Hypodematiaceae
Didymochlaena
Last edited by Pieter B. Pelser, 5 April 2025
- Didymochlaena philippensis Li Bing Zhang & H.Shang, Phytotaxa 479 (2021) 77; Shang & Zhang, Syst. Bot. 48 (2023) 117; Type: Barcelona & Busemeyer 741 (US, holo), Mindanao: Sarangani, Kiamba, Sitio Banate, Mt Tulad (S slope of Mt Busa Range), 30-Mar-1993. ≠ Didymochlaena truncatula auct. non (Sw.) J.Sm; Nooteboom, Fl. Males. ser. 2, 4 (2012) 88. Distribution: Endemic to the Philippines. CATANDUANES, LEYTE, LUZON: Isabela (photos), Nueva Vizcaya, Rizal, Sorsogon, MINDANAO: Agusan, Agusan del Norte, Cotabato, Davao, Davao del Sur, Misamis Oriental (photos), Sarangani, South Cotabato, Zamboanga del Sur, NEGROS, PALAWAN, PANAY. Notes: 600-1200m. Native.
Hypodematium
Last edited by Julie F. Barcelona & Pieter B. Pelser, 23 September 2023
- Hypodematium shingii Li Bing Zhang, X.P.Fan & X.F.Gao, Phytotaxa 482 (2021) 88; Type: from China. ≠ Hypodematium crenatum auct. non (Forssk.) Kuhn. Distribution: Afghanistan, Bhutan, China, India, Japan, ?Laos, Myanmar, Nepal, New Guinea, Pakistan, Philippines, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Vietnam. LUZON: Benguet, Cagayan, Cavite, Ifugao, Mountain Province, Nueva Vizcaya, Rizal. Notes: 500-2260m. Native.
Leucostegia
Last edited by Julie F. Barcelona & Pieter B. Pelser, 2 June 2026
- Leucostegia amplissima (Christ) C.W.Chen, Syst. Bot. 46 (2021) 661; ≡ Davallia immersa var. amplissima Christ, Verh. Naturf. Ges. Basel 11 (1894) 6; Type: from Sulawesi. Distribution: Borneo, Malay Peninsula, Moluccas, New Guinea, Philippines, Sulawesi, Taiwan. LUZON: Benguet, MINDANAO: Bukidnon, Davao, MINDORO, NEGROS. Notes: 600-2250m. Native.
- Leucostegia immersa C.Presl, Tent. Pterid. (1836) 95; Nooteboom, Fl. Males. ser. 2, 4 (2012) 89; Chen et al., Syst. Bot. 46 (2021) 663; Bada et al., J. Tropical Biol. & Conservation 20 (2023) 115; Pescuela et al., PJS 153 (2024) 665; ≡ Davallia immersa (C.Presl) Wall. ex Hook., Sp. Fil. 1 (1845) 156. = Leucostegia truncata (D.Don) Fraser-Jenk., Taxon. Revis. Indian Subcontinental Pteridophytes (2008) 348; Galope-Obemio et al., J. Threatened Taxa 14 (2022) 22046; ≡ Davallia truncata D.Don, Prodr. Fl. Nepal. (1825) 10. Distribution: Bhutan, Borneo, Cambodia, China, India, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Nepal, New Guinea, Philippines, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Tibet, Vietnam. CAMIGUIN, LUZON: Abra, Apayao (photos), Benguet, Camarines Norte, Ifugao, Ilocos Norte, Kalinga, Mountain Province, MINDANAO: Agusan del Norte, Bukidnon, Cotabato, Davao Oriental, Davao del Sur, Lanao del Sur, Misamis Oriental, Sarangani, South Cotabato, Zamboanga del Sur, MINDORO, NEGROS, PANAY, SAMAR. Notes: 1000-2300m. Native.
- Leucostegia pallida (Mett.) Copel., PJS 34 (1927) 252; Nooteboom, Fl. Males. ser. 2, 4 (2012) 91; Chen et al., Syst. Bot. 46 (2021) 663; ≡ Davallia pallida Mett., Linnaea 36 (1869) 142. Distribution: Bismarck Arch, Borneo, Malay Peninsula, Moluccas, Myanmar, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sulawesi, Sumatra. LUZON: Camarines Sur, Quezon, Sorsogon, MINDANAO: Bukidnon, Davao del Sur, South Cotabato, Zamboanga del Sur, SAMAR. Native.
References
- Chen, C-W, SK Tang, R Knapp, MAM Andi, P-F Lu, M Kessler & Y-M Huang. 2021. Leucostegia amplissima, the third species of the genus (Hypodematiaceae). Systematic Botany 46: 656-665.
- Fan, X-P, L Zhang, R Knapp, H He, X-F Gao & L-B Zhang. 2021. Hypodematium shingii sp. nov. (Hypodematiaceae; Polypodiales): Replacing the misapplied “H. crenatum”, a widespread fern from Asia. Phytotaxa 482: 87-92.
- Nooteboom, HP. 1992. Notes on Davalliaceae I. The genera Araiostegia, Davallodes, Leucostegia, and Gymnogrammitis. Blumea 37: 165-187
- Nooteboom, HP. 2012. Hypodematiaceae. Flora Malesiana series 2 4: 85-91.
- Shang, H & L-B Zhang. 2023. Systematics of the fern genus Didymochlaena (Didymochlaenaceae). Systematic Botany 48: 110-139.
- Shang, H, Z-L Liang & L-B Zhang. 2021. Taxonomy of the fern genus Didymochlaena (Didymochlaenaceae) from Asia and Pacific islands based on morphological and molecular evidence with the description of four new species and one new status. Phytotaxa 479: 71-82.