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047.0000 Family Blechnaceae Newman; Hist. Brit. Ferns, ed. 2: 8 (1844)
7-24 genera, ca. 260 spp. Systematics following revision of Gasper et al. (2016)
Species listed in database: 276; hybrids: 11
047.3017 Genus Diploblechnum Hayata; Bot. Mag. (Tokyo) 41: 702 (1928)
Distribution: Malesia, Australia, Pacific
Species listed in database: 6
= Pteridoblechnum Hennipman; Blumea 13: 397 (1966)
= Steenisioblechnum Hennipman; Blumea 30: 17 (1984)
species :
Diploblechnum acuminatum (C.T.White & Goy) Gasper & V.A.O.Dittrich; Phytotaxa 275(3): 208 (2016)
Distribution: Australia (NE-Queensland)
50 AUS
Synonyms: hidden
= Blechnum reticulatum R.K.Wilson & Bayly; Taxon 63(4): 755 (2014), nom. nov.
= Leptochilus acuminatus C.T.White & Goy; Vict. Naturalist 54: 150, t. 16 (1938)
= Pteridoblechnum acuminatum (C.T.White & Goy) Hennipman; Proc. Roy. Soc. Queensland 87: 98 (1976)
= Steenisioblechnum acuminatum (C.T.White & Goy) Hennipman; Blumea 30(1): 19 (1984)
species :
Diploblechnum diversifolium (Mett.) Gasper & V.A.O.Dittrich; Phytotaxa 275(3): 208 (2016)
Distribution: New Caledonia
60 NWC
Synonyms: hidden
= Blechnum diversifolium Mett.; Ann. Sci. Nat., Bot., Sér. 4, 15: 71 (1861)
= Lomaria diversifolia (Mett.) Baker; Syn. Fil. [W.J.Hooker & Baker] 181 (1867)
= Spicanta diversifolia (Mett.) Kuntze; Revis. Gen. Pl. 2: 821 (1891)
= Struthiopteris diversifolia (Mett.) Ching; Sunyatsenia 5: 243 (1940)
species :
Diploblechnum fraseri (A.Cunn.) De Vol; Fl. Taiwan 1: 153 (1975)
Distribution: Taiwan; peninsular Malaysia (Pahang); N-Sumatra; NE-Borneo (Sabah); Sulawesi; Philippines (Luzon, Mindoro); Moluccas (Seram); New Guinea (Papua New Guinea, Irian Jaya); Bismarck Arch. (New Britain, New Ireland); New Zealand (North Isl., South Isl.)
38 TAI 42 BOR MLY MOL NWG PHI SUL SUM 43 BIS 51 NZL
Conservation Status: very rare in Taiwan
Synonyms: hidden
= Blechnum fraseri (A.Cunn.) Luerss.; Flora 59: 292 (1876)
= Blechnum fraseri var. philippense (Christ) Copel.; Polypod. Philipp. Isl. 149 (1905)
= Blechnum integripinnulum Hayata; Icon. Pl. Formosan. 4: 236, f. 165 (1914)
= Diploblechnum integripinnulum (Hayata) Hayata; Bot. Mag. (Tokyo) 41: 702 (1928)
= Lomaria fraseri A.Cunn.; Compan. Bot. Mag. 2: 364 (1836)
= Lomaria fraseri var. philippensis Christ; Bull. Herb. Boissier 6: 149 (1898)
= Spicanta fraseri (A.Cunn.) Kuntze; Revis. Gen. Pl. 2: 821 (1891)
= Struthiopteris fraseri (A.Cunn.) Ching; Sunyatsenia 5: 243 (1940)
= Struthiopteris integripinnula (Hayata) Ching; Sunyatsenia 5: 243 (1940)
species :
Diploblechnum lenormandii (Baker) Gasper & V.A.O.Dittrich; Phytotaxa 275(3): 208 (2016)
Distribution: New Caledonia
60 NWC
Synonyms: hidden
= Blechnum lenormandii (Baker) Diels; Nat. Pflanzenfam. [Engler & Prantl] I, 4: 249 (1899)
= Lomaria lenormandii Baker; Syn. Fil. [W.J.Hooker & Baker] 181 (1867)
= Spicanta lenormandii (Baker) Kuntze; Revis. Gen. Pl. 2: 821 (1891)
species :
Diploblechnum neglectum (F.M.Bailey) Gasper & V.A.O.Dittrich; Phytotaxa 275(3): 208 (2016)
Distribution: Australia (NE-Queensland)
50 AUS
Synonyms: hidden
= Acrostichum neglectum F.M.Bailey; J. & Proc. Roy. Soc. New South Wales 6: 32 (1881)
= Blechnum neglectum (F.M.Bailey) R.K.Wilson & Bayly; Taxon 63(4): 755 (2014)
= Bolbitis neglecta (F.M.Bailey) C.V.Morton; Contr. U.S. Natl. Herb. 38: 215 (1973)
= Campium neglectum (F.M.Bailey) Copel.; Philipp. J. Sci. 37: 374 (1928)
= Gymnopteris neglecta (F.M.Bailey) Diels; Nat. Pflanzenfam. [Engler & Prantl] I, 4: 200 (1899)
= Leptochilus neglectus (F.M.Bailey) C.Chr.; Index Filic. 14 (1905), 386 (1906)
= Pteridoblechnum neglectum (F.M.Bailey) Hennipman; Blumea 13: 397 (1966)
species :
Diploblechnum rosenstockii (Copel.) Gasper & V.A.O.Dittrich; Phytotaxa 275(3): 209 (2016)
Distribution: Sulawesi; New Guinea (Papua New Guinea); Bismarck Arch. (New Ireland)
42 NWG SUL 43 BIS
Synonyms: hidden
= Blechnum rosenstockii Copel.; Univ. Calif. Publ. Bot. 12: 394 (1931)
= Blechnum fraseri var. novoguineense Brause; Bot. Jahrb. Syst. 56: 159 (1920)
= Blechnum tengwallii Kjellb.; Bot. Jahrb. Syst. 66: 57 (1933)
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A complete, synonymic checklist of the Ferns and Lycophytes of the World


Version 25.07 (July 5th, 2025)

Covering 13,190 accepted species,
816 hybrids, 947 accepted infraspecific taxa and 54,508 synonyms,
in total 69,460* names

[*about 1,200 dubious, "unplaced" names are omitted from the main database and listed under "Unplaced names"]


With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 4,677 pictures of 1,435 taxa

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life