Athyriaceae

Anisocampium C.Presl

1. Anisocampium cumingianum C.Presl, Abh. Königl. Böhm. Ges. Wiss., 5th Ser. 6 (1851) 419; ≡ Athyrium cumingianum (C.Presl) Ching, Index Filic. (C.Chr), Suppl. Tert. (1934) 40. Distribution: Cambodia, China, India, Java, Laos, Lesser Sunda Isls, Myanmar, Philippines, Sri Lanka, Sulawesi, Taiwan, Thailand. LUZON: Batangas, Ilocos Norte, Rizal. Native.

Athyrium Roth

1. Athyrium anisopterum Christ, Bull. Herb. Boissier, 1st Sér. 6 (1898) 962; Type: A. Henry 10109 (MO, iso). Distribution: Bhutan, Borneo, China, India, Java, Malay Peninsula, Myanmar, Nepal, Philippines, Sri Lanka, Sumatra, Taiwan, Thailand, Tibet, Vietnam. LUZON: Benguet, Laguna, Mountain Province, Quezon, NEGROS. Native.
2. Athyrium dissitifolium (Baker) C.Chr., Contr. U.S. Natl. Herb. 26 (1931) 296; ≡ Polypodium dissitifolium Baker, Bull. Misc. Inform. Kew 1895 (1895) 54. Distribution: China, Myanmar, Philippines, Thailand, Vietnam. LUZON: Benguet, Ilocos Norte, Zambales. Notes: J.F. Barcelona (12-Sep-23): Known from the Philippines from Elmer 22347 (GH, L, NY, PNH, UC, US), Price 385 (L, PNH), and Iwatsuki, Murata. & Gutierrez P596 (L). Native.
3. Athyrium drepanopteron (Kunze) A.Braun ex Milde, Fil. Eur. (1867) 49; ≡ Polypodium drepanopteron Kunze, Linnaea 23 (1850) 318. Distribution: Bhutan, China, India, Malay Peninsula, Myanmar, Nepal, Philippines, Sumatra, Thailand, Tibet, Vietnam. LUZON: Abra, Benguet, Kalinga, Kalinga-Apayao, Mountain Province. Native.
4. Athyrium eburneum (J.Sm. ex Mett.) J.Sm., Hist. Fil. (1875) 328; ≡ Asplenium eburneum J.Sm. ex Mett., Abh. Senckenberg. Naturf. Ges. 3 (1856) 238. Distribution: Bhutan, China, India, Japan, Myanmar, Nepal, Philippines, Taiwan, Tibet, Vietnam. Native.
5. Athyrium elmeri Copel., PJS 3c (1908) 292; Rufila et al., Ruhuna J. Science 13 (2022) 156; ≡ Diplazium elmeri (Copel.) C.Chr., Index Filic. (C.Chr), Suppl. Tert. (1934) 73. Distribution: Endemic to the Philippines. LUZON: Quezon, MINDANAO: Davao del Sur, NEGROS. Notes: 1200m. Native.
6. Athyrium erythropodum Hayata, Icon. Pl. Formosan. 4 (1914) 233; Li et al., Blumea 53 (2008) 449. Distribution: Java, Lesser Sunda Isls, Philippines, Taiwan. LUZON: Benguet, Mountain Province, MINDANAO: Bukidnon. Notes: 1500-2500m. Native.
7. Athyrium nakanoi Makino, Bot. Mag. (Tokyo) 23 (1909) 247; Coritico et al., Philippine J. Syst. Biol. 13 (2019) 47; Galope-Obemio et al., J. Threatened Taxa 14 (2022) 22044. Distribution: Bhutan, Borneo, China, India, Japan, Malay Peninsula, Nepal, Philippines, Sumatra, Taiwan. MINDANAO: Bukidnon, South Cotabato. Notes: 2000-2200m. Conservation status: Endangered (Coritico et al. 2019). Native.
8. Athyrium nitidulum (Kunze) Milde, Bot. Zeitung (Berlin) 28 (1870) 370. = Athyrium brevipinnulum Copel., PJS 3c (1908) 291; Type: Copeland 1939 (MICH, holo). = Athyrium mearnsianum (Copel.) Alderw., Malayan Ferns Fern Allies (1917) 279; ≡ Athyrium nigripes var. mearnsianum Copel., PJS 3c (1908) 291; Type: Elmer 6543. = Athyrium philippinense (Christ) Christ, PJS 1(Suppl.) (1906) 254; ≡ Athyrium sarasinorum var. philippinense Christ, Bull. Herb. Boissier, 1st Sér. 6 (1898) 154. Distribution: Java, Philippines. LUZON: Abra, Benguet, Ifugao, Ilocos Norte, Ilocos Sur, Kalinga, Mountain Province, Nueva Vizcaya, Pampanga, Rizal, MINDANAO: Bukidnon, Cotabato, Davao, Davao del Sur. Native.
9. Athyrium oppositipennum Hayata, J. Coll. Sci. Imp. Univ. Tokyo 30(1) (1911) 441. = Athyrium oreopteris Copel., PJS 40 (1929) 302; Type: Copeland 2305 (MICH, holo; UC, iso). Distribution: Philippines, Taiwan. LUZON: Benguet, Ifugao, Nueva Vizcaya. Native.
10. Athyrium puncticaule (Blume) T.Moore, Index Fil. (T.Moore) (1860) 186; Galope-Obemio et al., J. Threatened Taxa 14 (2022) 22044; ≡ Aspidium puncticaule Blume, Enum. Pl. Javae (1828) 156. = Athyrium halconense Christ, PJS 3c (1908) 273. Distribution: Borneo, India, Japan, Java, Lesser Sunda Isls, Moluccas, Philippines, Sri Lanka, Sulawesi, Sumatra, Taiwan, Vietnam. LUZON: Abra, Benguet, Ifugao, Laguna, Mountain Province, Nueva Vizcaya, Quezon, MINDANAO: Bukidnon, Cotabato, Davao del Sur, South Cotabato, MINDORO, NEGROS. Native.
11. Athyrium tozanense Hayata, Icon. Pl. Formosan. 4 (1914) 235; ≡ Asplenium tozanense Hayata, J. Coll. Sci. Imp. Univ. Tokyo 30(1) (1911) 440, nom. inval. = Athyrium aristulatum Copel., PJS 1(Suppl.) (1906) 253; Type: Copeland 1880 (MICH, holo). Distribution: Philippines, Sulawesi, Sumatra. LUZON: Benguet, Ifugao, Mountain Province, Nueva Vizcaya, MINDANAO: Davao del Sur, NEGROS. Native.

Possibly present

1. Athyrium fallaciosum Milde, Fil. Eur. (1867) 54. = Athyrium fauriei (Christ) Makino, Bot. Mag. (Tokyo) 17 (1903) 160; ≡ Nephrodium fauriei Christ, Bull. Herb. Boissier, 1st Sér. 4 (1896) 671; ≡ Aspidium fauriei (Christ) Christ, Bull. Herb. Boissier, 1st Sér. 6 (1898) 193. Distribution: China, Japan, Korea, ?Philippines. ?LUZON.
2. Athyrium minutum Copel., Univ. Calif. Publ. Bot. 18 (1942) 221. Distribution: New Guinea, ?Philippines, Sulawesi.
3. Athyrium setiferum C.Chr., Index Filic. (C.Chr) (1905) 146. Distribution: Bhutan, Borneo, China, India, Japan, Malay Peninsula, Moluccas, Myanmar, Nepal, ?Philippines, Sri Lanka, Sumatra, Thailand, Tibet. ?LUZON.

Cornopteris Nakai

1. Cornopteris banajaoensis (C.Chr.) K.Iwats. & M.G.Price, S. E. Asian Stud. 14 (1977) 564, as 'banahaoensis'; Galope-Obemio et al., J. Threatened Taxa 14 (2022) 22044; ≡ Dryopteris banajaoensis C.Chr., Index Filic. (C.Chr), Suppl. (1913) 30. = Athyrium nudum Copel., Fern Fl. Philipp. 3 (1960) 391. Distribution: Bhutan, India, Nepal, Philippines, Ryukyu Isls, Taiwan. LUZON: Benguet, Laguna, Mountain Province, Quezon, MINDANAO: Cotabato, Davao, Davao del Sur, South Cotabato. Native.
2. Cornopteris decurrenti-alata (Hook.) Nakai, Bot. Mag. (Tokyo) 44 (1930) 8; Rufila et al., Ruhuna J. Science 13 (2022) 156; ≡ Gymnogramma decurrenti-alata Hook., Sp. Fil. 5 (1864) 142. Distribution: China, India, Japan, Korea, Myanmar, Nepal, Philippines, Taiwan, Tibet, Vietnam. MINDANAO: Davao del Sur, South Cotabato. Native.
3. Cornopteris opaca (D.Don) Tagawa, Acta Phytotax. Geobot. 8 (1939) 92; ≡ Hemionitis opaca D.Don, Prodr. Fl. Nepal. (1825) 13. = Athyrium gymnocarpum Copel., PJS 40 (1929) 301. Distribution: Bhutan, Borneo, China, India, Japan, Java, ?Laos, Lesser Sunda Isls, Moluccas, Myanmar, Philippines, Sulawesi, Taiwan, Thailand, Vietnam. CAMIGUIN, MINDANAO: Cotabato, Davao del Sur, Sarangani, South Cotabato. Native.
4. Cornopteris philippinensis M.Kato, Acta Phytotax. Geobot. 30 (1979) 110. Distribution: Moluccas, Philippines. CAMIGUIN, MINDANAO: South Cotabato, NEGROS. Native.

Deparia Hook. & Grev.

1. Deparia boryana (Willd.) M.Kato, Bot. Mag. (Tokyo) 90 (1977) 36; ≡ Dryoathyrium boryanum (Willd.) Ching, Bull. Fan Mem. Inst. Biol. 11 (1941) 81; ≡ Ctenitis boryana (Willd.) Copel., Gen. Fil. (Copel.) (1947) 123; ≡ Aspidium boryanum Willd., Sp. Pl., 4th Ed. 5 (1810) 285. Distribution: Africa, Bhutan, Borneo, China, India, Indian Ocean, Japan, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Nepal, Pacific Ocean, Philippines, Sri Lanka, Sulawesi, Sumatra, Thailand, Tibet, Vietnam. LUZON: Benguet, Laguna, Mountain Province. Native.
   • ssp. austroindica Fraser-Jenk., Taxon. Revis. Indian Subcontinental Pteridophytes (2008) 252. Distribution: India, Malay Peninsula, ?Philippines, Sri Lanka.
   • ssp. boryana. Distribution: Africa, Bhutan, Borneo, China, India, Indian Ocean, Japan, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Nepal, Pacific Ocean, Philippines, Sri Lanka, Sulawesi, Sumatra, Thailand, Tibet, Vietnam. Native.
2. Deparia confluens (Kunze) M.Kato, J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 13 (1984) 413; ≡ Asplenium confluens Kunze, Bot. Zeitung (Berlin) 6 (1848) 174. = Diplazium brachypodum (Baker) C.Chr., Index Filic. (C.Chr) (1905) 228; ≡ Asplenium brachypodum Baker, Syn. Fil. (Hooker & Baker), 2nd Ed. (1874) 490. = Athyrium grammitoides (C.Presl) Milde, Bot. Zeitung (Berlin) 28 (1870) 353; ≡ Diplazium grammitoides C.Presl, Abh. Königl. Böhm. Ges. Wiss., 5th Ser. 6 (1851) 444. Distribution: Borneo, Java, Lesser Sunda Isls, Philippines, Ryukyu Isls, Sulawesi. BASILAN, LEYTE, LUZON: Albay, Bataan, Batangas, Benguet, Cagayan, Cavite, Laguna, Nueva Vizcaya, Pampanga, Quezon, Sorsogon, MINDANAO: Agusan del Norte, Davao del Sur, Lanao del Sur, Surigao, Surigao del Norte, Zamboanga del Sur, MINDORO, NEGROS, SAMAR. Native.
3. Deparia formosana (Rosenst.) R.Sano, Acta Phytotax. Geobot. 51 (2000) 17; ≡ Diplaziopsis formosana (Rosenst.) M.G.Price, Contr. Univ. Michigan Herb. 17 (1990) 269; ≡ Diplazium formosanum Rosenst., Hedwigia 56 (1915) 337. Distribution: China, Philippines, Ryukyu Isls, Taiwan, Vietnam. MINDORO. Native.
4. Deparia japonica (Thunb.) M.Kato, Bot. Mag. (Tokyo) 90 (1977) 37; ≡ Athyriopsis japonica (Thunb.) Ching, Acta Phytotax. Sin. 9 (1964) 65; ≡ Lunathyrium japonicum (Thunb.) Sa.Kurata, J. Geobot. 9 (1961) 99; ≡ Athyrium japonicum (Thunb.) Copel., PJS 3c (1908) 290; ≡ Asplenium japonicum Thunb., Syst. Veg., 14th Ed. (1784) 934. Distribution: Bangladesh, Bhutan, China, E Asia, India, Japan, Korea, Lesser Sunda Isls, Malay Peninsula, Myanmar, Nepal, Pakistan, Philippines, Ryukyu Isls, ?Sri Lanka, Taiwan, Vietnam. BABUYAN, BATANES, LUZON: ?Apayao (photos), Batangas, Benguet, Ifugao, Ilocos Sur, Laguna, Mountain Province, Quezon, MINDANAO: Cotabato, NEGROS (photos). Native.
   • ssp. japonica. Distribution: Bangladesh, Bhutan, China, E Asia, India, Japan, Korea, Lesser Sunda Isls, Malay Peninsula, Myanmar, Nepal, Pakistan, Philippines, Ryukyu Isls, ?Sri Lanka, Vietnam. Native.
5. Deparia lancea (Thunb.) Fraser-Jenk., New Sp. Syndr. Indian Pteridol. (1997) 101; Rufila et al., Ruhuna J. Science 13 (2022) 156; ≡ Athyrium lanceum (Thunb.) Milde, Bot. Zeitung (Berlin) 28 (1870) 354, nom. illeg., non T.Moore; Copeland, PJS 7c (1912) 55; ≡ Diplazium lanceum (Thunb.) C.Presl, Tent. Pterid. (1836) 113, nom. illeg., non Bory; ≡ Micropodium lanceum (Thunb.) J.Sm., Bot. Zeitung (Berlin) 28 (1870) 353; ≡ Triblemma lancea (Thunb.) Ching, Acta Phytotax. Sin. 16 (1978) 24; ≡ Asplenium lanceum Thunb., Fl. Jap. (Thunberg) (1784) 333. = Asplenium subsinuatum Wall. ex Hook. & Grev., Icon. Filic. 1 (1827) t.27; ≡ Diplazium subsinuatum (Wall. ex Hook. & Grev.) Tagawa, Col. Ill Jap. Pterid. (1959) 203; Price, Kalikasan 1 (1972) 42. = Athyrium dubium (D.Don) Ohwi, Bull. Natl. Sci. Mus. Tokyo, N.S. 3 (1956) 99, nom. illeg., non Ching; Copel., FFP 3 (1961) 412; ≡ Scolopendrium dubium D.Don, Prodr. Fl. Nepal. (1825) 9. = Diplazium simplicifolium Kodama, Icon. Pl. Koisikav. 1 (1913) t.68. Distribution: Bangladesh, Bhutan, Borneo, ?Cambodia, China, India, Japan, Korea, Laos, Myanmar, Nepal, Philippines, Ryukyu Isls, Sri Lanka, Taiwan, Thailand, Vietnam. BATAN, BATANES, LUZON: Ilocos Norte, MINDANAO: Davao del Sur, PANAY. Native.
6. Deparia petersenii (Kunze) M.Kato, Bot. Mag. (Tokyo) 90 (1977) 37; ≡ Asplenium petersenii Kunze, Analecta Pteridogr. (1837) 24. Distribution: Bhutan, Borneo, China, India, Indian Ocean, Japan, Korea, Lesser Sunda Isls, Moluccas, Myanmar, Nepal, New Guinea, Pacific Ocean, Pakistan, Philippines, Ryukyu Isls, Solomon Isls, Sri Lanka, Sulawesi, Taiwan, Tibet, Vietnam. BABUYAN, BATAN, BILIRAN, LEYTE, LUZON: Benguet, Camarines Norte, Cavite, Ifugao, Kalinga, Laguna, Mountain Province, Pampanga, Quezon, Sorsogon, Zambales, MINDANAO: Bukidnon, Cotabato, Davao, Davao del Sur, Lanao del Sur, MINDORO, NEGROS. Native.
   • ssp. petersenii. Distribution: Bhutan, Borneo, China, India, Indian Ocean, Japan, Korea, Lesser Sunda Isls, Moluccas, Myanmar, Nepal, New Guinea, Pacific Ocean, Pakistan, Philippines, Ryukyu Isls, Solomon Isls, Sri Lanka, Sulawesi, Taiwan, Tibet, Vietnam. BABUYAN, BATAN, BILIRAN, LEYTE, LUZON: Benguet, Camarines Norte, Cavite, Kalinga, Laguna, Mountain Province, Quezon, Sorsogon, Zambales, MINDANAO: Cotabato, Davao del Sur, Lanao del Sur, MINDORO. Native.
7. Deparia subfluvialis (Hayata) M.Kato, J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 13 (1984) 389; ≡ Dryopteris subfluvialis Hayata, Icon. Pl. Formosan. 5 (1915) 288. Distribution: Philippines, Taiwan, Thailand. LUZON: Benguet, Mountain Province, MINDANAO: Davao del Sur. Native.

Diplazium Sw.

1. Diplazium atratum Christ, PJS 2c (1907) 163; ≡ Athyrium atratum (Christ) Copel., PJS 3c (1908) 293. Distribution: Endemic to the Philippines. LUZON: Quezon, PALAWAN, PANAY, SIBUYAN. Native.
2. Diplazium bantamense Blume, Enum. Pl. Javae (1828) 191; Ponkai et al., Phytotaxa 631 (2023) 9; ≡ Athyrium bantamense (Blume) Milde, Bot. Zeitung (Berlin) 28 (1870) 353; ≡ Asplenium bantamense Baker, Syn. Fil. (Hooker & Baker), 1st Ed. (1867) 23; Type: from Java. Distribution: ?Bangladesh, Borneo, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sulawesi, Sumatra, Thailand, Vietnam. BASILAN, JOLO, LUZON: Benguet, Cagayan, Quezon, Rizal, MINDANAO: Cotabato, Davao, Davao del Sur, Surigao, NEGROS, PALAWAN. Notes: Low to medium elevation. Native.
3. Diplazium bolsteri Copel., PJS 1(Suppl.) (1906) 252; ≡ Athyrium bolsteri (Copel.) Copel., PJS 3c (1908) 296. Distribution: Endemic to the Philippines. LEYTE, MINDANAO: Agusan del Norte, Surigao. Native.
4. Diplazium brachysoroides Copel., PJS 2c (1907) 127; ≡ Athyrium brachysoroides (Copel.) Copel., PJS 3c (1908) 296. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, MINDORO, NEGROS. Native.
5. Diplazium calliphyllum (Copel.) M.G.Price, Contr. Univ. Michigan Herb. 17 (1990) 270; ≡ Athyrium calliphyllum Copel., PJS 40 (1929) 303. Distribution: Moluccas, Philippines. MINDANAO: South Cotabato. DAO category: Other Threatened Species. Native.
6. Diplazium ciliatum M.G.Price, Contr. Univ. Michigan Herb. 17 (1990) 270. Distribution: Endemic to the Philippines. LUZON: Apayao, Ilocos Norte. Native.
7. Diplazium cordifolium Blume, Enum. Pl. Javae (1828) 190; Pescuela et al., PJS 153 (2024) 664; Ponkai et al., Phytotaxa 631 (2023) 14; ≡ Athyrium cordifolium (Blume) Copel., PJS 3c (1908) 300; Type: from Java. = Athyrium parvum Copel., PJS 81 (1952) 41. ≠ Diplazium tabacinum auct. non Copel.; Copeland, LPB 2 (1908) 401. Distribution: Australia, Borneo, Java, ?Lesser Sunda Isls, Malay Peninsula, Moluccas, New Guinea, Philippines, Singapore, Solomon Isls, Sulawesi, Sumatra, Thailand, Vietnam. BASILAN, CAMIGUIN, CATANDUANES, JOLO, LEYTE, LUZON: Aurora, Cagayan, Camarines Sur (photos), Isabela, Laguna, Quezon, Rizal, Sorsogon, MINDANAO: Agusan del Norte, Bukidnon, Cotabato, Davao Oriental, Davao del Norte, Davao del Sur, Misamis Oriental, Surigao del Sur (photos), Zamboanga del Sur, MINDORO, NEGROS, PALAWAN, PANAY, SAMAR, SULU ARCHIPELAGO. Notes: 800-1200m. Native.
   • var. cordifolium. Distribution: Australia, Borneo, Java, ?Lesser Sunda Isls, Malay Peninsula, Moluccas, New Guinea, Philippines, Singapore, Solomon Isls, Sulawesi, Sumatra, Thailand, Vietnam. PALAWAN. Native.
   • var. pariens (Copel.) C.Chr., Gard. Bull. Straits Settlem. 7 (1934) 274; ≡ Diplazium pariens (Copel.) C.Chr., Index Filic. (C.Chr) (1906) 663; ≡ Athyrium pariens Copel., PJS 3c (1908) 299. Distribution: Borneo, Moluccas, Philippines. MINDANAO: Bukidnon, Cotabato, Davao Oriental, Davao del Norte, Davao del Sur, NEGROS. Notes: 1200m. Native.
8. Diplazium costulisorum (Copel.) C.Chr., Index Filic. (C.Chr), Suppl. (1913) 26; Coritico & Amoroso, Nature Conservation Research 5 (2020) 81; ≡ Athyrium costulisorum Copel., LPB 3 (1910) 815. Distribution: Moluccas, Philippines, Sulawesi. MINDANAO: Bukidnon, Cotabato, Davao del Sur. Native.
9. Diplazium cumingii (C.Presl) C.Chr., Index Filic. (C.Chr) (1905) 230; Odulio et al., Biodivers. Data J. 14 (2026) 12; ≡ Athyrium cumingii (C.Presl) Milde, Bot. Zeitung (Berlin) 28 (1870) 353; ≡ Ochlogramma cumingii C.Presl, Abh. Königl. Böhm. Ges. Wiss., 5th Ser. 6 (1851) 454. Distribution: Borneo, Philippines, Solomon Isls, Sulawesi. CATANDUANES, LUZON: Apayao, Aurora, Camarines Norte, Camarines Sur, Isabela (photos), Laguna, Quezon, Sorsogon, MINDANAO: Bukidnon (photos), Surigao del Sur (photos), Zamboanga Sibugay, Zamboanga del Sur, MINDORO, PALAWAN (photos), PANAY, SAMAR. Notes: 200m (photos). Native.
10. Diplazium deltoideum (C.Presl) C.Presl, Tent. Pterid. (1836) 114; ≡ Athyrium deltoideum (C.Presl) Milde, Bot. Zeitung (Berlin) 28 (1870) 353; ≡ Asplenium deltoideum C.Presl, Reliq. Haenk. 1 (1825) 47. Distribution: Philippines, Sulawesi. CATANDUANES, LUZON: Cagayan, Camarines Norte, Rizal, Sorsogon, MINDANAO: Agusan del Norte, Cotabato, Davao, NEGROS. Native.
11. Diplazium dilatatum Blume, Enum. Pl. Javae (1828) 194; Galope-Obemio et al., J. Threatened Taxa 14 (2022) 22044; Pescuela et al., PJS 153 (2024) 664; Ponkai et al., Phytotaxa 631 (2023) 17; ≡ Athyrium dilatatum (Blume) Milde, Bot. Zeitung (Berlin) 28 (1870) 353; Type: from Java. = Diplazium davaoense Copel., PJS 1(Suppl.) (1906) 151; ≡ Athyrium davaoense (Copel.) Copel., PJS 3c (1908) 295. = Diplazium dolichosorum Copel., PJS 1(Suppl.) (1906) 151; ≡ Athyrium dolichosorum (Copel.) Copel., PJS 3c (1908) 294. Distribution: Australia, Bangladesh, Bismarck Arch, Borneo, ?Cambodia, China, India, Japan, Java, Laos, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Nepal, New Caledonia, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sulawesi, Sumatra, Taiwan, Thailand, Vietnam. BASILAN, LEYTE, LUZON: Benguet, Ifugao, Ilocos Sur, Laguna, Mountain Province, Quezon, Rizal, Sorsogon, MINDANAO: Bukidnon, Cotabato, Davao del Norte, Davao del Sur, Misamis Oriental, Sarangani, South Cotabato, Zamboanga del Sur, NEGROS, PALAWAN, PANAY. Notes: 400-1500m. Native.
12. Diplazium doederleinii (Luerss.) Makino, Bot. Mag. (Tokyo) 13 (1899) 15; ≡ Asplenium doederleinii Luerss., Bot. Jahrb. Syst. 4 (1883) 355. = Athyrium irayense Copel., PJS 81 (1952) 39. Distribution: Bhutan, China, India, Japan, Myanmar, Nepal, Philippines, Ryukyu Isls, Taiwan, Vietnam. BATAN, MINDANAO: Bukidnon, Davao del Sur. Native.
13. Diplazium egenolfioides M.G.Price, Brit. Fern Gaz. 10 (1973) 258. Distribution: Endemic to the Philippines. LUZON: Batangas, Laguna, Nueva Vizcaya. DAO category: Endangered. Native.
14. Diplazium esculentum (Retz.) Sw., J. Bot. (Schrader) 1801 (1803) 312; Ponkai et al., Phytotaxa 631 (2023) 21; De Villa & Lagat, PJS 153 (2024) 1823; Cano-Mangaoang et al., Thailand Nat. Hist. Mus. J. 20 (2026) 93; ≡ Athyrium esculentum (Retz.) Copel., PJS 3c (1908) 295; ≡ Hemionitis esculenta Retz., Observ. Bot. (Retzius) 6 (1791) 38; Type: from India. = Asplenium manilense Spreng., Syst. Veg., 16th Ed. 4 (1827) 89. Distribution: Andaman Isls, Australia, Bangladesh, Bhutan, Bismarck Arch, Borneo, Cambodia, China, India, Japan, Java, Laos, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Nepal, New Guinea, Nicobar Isls, Pakistan, Philippines, Ryukyu Isls, Singapore, Solomon Isls, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Tibet, Vietnam. BASILAN, BATAN, LUBANG, LUZON: Abra, Albay, Aurora, Bataan, Benguet, Cagayan, Camarines, Cavite, Ifugao, Isabela, Kalinga, Laguna, Mountain Province, NCR, Nueva Ecija, Nueva Vizcaya, Pampanga, Pangasinan, Quezon, Rizal, Zambales, MINDANAO: Bukidnon, Cotabato, Davao Oriental, Davao del Norte, Davao del Sur, Lanao del Sur, ?South Cotabato, Zamboanga del Sur, NEGROS, PANAY, SAMAR. Notes: Low to medium elevation. 300m. Conservation status: Least Concern (IUCN 3.1). Native.
15. Diplazium forbesii (Baker) C.Chr., Index Filic. (C.Chr) (1905) 232; ≡ Asplenium forbesii Baker, Ann. Bot. (Oxford) 5 (1891) 312. Distribution: Borneo, Java, Philippines, Sumatra. MINDANAO: Bukidnon (photos), Cotabato, Davao del Sur, Sarangani, NEGROS, PALAWAN. Native.
16. Diplazium fraxinifolium C.Presl, Reliq. Haenk. 1 (1825) 49; Ponkai et al., Phytotaxa 631 (2023) 24; ≡ Athyrium fraxinifolium (C.Presl) Milde, Bot. Zeitung (Berlin) 28 (1870) 353; Type: Haenke s.n. (PRC, lecto), Luzon. = Diplazium riparium Holttum, Gard. Bull. Straits Settlem. 11 (1940) 97; Type: from Malaysia. = Anisogonium elegans C.Presl, Abh. Königl. Böhm. Ges. Wiss., 5th Ser. 6 (1851) 453. Distribution: Borneo, India, Malay Peninsula, New Guinea, Philippines, Sulawesi, ?Vietnam. BALABAC, BASILAN, LEYTE, LUZON: Benguet, Cagayan, Camarines Norte, Isabela, Laguna, Quezon, Rizal, MINDANAO: Bukidnon, Cotabato, Davao del Sur, Surigao del Sur, Zamboanga del Sur, NEGROS, PALAWAN, PANAY, SAMAR. Native.
17. Diplazium fructuosum Copel., PJS 1(Suppl.) (1906) 150; ≡ Athyrium fructuosum (Copel.) Copel., PJS 3c (1908) 294. Distribution: Endemic to the Philippines. CATANDUANES, LUZON: Apayao, Aurora, Bataan, Batangas, Cagayan, Isabela, Laguna, Mountain Province, Pampanga, Sorsogon, Zambales, MINDANAO: Bukidnon, Cotabato, Davao del Sur, Lanao del Sur, Zamboanga del Sur, NEGROS. Notes: 600m. Native.
18. Diplazium fuliginosum (Hook.) M.G.Price, Brit. Fern Gaz. 10 (1973) 260; ≡ Asplenium fuliginosum Hook., Sp. Fil. 3 (1860) 120. = Diplazium longissimum (Copel.) C.Chr., Index Filic. (C.Chr), Suppl. Tert. (1934) 74; ≡ Athyrium longissimum Copel., PJS 38 (1929) 139. Distribution: Bismarck Arch, Borneo, New Guinea, Philippines. LEYTE. Native.
19. Diplazium geophilum (Copel.) Alderw., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 7 (1912) 12; Galope-Obemio et al., J. Threatened Taxa 14 (2022) 22044; ≡ Athyrium geophilum Copel., PJS 3c (1908) 296. = Athyrium ramosii Copel., PJS 38 (1929) 140. Distribution: Moluccas, Philippines, Sulawesi. CAMIGUIN, LUZON: Laguna, MINDANAO: Bukidnon (photos), Davao del Sur, South Cotabato, Zamboanga del Sur, NEGROS. Notes: 1330m (photos) to 1450m. Native.
20. Diplazium griffithii T.Moore, Index Fil. (T.Moore) (1861) 330; Cano-Mangaoang et al., Thailand Nat. Hist. Mus. J. 20 (2026) 94. = Athyrium platyphyllum Copel., PJS 3c (1908) 292. = Diplazium mearnsii Hieron., Hedwigia 59 (1917) 338. ≠ Diplazium platyphyllum auct. non Christ. Distribution: China, India, Japan, Philippines, Ryukyu Isls, Vietnam. LUZON: Benguet, Cagayan, Camarines Norte, Ifugao, Laguna, Mountain Province, Quezon, Zambales, MINDANAO: Cotabato, Davao del Sur, Lanao del Sur, NEGROS. Native.
21. Diplazium irigense (Copel.) M.G.Price, Contr. Univ. Michigan Herb. 17 (1990) 273; ≡ Athyrium irigense Copel., PJS 81 (1952) 38. Distribution: Moluccas, Philippines. LUZON: Camarines Sur. Native.
22. Diplazium lomariaceum (Christ) M.G.Price, Gard. Bull. Singapore 36 (1983) 27; Pescuela et al., PJS 153 (2024) 664; ≡ Asplenium lomariaceum Christ, Verh. Naturf. Ges. Basel 11 (1895) 229. = Diplazium altum (Copel.) C.Chr., Index Filic. (C.Chr), Suppl. Tert. (1934) 72; Rufila et al., Ruhuna J. Science 13 (2022) 156; ≡ Athyrium altum Copel., PJS 38 (1929) 138. = Diplazium merrillii Copel., PJS 2c (1907) 128; ≡ Athyrium merrillii (Copel.) Copel., PJS 3c (1908) 300. Distribution: Borneo, Moluccas, New Guinea, Philippines, Sulawesi, Sumatra. BASILAN, LEYTE, LUZON: Aurora, Ilocos Norte, Nueva Vizcaya (photos), Rizal, MINDANAO: Agusan del Norte, Bukidnon, Davao Oriental, Davao del Sur, Misamis Oriental, Zamboanga del Sur, MINDORO, NEGROS. Native.
23. Diplazium magnificum (Copel.) M.G.Price, nom. inval., in sched.; ≡ Athyrium magnificum Copel., PJS 81 (1952) 39. Distribution: Moluccas, Philippines. CAMIGUIN, GENERAL ISLAND, LUZON, MINDANAO: Davao, Davao del Sur, Lanao del Sur, Zamboanga, Zamboanga del Sur, NEGROS. Native.
24. Diplazium maximum (D.Don) C.Chr., Index Filic. (C.Chr) (1905) 235; ≡ Asplenium maximum D.Don, Prodr. Fl. Nepal. (1825) 8. = Diplazium macrosorum (Copel.) M.G.Price, Contr. Univ. Michigan Herb. 17 (1990) 273; ≡ Athyrium macrosorum Copel., LPB 3 (1910) 815. Distribution: ?Afghanistan, Bhutan, China, India, Japan, Myanmar, Nepal, Pakistan, Philippines, Sulawesi, Tibet, Vietnam. BOHOL, LUZON: Sorsogon, MINDANAO: Davao del Sur, NEGROS. DAO category: Other Threatened Species. Native.
25. Diplazium melanopodium Fée, Mém. Foug., 8. Ic. Esp. Nouv. (1857) 85; Rufila et al., Ruhuna J. Science 13 (2022) 156; ≡ Athyrium melanopodium (Fée) Copel., PJS 81 (1952) 40. = Asplenium meyenianum (C.Presl) Mett., Abh. Senckenberg. Naturf. Ges. 3 (1859) 233; ≡ Diplazium meyenianum C.Presl, Abh. Königl. Böhm. Ges. Wiss., 5th Ser., 6 (1851) 448. Distribution: Endemic to the Philippines. LUZON: Cagayan, Laguna, Mountain Province, NCR, Pampanga, Rizal, MINDANAO: Bukidnon, Davao del Sur, MINDORO, NEGROS (photos), SAN MIGUEL. Notes: 750-850m. Native.
26. Diplazium mollifrons (C.Chr.) M.G.Price, Contr. Univ. Michigan Herb. 16 (1987) 195; ≡ Athyrium mollifrons C.Chr., LPB 9 (1933) 3153. Distribution: Endemic to the Philippines. LUZON: Pampanga, Zambales. Native.
27. Diplazium muricatum (Mett.) Alderw., Malayan Ferns (1909) 829; Ponkai et al., Phytotaxa 631 (2023) 35; ≡ Athyrium muricatum (Mett.) Copel., PJS 7c (1912) 61; ≡ Asplenium muricatum Mett., Ann. Mus. Bot. Lugduno-Batavi 2 (1866) 239; Type: from Indonesia. Distribution: India, Java, Myanmar, Philippines, Thailand. MINDANAO: Davao del Sur. Notes: 1000-2000m. Native.
28. Diplazium oligosorum Copel., PJS 2c (1907) 128; Rufila et al., Ruhuna J. Science 13 (2022) 156; Cano-Mangaoang et al., Thailand Nat. Hist. Mus. J. 20 (2026) 94; ≡ Athyrium oligosorum (Copel.) Copel., PJS 3c (1908) 293. Distribution: Endemic to the Philippines. MINDANAO: Cotabato, Davao del Sur, Zamboanga del Sur, MINDORO, NEGROS. Notes: 1200m. Native.
29. Diplazium pallidum (Blume) T.Moore, Index Fil. (T.Moore) (1861) 333; Ponkai et al., Phytotaxa 631 (2023) 35; ≡ Athyrium pallidum Blume, Enum. Pl. Javae (1828) 177; Type: from Java. = Diplazium crenatoserratum (Blume) T.Moore, Index Fil. (T.Moore) (1859) 325; ≡ Athyrium crenatoserratum (Blume) Milde, Bot. Zeitung (Berlin) 28 (1870) 353; ≡ Asplenium crenatoserratum Blume, Enum. Pl. Javae (1828) 177; Type: from Java. Distribution: Australia, Borneo, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, New Guinea, Philippines, Solomon Isls, Sulawesi, Sumatra. BASILAN, BOHOL, LEYTE (photos), LUZON: Apayao (photos), Bataan, Benguet, Camarines Sur, Laguna, Quezon, Rizal, MINDANAO: Agusan del Norte, Bukidnon, Cotabato, Davao, Davao del Norte, Davao del Sur, Lanao del Sur, Zamboanga, Zamboanga del Sur, MINDORO, NEGROS, PALAWAN, SAMAR. Notes: 100m (photos). Native.
30. Diplazium petiolare C.Presl, Abh. Königl. Böhm. Ges. Wiss., 5th Ser. 6 (1851) 446; ≡ Athyrium petiolare (C.Presl) Milde, Bot. Zeitung (Berlin) 28 (1870) 354. Distribution: Borneo, Philippines, Sumatra. BOHOL, LUZON: Bataan, Cagayan, Laguna, Rizal, MINDANAO: Agusan del Norte, Davao, Davao Oriental, Davao del Sur, Lanao del Sur, Zamboanga, Zamboanga Sibugay, Zamboanga del Sur, MINDORO, PALAWAN, SAMAR. Native.
31. Diplazium petri Tardieu, Asplen. Tonkin 67 (1932) t.9; Pescuela et al., PJS 153 (2024) 664; Ponkai et al., Phytotaxa 631 (2023) 42; Type: from Vietnam. Distribution: China, Laos, Philippines, Ryukyu Isls, Taiwan, Thailand, Vietnam. MINDANAO: Misamis Oriental. Notes: 1000-1400m. Native.
32. Diplazium phanerotis Kunze, Bot. Zeitung (Berlin) 4 (1846) 443; Hovenkamp, Gard. Bull. Singapore 71 (2019) 63; Ponkai et al., Phytotaxa 631 (2023) 42; Type: from Java. = Diplazium cultratum C.Presl, Abh. Königl. Böhm. Ges. Wiss., 5th Ser. 6 (1851) 444; ≡ Athyrium cultratum (C.Presl) Milde, Bot. Zeitung (Berlin) 28 (1870) 353. Distribution: Java, Malay Peninsula, ?Moluccas, Philippines, Singapore. BILIRAN, LUZON: Camarines Norte, Laguna, Quezon, PALAWAN, PANAY (photos). Native.
33. Diplazium pinatubicum M.G.Price, Contr. Univ. Michigan Herb. 17 (1990) 273. Distribution: Endemic to the Philippines. LUZON: Pampanga, Tarlac, Zambales. Native.
34. Diplazium polypodioides Blume, Enum. Pl. Javae (1828) 194; Ponkai et al., Phytotaxa 631 (2023) 46. = Athyrium blumei (Bergsm.) Copel., PJS 3c (1908) 294; ≡ Asplenium blumei Bergsm., Cat. Fil. Hort. Bot. Rheno-Traj. (1857) 5. = Diplazium ophiodontum (Copel.) C.Chr., Index Filic. (C.Chr), Suppl. Tert. (1934) 75; ≡ Athyrium ophiodontum Copel., PJS 46 (1931) 214. = Diplazium asperum Blume, Enum. Pl. Javae (1828) 195; ≡ Athyrium asperum (Blume) Milde, Bot. Zeitung (Berlin) 28 (1870) 353. Distribution: ?Bangladesh, Borneo, Cambodia, China, India, Indian Ocean, Java, Laos, Lesser Sunda Isls, Malay Peninsula, Moluccas, ?Myanmar, New Guinea, Philippines, Singapore, ?Solomon Isls, Sri Lanka, Sulawesi, Sumatra, Thailand, Vietnam. BOHOL, CEBU, LEYTE, LUZON: Abra, Albay, Aurora, Bataan, Bulacan, Cagayan, Camarines Norte, Cavite, Ilocos Norte, Isabela, Kalinga, Laguna, Nueva Vizcaya, Pampanga, Pangasinan, Quezon, Rizal, Sorsogon, Zambales, MINDANAO: Agusan del Norte, Cotabato, Davao, Davao del Norte, Davao del Sur, Surigao del Norte, Zamboanga del Sur, MINDORO, NEGROS, PANAY. Notes: 500-1200m. Native.
35. Diplazium porphyrorachis (Baker) Diels, Nat. Pflanzenfam. (Engler & Prantl) 1(4) (1899) 225; ≡ Asplenium porphyrorachis Baker, J. Bot. 17 (1879) 40. Distribution: Borneo, Malay Peninsula, Philippines, Sulawesi. MINDANAO: Zamboanga, Zamboanga del Sur. Notes: J.F. Barcelona (16-Sep-23): Known from the Philippines from Copeland s.n. (PNH63212). Native.
36. Diplazium proliferum (Lam.) Thouars, Esquisse Fl. Tristan d'Acugna (1808) 35; Ponkai et al., Phytotaxa 631 (2023) 48; ≡ Callipteris prolifera (Lam.) Bory, Voy. Iles Afrique 1 (1804) 283; ≡ Asplenium proliferum Lam., Encycl. (Lamarck) 2 (1786) 307; Type: from Reunion. = Diplazium accedens Blume, Enum. Pl. Javae (1828) 192. = Diplazium repandum Blume, Enum. Pl. Javae (1828) 191. Distribution: Africa, Andaman Isls, Australia, Bismarck Arch, Borneo, Indian Ocean, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sulawesi, Sumatra, Taiwan, Thailand. LEYTE, LUZON: Cagayan, Laguna, Pampanga, Quezon, Rizal, Sorsogon, MINDANAO: Agusan del Norte, Bukidnon, Cotabato, Davao, Davao Oriental, Davao del Sur, Lanao del Norte, Lanao del Sur, Surigao del Norte, Zamboanga, Zamboanga del Sur, MINDORO, PANAY, POLILLO, SAMAR. Notes: Known from PNBG 184 Sotalbo (PUH). Low elevation. Native.
37. Diplazium propinquum (Copel.) Alderw., Malayan Ferns Fern Allies (1917) 259; ≡ Athyrium propinquum Copel., LPB 5 (1913) 1683. Distribution: Borneo, Philippines. MINDANAO: Agusan del Norte, Agusan del Sur, NEGROS. DAO category: Endangered. Native.
38. Diplazium pseudocyatheifolium Rosenst., Meded. Rijks-Herb. 31 (1917) 4; ≡ Athyrium pseudocyatheifolium (Rosenst.) Copel., Fern Fl. Philipp. 3 (1960) 395. = Athyrium ebenirachis Copel., LPB 9 (1920) 3110. Distribution: Endemic to the Philippines. LUZON: Laguna, Mountain Province, Quezon, Sorsogon, MINDANAO: Bukidnon, Cotabato, POLILLO. Native.
39. Diplazium pseudosylvaticum Panigrahi, Phytologia 31 (1975) 255. = Diplazium allantoideum M.G.Price, Contr. Univ. Michigan Herb. 16 (1987) 195. Distribution: Java, Philippines, Singapore, Sulawesi. Native.
40. Diplazium sibuyanense (Copel.) Alderw., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 11 (1913) 9; ≡ Athyrium sibuyanense Copel., LPB 4 (1911) 1152. Distribution: Endemic to the Philippines. LUZON: Benguet, Laguna, Quezon, MINDANAO: Cotabato, Davao del Sur, Surigao del Norte, Zamboanga del Sur, SIBUYAN. DAO category: Other Threatened Species. Native.
41. Diplazium simplicivenium Holttum, Gard. Bull. Straits Settlem. 11 (1940) 100; Ponkai et al., Phytotaxa 631 (2023) 53; Type: from Malaysia. Distribution: Borneo, Malay Peninsula, Myanmar, Philippines, Sumatra, Thailand. LUZON: Rizal. Notes: Ponkai et al. (2023) reported this species for the Philippines: Ramos 956 (K). 400-1500m. Native.
42. Diplazium sorzogonense (C.Presl) C.Presl, Tent. Pterid. (1836) 114; Galope-Obemio et al., J. Threatened Taxa 14 (2022) 22044; Pescuela et al., PJS 153 (2024) 664; Ponkai et al., Phytotaxa 631 (2023) 53; ≡ Athyrium sorzogonense (C.Presl) Milde, Bot. Zeitung (Berlin) 28 (1870) 354; ≡ Asplenium sorzogonense C.Presl, Reliq. Haenk. 1 (1825) 45; Type: Haenke s.n. (PRC, lecto), Luzon. Distribution: Borneo, India, Java, Laos, Malay Peninsula, Moluccas, New Guinea, Pacific Ocean, Philippines, Singapore, Sulawesi, Sumatra, Thailand, Vietnam. LEYTE, LUZON: Cagayan, Camarines Sur, Isabela, Laguna, MINDANAO: Bukidnon, Cotabato, Davao, Davao Oriental, Davao del Sur, Misamis Oriental, South Cotabato, Surigao, Zamboanga Sibugay, Zamboanga del Sur, MINDORO, NEGROS, PALAWAN, PANAY. Notes: 600-1400m. Native.
43. Diplazium sylvaticum (Bory) Sw., Syn. Fil. (Swartz) (1806) 92; Ponkai et al., Phytotaxa 631 (2023) 58; ≡ Athyrium sylvaticum (Bory) Milde, Bot. Zeitung (Berlin) 28 (1870) 354; ≡ Callipteris sylvatica Bory, Voy. Iles Afrique 1 (1804) 282; Type: from France. = Diplazium woodwardioides (C.Presl) Holttum, Novit. Bot. Inst. Horto Bot. Univ. Carol. 1968 (1969) 30; ≡ Brachysorus woodwardioides C.Presl, Abh. Königl. Böhm. Ges. Wiss., 5th Ser. 6 (1851) 430. = Allantodia pinnata Blanco, Fl. Filip., 2nd Ed. (1845) 571. Distribution: Australia, Bangladesh, Borneo, India, Indian Ocean, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, New Guinea, Pacific Ocean, Philippines, Sri Lanka, ?Sulawesi, Sumatra, Thailand. LUZON: Albay, Bataan, Benguet, Laguna, NCR, Quezon, MINDANAO: Bukidnon, Davao, Davao del Sur, Zamboanga del Sur, PALAWAN, PANAY. Notes: (?-)1200m. Native.
44. Diplazium symmetricum (Copel.) M.G.Price, Gard. Bull. Singapore 36 (1983) 26; ≡ Athyrium symmetricum Copel., PJS 81 (1952) 41; Type: Edano PNH 15148 (MICH, lecto), Samar: Mt Cabayanan. Distribution: Endemic to the Philippines. SAMAR. Native.
45. Diplazium tenuifolium (Copel.) Lellinger, Amer. Fern J. 74 (1984) 57; ≡ Athyrium tenuifolium Copel., PJS 40 (1929) 302. Distribution: Philippines, Solomon Isls. MINDANAO: Cotabato, Davao, Davao Oriental, Davao del Sur, Lanao del Sur, South Cotabato, Zamboanga, Zamboanga del Sur. Native.
46. Diplazium tomentosum Blume, Enum. Pl. Javae (1828) 192; Ponkai et al., Phytotaxa 631 (2023) 64; Type: from Indonesia. = Asplenium soboliferum Wall., Numer. List (1829) n.201, nom. inval., nom. nud. Distribution: Borneo, Java, Malay Peninsula, Moluccas, Myanmar, Philippines, Singapore, Sumatra, Thailand, Vietnam. LUZON: Bataan, MINDANAO: Zamboanga del Sur, SAMAR. Notes: 200-1250m. Native.
47. Diplazium whitfordii Copel., PJS 1(Suppl.) (1906) 150; ≡ Athyrium whitfordii (Copel.) Copel., PJS 3c (1908) 296. Distribution: Endemic to the Philippines. LUZON: Bataan, Bulacan, Zambales, NEGROS. Native.
48. Diplazium williamsii Copel., PJS 1(Suppl.) (1906) 150; ≡ Athyrium williamsii (Copel.) Copel., PJS 3c (1908) 297. = Athyrium banahaoense Copel., PJS 38 (1929) 139; ≡ Diplazium banahaoense (Copel.) C.Chr., Index Filic. (C.Chr), Suppl. Tert. (1934) 72. Distribution: Endemic to the Philippines. LUZON: Apayao, Benguet, Kalinga, Laguna, Pampanga, Quezon, MINDANAO: Bukidnon, Cotabato, Davao del Sur, Zamboanga del Sur. Native.
49. Diplazium xiphophyllum (Baker) C.Chr., Index Filic. (C.Chr) (1905) 241; Ponkai et al., Phytotaxa 631 (2023) 66; ≡ Athyrium xiphophyllum (Baker) Copel., Sarawak Mus. J. 2 (1917) 379; ≡ Asplenium xiphophyllum Baker, J. Bot. 17 (1879) 40; Type: from Malaysia. Distribution: Borneo, Java, Malay Peninsula, Moluccas, Philippines, Sumatra, Thailand. CAMIGUIN, LEYTE, MINDANAO: Davao del Sur, Zamboanga del Sur, MINDORO, NEGROS, PALAWAN. Notes: Medium elevation. Native.

Possibly present

1. Diplazium dameriae Pic.Serm., Webbia 45 (1991) 357. Distribution: Andaman Isls, Australia, Bismarck Arch, Java, Malay Peninsula, Moluccas, New Guinea, Pacific Ocean, ?Philippines, Solomon Isls, ?Sulawesi.
2. Diplazium decompositum (Copel.) Parris, Kew Bull. 41 (1986) 69; ≡ Athyrium decompositum Copel., Univ. Calif. Publ. Bot. 18 (1942) 222. Distribution: Moluccas, New Guinea, ?Philippines. ?MINDANAO.
3. Diplazium integrifolium Blume, Enum. Pl. Javae (1828) 190. Distribution: Borneo, India, Java, Malay Peninsula, ?Philippines, Sumatra, Vietnam.
4. Diplazium lobbianum (Hook.) T.Moore, Index Fil. (T.Moore) (1861) 331; ≡ Asplenium lobbianum Hook., Sec. Cent. Ferns (1860) t.17. Distribution: Java, New Guinea, ?Philippines, ?Vietnam.
5. Diplazium vestitum C.Presl, Abh. Königl. Böhm. Ges. Wiss., 5th Ser. 6 (1851) 447; ≡ Athyrium vestitum (C.Presl) Milde, Bot. Zeitung (Berlin) 28 (1870) 354. Distribution: Borneo, Moluccas, ?Philippines. BOHOL, LEYTE, LUZON: Laguna, Rizal, MINDANAO: Zamboanga del Sur, SAMAR. DAO category: Other Threatened Species.