HYPODEMATIUM Kunze
- Hypodematium crenatum (Forssk.) Kuhn in C.C.von der Decken, Reisen Ost Afr. 3(3): 37 (1879); Sun et al., Plants 13 (2024); POWO (2026). = Tropical Old World. = SUMATRA. = Lastrea crenata (Forssk.) Bedd. in Suppl. Ferns S. Ind.: 18 (1876). – Aspidium crenatum (Forssk.) Kuhn in Filic. Afr.: 129 (1868), nom. illeg. homonym. post. – Dryopteris crenata (Forssk.) Kuntze in Revis. Gen. Pl. 2: 811 (1891). – Nephrodium crenatum (Forssk.) Baker in Fl. Mauritius: 497 (1877), nom. illeg. homonym. post. – Polypodium crenatum Forssk. in Fl. Aegypt.-Arab.: 185 (1775). – Cystopteris odorata (Bory ex Willd.) Desv. in Mém. Soc. Linn. Paris 6: 264 (1827). – Lastrea chrysolepis T.Moore in Index Fil.: 88 (1858). – Lastrea odorata (Bory ex Willd.) Wawra in Oesterr. Bot. Z. 13: 144 (1863), nom. illeg. homonym. post. – Microlepia mollis Fée in Mém. Foug., 5. Gen. Filic.: 328 (1852). – Hypodematium crenatum subsp. crenatum ined. – Hypodematium rueppellianum Kunze in Farrnkräuter 1: 41 (1840). – Aspidium odoratum Bory ex Willd. in Sp. Pl., ed. 4. 5: 286 (1810). – Dryopteris fordii Ching in Sinensia 3: 330 (1933). – Nephrodium odoratum (Bory ex Willd.) Baker in W.J.Hooker & J.G.Baker, Syn. Fil.: 280 (1867). – Polypodium crenulatum J.F.Gmel. in Syst. Nat., ed. 13[bis]. 2(2): 1313 (1792).
- Hypodematium phegopteroideum Kuhn, Forschungsr. Gazelle 4, Farne 8 (1889); Hassler (2004-onwards). – Dryopteris phegopteroidea (Kuhn) C.Chr., Ind. 284 (1905). Endemic to Lesser Sunda Islands: Timor. NUSA TENGGARA.
- Hypodematium shingii Li Bing Zhang, X.P.Fan & X.F.Gao, Phytotaxa 482(1): 88 (2021); Hassler (2004-onwards). Photos – Aspidium eriocarpum Wall., Num. List no. 342 (1828), nom. nud. ex Mett., Abh. Senckenb. Naturf. Ges. (Phegopteris, Aspidium) 60 (1858). – Aspidium pilosulum Wall., Num. List no. 337 (1828) (p. p.). – Aspidium subdiaphanum Wall., Num. List no. 343 (1828). – Dryopteris fauriei Kodama, Matsum., Ic. pl. Koisik. 2: 11, t. 90 (1914). – Dryopteris fordii Ching, Sinensia 3: 330 (1933). – Hypodematium eriocarpum (Wall. ex Mett.) Ching, Fl. Tsinlingensis 2: 130 (1974). – Hypodematium fauriei (Kodama) Tagawa, J. Jap. Bot. 27: 320 (1952). – Hypodematium pilosum Ching, Fl. Beijing 1: 669, 25 (1984). – Lastrea chrysolepis Moore, Ind. 88 (1858). – Lastrea eriocarpa (Wall. ex Mett.) C.Presl, Tent. Pterid. 77 (1836). – Nephrodium eriocarpum (Wall. ex Mett.) Decne., Arch. Mus. Paris 2: 185 (1841). Afghanistan to Japan and Taiwan, Myanmar, Thailand, Vietnam, Sumatra, Philippines, Sulawesi, and New Guinea. SUMATRA, SULAWESI.
LEUCOSTEGIA C.Presl
- Leucostegia immersa C.Presl, Tent. Pterid.: 95 (1836), nom. cons.; Sun et al., Plants 13 (2024); POWO (2026). Photos = Tropical Asia. = SUMATRA, JAVA, KALIMANTAN, SULAWESI, NUSA TENGGARA, MALUKU, PAPUA. = Acrophorus immersus (C.Presl) T.Moore in Proc. Linn. Soc. London 2: 286 (1854). – Davallia immersa (C.Presl) Wall. ex Hook. in Sp. Fil. 1: 156 (1845). – Humata immersa (C.Presl) Mett. in Fil. Hort. Bot. Lips.: 102 (1856). – Cystopteris dimidiata Decne. in V.Jacquemont, Voy. Inde 4(Bot.): 177 (1844). – Leucostegia truncata (D.Don) Fraser-Jenk. in Taxon. Revis. Indian Subcontinental Pteridophytes: 348 (2008). – Davallia dryopteridifrons Hayata in Icon. Pl. Formosan. 6: 159 (1916), pro syn. – Davallia truncata D.Don in Prodr. Fl. Nepal.: 10 (1825), nom. rej. – Humata dryopteridifrons Hayata in Icon. Pl. Formosan. 6: 159 (1916). – Humata immersa var. nana Copel. in Philipp. J. Sci. 1(Suppl.): 147 (1906).
- Leucostegia pallida (Mett. ex Kuhn) Copel., Phil. Journ. Sci. 34: 252 (1927); Hassler (2004-onwards). Photos = Davallia beccariana Ces., Atti Acad. Napoli 78: 14, t. 3, f. 6 (1876). – Davallia mooreana Mast. ex Moore, Gard. Chr. 964 (1869). – Davallia pallida Mett. ex Kuhn, Linn. 36: 142 (1869). – Leucostegia subdigitata (Brause) C.Chr., Ind. Fil., Suppl. III: 121 (1934). – Dryopteris subdigitata Brause, Engl. Jahrb. 56: 94 (1920). Myanmar, Malesia, east to Pacific Ocean. SUMATRA, SULAWESI, MALUKU, PAPUA.
- Leucostegia truncata (D.Don) Fraser-Jenk., Taxon. Revis. Indian Subcontinental Pteridophytes 348 (2008); Hassler (2004-onwards). – Davallia truncata D.Don, Prodr. Fl. Nepal 10 (1825). – Cystopteris dimidiata Decne., Jacq., Voy. Bot. 4: 177, t. 178 (1844) (fide Fraser-Jenkins 2008). – Leucostegia immersa (Wall. ex Hook.) C.Presl, Tent. Pterid. 95, t. 4, f. 1 1 (1836). – Acrophorus immersus (Wall. ex Hook.) T.Moore, Proc. Linn. Soc. 2: 286 (1854). – Davallia immersa Wall., Num. List no. 266 (1828) (nomen), ex Hook., Sp. Fil. 1: 156 (1846). – Humata dryopteridifrons Hayata, Ic. Pl. Formos. 6: 159 (1916). – Humata immersa (Wall. ex Hook.) Mett., Fil. Hort. Bot. Lips. 102 (1856). S to E Asia, mainland SE Asia, Malesia. SUMATRA, JAVA, KALIMANTAN, SULAWESI, NUSA TENGGARA, MALUKU, PAPUA.
