 12249 ( holotype MICH!; isotypes A, UC!); Themelium integripaleatum (Copel.) Parris, Kew Bull. 59: 225 (2004) ; Grammitis integripaleata (Copel.) Christenh., Global Flora 4: 51 (2018) .