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044.0000 Family Thelypteridaceae Ching ex Pic.Serm.; Webbia 24: 711 (1970)
3-34 genera (depending on genus concept), 1100-1200 spp. The genus concepts were wildly fluctuating and disputed, from the inclusion of everything into one monster genus Thelypteris to the split of over 30 genera. We use the new genus concept by Fawcett & Smith (2021), which is based on molecular results and adopts a compromise approachl
Species listed in database: 1181; hybrids: 39
044.2026 Genus Strophocaulon S.E.Fawc. & A.R.Sm.; Sida, Bot. Misc. 59: 87 (2021)
Distribution: Indian Ocean, Malesia, N-Australia, Oceania
Species listed in database: 2

Search for: Strophocaulon

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species :
Strophocaulon invisum (G.Forst.) S.E.Fawc. & A.R.Sm.; Sida, Bot. Misc. 59: 88 (2021)
Distribution: Sulawesi; Moluccas (Kei Isl., Tanimbar Isl., Ambon); New Guinea (Papua New Guinea); Bismarck Arch. (Admiralty Isl.); Solomon Isl. (Guadalcanal, Tulagi); New Caledonia; Santa Cruz Isl.; Vanuatu; Tonga (Late Isl., Tongatapu, Lifuka, Vava´u, Niuatoputapu, ´Eua); Niue; Fiji (Viti Levu, Vanua Levu, Gau, Kadavu, Ovalau, Taveuni); Wallis & Futuna (Futuna Isl.); American Samoa (Ta´u); [Western] Samoa (´Upolu); Tuvalu [c]; Cook Isl. (Rarotonga, Mangaia, Aitutaki, Ngaputoru Group); Marquesas Isl. (Hiva Oa, Fatu Hiva, Ua Huka); Society Isl. (Moorea, Maupiti, Tahiti, Bora Bora, Mehetia, Huahine); Austral Isl. (Raivavae, Rurutu, Tubuai, Rimatara); Palau; Cuba [I]
42 MOL NWG SUL 43 BIS SOL 60 ASA FIJ NUE NWC SAM SCZ TON tuv VAN WAL 61 AUI COO MRQ SCI 62 PLU 81 cub
Synonyms: hidden
= Aspidium invisum (G.Forst.) Christ; Bot. Jahrb. Syst. 23: 350 (1896)
= Cyclosorus invisus (G.Forst.) Copel.; Ann. Cryptog. Phytopathol. 5 [Gen. Fil.]: 142 (1947)
= Dryopteris invisa (G.Forst.) Kuntze; Revis. Gen. Pl. 2: 813 (1891)
= Nephrodium attenuatum T.Moore; Index Fil. [T. Moore] 86 (1858)
= Nephrodium invisum (G.Forst.) Carruth.; Fl. Vit. [Seemann] 362 (1873)
= Polypodium exosum J.F.Gmel.; Syst. Nat., ed. 13bis, 2(2): 1311 (1792), nom. superfl.
= Polypodium invisum G.Forst.; Fl. Ins. Austr. 81 (1786) (non Thelypteris invisa (Sw.) Proctor)
= Sphaerostephanos invisus (G.Forst.) Holttum; Webbia 30: 195 (1976)
= Thelypteris forsteri C.V.Morton; Contr. U.S. Natl. Herb. 38: 60 (1967), nom. nov. for Polypodium invisum G. Forst.
species :
Strophocaulon unitum (L.) S.E.Fawc. & A.R.Sm.; Sida, Bot. Misc. 59: 88 (2021)
Distribution: Tanzania; Madagascar; Comores (Mayotte); Mauritius; La Réunion; Rodrigues; Seychelles (Mahé, Silhouette Isl., Long Isl.); India (Bihar, Karnataka, Kerala, Madhya Pradesh, Tamil Nadu, Tripura); Sri Lanka; Myanmar; peninsular Thailand; N-Vietnam; peninsular Malaysia; Singapore [I]; Sumatra; Borneo (Sabah, Sarawak); SW-Sulawesi; Palawan; Philippines; Java; Lesser Sunda Isl. (Lombok, Sumba, Flores, Timor, Wetar, Bali, Sumbawa, Alor); New Guinea (Irian Jaya, Papua New Guinea); Bismarck Arch. (Admiralty Isl.); Australia (N-Northern Territory, SE-Queensland); Vanuatu; Rotuma Isl.; Tonga (Kao, Vava´u, ´Eua); Fiji (Viti Levu, Vanua Levu, Ovalau, Taveuni); American Samoa (Tutuila); [Western] Samoa (´Upolu); Austral Isl. (Tubuai); Palau (Babeldaob, Koror); Northern Marianas (Rota Isl., Saipan, Tinian, Pagan, Agrigan, Pagan, Alamagan); Guam; Fed. States of Micronesia (Yap, Pohnpei, Kosrae)
25 TAN 29 COM MAU MDG REU ROD SEY 40 IND SRL 41 MYA THA VIE 42 BOR JAW LSI MLY NWG PHI PLW sng SUL SUM 43 BIS 50 AUS 60 ASA FIJ ROT SAM TON VAN 61 AUI 62 GUM MIC MRN PLU
Synonyms: hidden
= Aspidium canescens (C.Presl) Kunze; Bot. Zeitung (Berlin) 556 (1848)
= Aspidium cucullatum Blume; Enum. Pl. Javae 2: 151 (1828)
= Aspidium cucullatum var. rigidum Blume; Enum. Pl. Javae 2: 152 (1828)
= Aspidium haenkeanum (C.Presl) E.Fourn.; Ann. Sci. Nat., Bot., Sér. 5, 18: 298 (1873), nom. illeg.
= Aspidium leuconeuron (Fée) Kuhn; Filic. Afr. [Kuhn] 136 (1868)
= Aspidium unitum (L.) Sieber ex Mett.; Abh. Senckenberg. Naturf. Ges. 2(2) [Pheg. u. Asp.]: 392 (1858), isonym
= Aspidium unitum (L.) Sw.; J. Bot. [Schrader] 1801(2): 32 (1801)
= Cyclosorus haenkeanus (C.Presl) Ching; Bull. Fan Mem. Inst. Biol., Bot. 8: 194 (1938)
= Cyclosorus unitus (L.) Ching; Bull. Fan Mem. Inst. Biol., Bot. 8: 192 (1938)
= Dryopteris cucullata (Blume) Christ; Philipp. J. Sci. 2: 194 (1907)
= Dryopteris haenkeana (C.Presl) Kuntze; Revis. Gen. Pl. 2: 812 (1891)
= Dryopteris leuconeuros (Fée) Nakai; Bot. Mag. (Tokyo) 47: 180 (1933)
= Dryopteris unita (L.) Kuntze; Revis. Gen. Pl. 2: 811 (1891)
= Dryopteris unita var. glabra Underw.; Native Ferns, ed. 4: 114 (1893)
= Nephrodium canescens C.Presl; Tent. Pterid. 81 (1836)
= Nephrodium cucullatum (Blume) Baker; Syn. Fil. [W.J.Hooker & Baker] 290 (1867)
= Nephrodium haenkeanum C.Presl; Abh. Königl. Böhm. Ges. Wiss., Ser. 5, 6 [Epim. Bot.]: 46 (1851)
= Nephrodium insculptum Desv.; Mém. Soc. Linn. Paris 6(2): 254 (1827)
= Nephrodium leuconeuron Fée; Mém. Foug. 5 (Gen. Filic.) 306 t. 18 C, f. 3 (1852) (as leuconevron)
= Nephrodium microcarpon Fée; Mém. Foug. 5 (Gen. Filic.) 307 (1852)
= Nephrodium plectochlaena Fée; Mém. Foug. 5 (Gen. Filic.) 307 (1852)
= Nephrodium serratum (Cav.) C.Presl; Reliq. Haenk. 1: 34 (1825) (non Aspidium Sw. (1806) nec Meniscium Cav. (1802))
= Nephrodium unitum (L.) Bory; Voy. Indes Or. [Bélanger] 2: 61 (1833)
= Polypodium caudigerum Wall.; Numer. List [Wallich] no. 298 (1829), nomen
= Polypodium dichotomum Houtt.; Nat. Hist. [Houttuyn] 2(14): 181 (1783)
= Polypodium unitum L.; Syst. Nat., ed. 10, 2: (1759), excl. syn. (1326)
= Polystichum unitum (L.) Gaudich.; Voy. Uranie [Freycinet], Bot. 325 (1827)
= Pteris polypodioides Poir.; Encycl. [J.Lamarck et al.] 5: 716 (1804)
= Sphaerostephanos cucullatus (Blume) S.M.Almeida & M.R.Almeida; J. Bombay Nat. Hist. Soc. 82(3): 699 (1985 publ. 1986)
= Sphaerostephanos unitus (L.) Holttum; Companion Handb. Ferns Brit. India [Nayar & Kaur] 206 (1974)
= Tectaria serrata Cav.; Descr. Pl. [Cavanilles] 251 (1801)
= Thelypteris haenkeana (C.Presl) C.F.Reed; Phytologia 17: 281 (1968)
= Thelypteris leuconeuros (Fée) Schelpe; J. S. African Bot. 31: 266 (1965)
= Thelypteris unita (L.) C.V.Morton; Amer. Fern J. 49: 113 (1959)
variant :
var. dimorphophyllum (T.Hayashi, Suleiman, H.Okada & Tsukaya) comb.ined.
Distribution: Borneo (Sabah)
42 BOR
Synonyms: hidden
= Sphaerostephanos unitus var. dimorphophyllus T.Hayashi, Suleiman, H.Okada & Tsukaya; Phytotaxa 346(2): 288 (2018)
variant :
var. mucronatum (Christ) comb.ined.
Distribution: Borneo (Mt. Kinabalu, Sabah); Sulawesi; Philippines; Lesser Sunda Isl. (Sumba, Wetar, Timor); Moluccas; New Guinea; Solomon Isl. (Choiseul, Gizo, Guadalcanal, Santa Ysabel, Kolombangara, Makira, Malaita, Nggela, Rennell, Russells, Rendova, Vella Lavella)
42 BOR LSI MOL NWG PHI SUL 43 SOL
Synonyms: hidden
= Aspidium multilineatum (C.Presl) Mett.; Abh. Senckenberg. Naturf. Ges. 2(2) [Pheg. u. Asp.]: 389 [Pheg. u. Asp. 108, no. 258] (1858)
= Dryopteris cucullata var. mucronata Christ; Philipp. J. Sci. 2: 195 (1907)
= Dryopteris multilineata (C.Presl) C.Chr.; Svensk Bot. Tidskr. 16: 95 (1922) (non Kuntze 1891)
= Nephrodium multilineatum C.Presl ex Diels; Fl. Schutzgeb. Südsee [Schumann & Lauterbach] 113 (1901), nom. illeg., non Baker 1867
= Nephrodium multilineatum C.Presl; Tent. Pterid. 81 (1836) (non Baker (1867))
= Sphaerostephanos unitus var. mucronatus (Christ) Holttum; Fl. Males., Ser. 2, Pterid. 1(5): 478 (1982)
variant :
var. papillifer (Holttum) comb.ined.
Distribution: New Guinea (widespread)
42 NWG
Synonyms: hidden
= Sphaerostephanos unitus var. papilliferus Holttum; Fl. Males., Ser. 2, Pterid. 1(5): 479 (1982)
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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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