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037.0000 Family Pteridryaceae Li Bing Zhang, X.M.Zhou, Liang Zhang & N.T.Lu; J. Syst. Evol. 56(2): 157 (2018)
4 genera, ca. 30 spp. The family was accepted as separate from Tectariaceae by PPG-II.
Species listed in database: 28
037.0004 Genus Pteridrys C.Chr. & Ching; Bull. Fan Mem. Inst. Biol., Bot. 5: 125 (1934)
Distribution: Vietnam (many), India, Sri Lanka, SE-China to Taiwan and New Guinea. Monograph: X. M. Zhou & Li Bing Zhang (2019)
Species listed in database: 22
species :
Pteridrys acutissima Ching ex C.Chr. & Ching; Bull. Fan Mem. Inst. Biol., Bot. 5: 138 (1934)
Distribution: peninsular Malaysia (Perak); Borneo (Sarawak)
42 BOR MLY
species :
Pteridrys australis Ching ex C.Chr. & Ching; Bull. Fan Mem. Inst. Biol., Bot. 5: 142 (1934)
Distribution: China (Guangdong, Yunnan); Myanmar; Thailand; Laos; Vietnam; peninsular Malaysia (Selangor)
36 CHI 41 LAO MYA THA VIE 42 MLY
Synonyms: hidden
= Dryopteris lofouensis C.Chr.; (1931) (non Christ 1910)
= Pteridrys nigra Ching & Chu H.Wang; Acta Phytotax. Sin. 19(1): 130 (1981)
species :
Pteridrys catenata Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 245 (2019)
Distribution: Thailand
41 THA
species :
Pteridrys cicuzzai Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 250 (2019)
Distribution: Sulawesi
42 SUL
species :
Pteridrys clarinervis Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 270 (2019)
Distribution: Thailand; peninsular Malaysia
41 THA 42 MLY
species :
Pteridrys cnemidaria (Christ) C.Chr.et.Ching; Bull. Fan Mem. Inst. Biol., Bot. 5: 136, t. 12, 18 (8-9), 20 (19) (1934)]
Distribution: China (Guizhou, Yunnan, Guangxi); Taiwan; India (Andhra Pradesh, Assam State, Kerala, Meghalaya, Tamil Nadu, West Bengal, ?Sikkim); +Sri Lanka; Myanmar; Thailand; Laos; Vietnam; peninsular Malaysia; Philippines
36 CHI 38 TAI 40 IND SRL 41 LAO MYA THA VIE 42 MLY PHI
Remarks: synonymy following Fraser-Jenkins et al. 2018
Conservation Status: IUCN CR for India (Fraser-Jenkins 2012)
Synonyms: hidden
= Aspidium syrmaticum Christ; (1898) (non Willd. 1810)
= Dryopteris cnemidaria Christ; Bull. Acad. Int. Géogr. Bot. 140 (1910)
= Dryopteris syrmatica C.Chr.; (1931) (non Kuntze 1891)
= Pteridrys zeylanica Ching ex C.Chr. & Ching; Bull. Fan Mem. Inst. Biol., Bot. 5: 135, t. 20(16-18) (1934) (fide Fraser-Jenkins et al. 2018)
species :
Pteridrys confertiloba Holttum; Fl. Males., Ser. 2, Pterid. 2(1): 8 (1991), nom. nov.
Distribution: New Guinea (Papua New Guinea)
42 NWG
Synonyms: hidden
= Dryopteris metteniana var. novoguineensis Brause; Bot. Jahrb. Syst. 56: 93 (1920)
species :
Pteridrys costularis Li Bing Zhang, Liang Zhang, N.T.Lu & X.M.Zhou; Phytotaxa 324(3): 279 (2017)
Distribution: Vietnam
41 VIE
species :
Pteridrys dongshiyongii Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 253 (2019)
Distribution: New Guinea (Irian Jaya)
42 NWG
species :
Pteridrys dorsifixa Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 247 (2019)
Distribution: India (Assam)
40 IND
species :
Pteridrys hanoiensis Li Bing Zhang, Liang Zhang, N.T.Lu & X.M.Zhou; Phytotaxa 324(3): 282 (2017)
Distribution: Vietnam
41 VIE
species :
Pteridrys lofouensis (Christ) C.Chr. & Ching; Bull. Fan Mem. Inst. Biol., Bot. 5: 141, t. 19(14) (1934)
Distribution: China (Guizhou, Yunnan)
36 CHI
Synonyms: hidden
= Dryopteris lofouensis Christ; Bull. Acad. Int. Géogr. Bot. 143 (1910)
species :
Pteridrys malesiana Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 270 (2019)
Distribution: Thailand; peninsular Malaysia
41 THA 42 MLY
species :
Pteridrys microthecia (Fée) C.Chr. & Ching; Bull. Fan Mem. Inst. Biol., Bot. 5: 139, t. 14, 18(10-11) (1934)
Distribution: S-Vietnam; Borneo (Sabah, Sarawak); Sulawesi; Palawan; Philippines; Moluccas (Ambon); New Guinea (Irian Jaya, Papua New Guinea)
41 VIE 42 BOR MOL NWG PHI PLW SUL
Synonyms: hidden
= Aspidium microthecium Fée; Mém. Foug. 10 (Icon. Esp. Nouv.): 37, t. 41, f. 2 A (1865)
= Dryopteris metteniana Hieron.; Philipp. J. Sci. 2: 210 (1907)
= Dryopteris microthecia (Fée) C.Chr.; Index Filic., Suppl. (1906-1912) 15 (1917)
= Dryopteris subsagenioides Alderw.; Bull. Jard. Bot. Buitenzorg, Sér. 2, 9: 9 (1913) (nom. illeg., non Christ (1910))
= Dryopteris vangenderenstortii Alderw.; Bull. Jard. Bot. Buitenzorg, Sér. 2, 23: 11 (1916)
species :
Pteridrys nonattingens Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 256 (2019)
Distribution: Moluccas
42 MOL
species :
Pteridrys olivacea (Rosenst.) Copel.; Ann. Cryptog. Phytopathol. 5 [Gen. Fil.]: 126 (1947)
Distribution: Moluccas (Seram); New Guinea (Papua New Guinea); Bismarck Arch. (New Ireland)
42 MOL NWG 43 BIS
Synonyms: hidden
= Dryopteris olivacea Rosenst.; Hedwigia 66: 352 (1915)
species :
Pteridrys reticulata Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 262 (2019)
Distribution: Vietnam
41 VIE
species :
Pteridrys syrmatica (Willd.) C.Chr. & Ching; Bull. Fan Mem. Inst. Biol., Bot. 5: 131 (1934)
Distribution: India (Arunachal Preadesh, Meghalaya, ?West Bengal); +Sri Lanka; Myanmar; Thailand; Laos; Vietnam; peninsular Malaysia; Sulawesi; Palawan; Philippines; Lesser Sunda Isl. (Bali, Wetar); Moluccas (Seram); Christmas Isl. [Austr.]
40 IND SRL 41 LAO MYA THA VIE 42 LSI MLY MOL PHI PLW SUL XMS
Conservation Status: IUCN EN for India (Fraser-Jenkins 2012)
Synonyms: hidden
= Aspidium spectabile Blume; Enum. Pl. Javae 2: 158 (1828)
= Aspidium syrmaticum Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 237 (1810) (patria erronea)
= Dryopteris oxyodus (Baker) C.Chr.; Index Filic. 282 (1906)
= Dryopteris syrmatica (Willd.) Kuntze; Revis. Gen. Pl. 2: 813 (1891)
= Dryopteris syrmatica var. petiolosa Christ; Philipp. J. Sci., C 2: 210 (1907)
= Lastrea spectabilis (Blume) J.Sm.; J. Bot. [Hooker] 3: 412 (1841)
= Lastrea syrmatica (Willd.) T.Moore; Index Fil. [T. Moore] 105 (1858)
= Nephrodium oxyodon (Baker) Copel.; Polypod. Philipp. Isl. 23 (1905)
= Nephrodium spectabile (Blume) Hook.; Sp. Fil. [W.J.Hooker] 4: 115 (1862)
= Nephrodium syrmaticum (Willd.) C.B.Clarke; Trans. Linn. Soc. London, Bot., Ser. 2, 1: 518 (1880) (p. p.)
= Nephrodium syrmaticum (Willd.) Desv.; Mém. Soc. Linn. Paris 6(2): 259 (1827)
= Phegopteris oxyodus (Baker) Alderw.; Malayan Ferns 491 (1909)
= Polypodium oxyodon Baker; J. Bot. 17: 66 (1879)
species :
Pteridrys triangularis Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 265 (2019)
Distribution: Vietnam
41 VIE
species :
Pteridrys vanderwerffii Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 265 (2019)
Distribution: Vietnam
41 VIE
species :
Pteridrys vietnamensis Li Bing Zhang, Liang Zhang, N.T.Lu & X.M.Zhou; Phytotaxa 324(3): 285 (2017)
Distribution: Vietnam
41 VIE
species :
Pteridrys wusugongii Li Bing Zhang & X.M.Zhou; Syst. Bot. 44(2): 267 (2019)
Distribution: Vietnam
41 VIE
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A complete, synonymic checklist of the Higher Plants of the World

Version 25.12 (Dec. 21st, 2025)

Covering 358,226 accepted species,
8,847 hybrids, 48,003 accepted infraspecific taxa and 1,006,142 synonyms,
in total 1,421,218* names

[*about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]

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