Genus: Adiantum

By Michael Hassler and Brian Swale.



A list of the species of the genus Adiantum, giving current name, authority, synonyms, published references, geographic distribution and (sometimes) illustrations.

Please note: an asterisk * in the distribution list means that the species is exotic to the country named.


Class Filicopsida
Trivial names: Ferns
Statistics: 15 orders, 53 families, 310 genera, 9300-10700 species
[11501 species and 454 hybrids listed.

Order Pteridales
Statistics: 10 families, 53 genera, 1065-1300 spp. [1358 species and 42 hybrids listed]

Family Adiantaceae
(C. Presl) Ching; Sunyatsenia 5: 229 (1940) nom. cons.
Statistics: 1 genus, 150-200 spp. [220 species and 3 hybrids listed]
Revision date: 20.07.2001
= Dennstaedtiaceae subfam. Adiantoideae (C. Presl) R. Tryon; Amer. Fern J. 76:
184 (1987)
Revision date: 20.07.2001

Adiantum L.; Gen. Pl. 782. (1737) & Spec. plant. 2. 1094 (1753)
Trivial names: Maidenhair Ferns
Statistics: 150-200 spp. worldwide, mostly Andes [220 species and 3 hybrids listed]
Revision date: 20.07.2001
= Hewardia J. Smith; Jour. Bot. (Hook.) 3: 432 (1841)
= Adiantellum Presl; Tent. Pterid. 157 (1836)
= Apotomia F้e; Gen. Fil. 112 (1850-52)
= Mesopleuria Moore; Ind. Fil. XXXVI (1857)

Adiantum abscissum Schrad.; Gött. gel. Anz (1824) 872
Adiantum aculeolatum Alderw.; Bull. D้pt. agric. Ind. n้erl. 18. 10 (1908)
Adiantum adiantoides (J. Sm.) C. Chr.; Ind. 23 (1905)
Remarks: phyllitidis agg.
Adiantum aethiopicum L.; Syst. Nat. ed. X. 2. 1329 (1759)
Trivial names: Common maidenhair, true maidenhair
Adiantum alarconianum Gaud.; Voy. Bonite Bot. t. 99 (1846)
Adiantum aleuticum (Rupr.) C.A.Paris; Rhodora 93(874): 112 (1991)
Trivial names: Aleutian Maidenhair Fern
Adiantum amazonicum A. R. Sm.; Ann. Missouri Bot. Gard. 77(2): 260 (1990)
Adiantum amblyopteridium Mickel & Beitel; Pterid. Fl. Oaxaca [Mem. New York
Adiantum amelianum Glaziou; Bak., Journ. Bot. 309 (1882)
Adiantum anceps Maxon & Morton; Amer. Fern Journ. 24: 15 (1934)
Remarks: platyphyllum agg.
Adiantum andicola Liebm.; Vid. Selsk. Skr. V. 1. 266 (seors 114) (1849)
Remarks: capillus-veneris agg.
Adiantum aneitense Carr.; Seem. Fl. Vit. 346 (1873)
Adiantum angustatum Kaulf.; Enum. 202 (1824)
Adiantum annamense Ching; Acta Phytotax. Sin. 6: 315 (1957)
Adiantum atroviride Bostock; Fl. Australia 48: 707 (1998)
Adiantum balfourii Bak.; Hook. Ic. pl. t. 1630 (1886)
Remarks: philippense agg.
Adiantum bellum Moore; Gard. Chr. n. s. 11. 172 t 24 (1879)
Adiantum bessoniae Jenm.; W. Ind. and Guiana Ferns 96 (1899)
Adiantum blumenavense Rosenst.; Festschr. Alb. v. Bamberg 57 (1905)
Adiantum boliviense Christ & Rosenst.; Fedde Repert. 6. 230 (1908)
Adiantum bonatianum Brause; Hedwigia 64. 206 t. 4 f. K (1914)
var. subaristatum Ching; Acta Phytotax. Sin. 6: 338 (1957)
Adiantum bonii Christ; Journ. de Bot 8. 150 (1894)
Adiantum brasiliense Raddi; Pl. Bras. 1. 57 t. 76 (1825) Chr. 141
Remarks: pectinatum agg.
Adiantum braunii Mett. ex Kuhn; Linn. 86. 75 (1869)
Remarks: capillus-veneris agg.
Adiantum breviserratum (Ching) Ching & Y.X.Lin; Acta Phytotax. Sin. 18(1): 104 (1980)
Adiantum cajennense Willd.; Kl. Linn. 18. 552 (1844) (cayennense)
Remarks: tetraphyllum agg.
Adiantum calcareum Gaertn.; Hook. Ic. pl. t. 467 (1842)
Adiantum capillus-junonis Rupr.; Distr. Cr. vasc. Ross. 49 (1845)
Adiantum capillus-veneris L.; Sp. 2. 1096 (1753)
Trivial names: Southern maidenhair, Venus-hair fern, Venushaar
Remarks: capillus-veneris agg.
var. trifidum (Willd.) B้guinot
var. modestum Fern.
var. protrusum Fern.
Adiantum caryotideum Christ; Bull. Soc. bot. Geneve 11. 1. 230, fig (1909)
Remarks: tetraphyllum agg.
Adiantum caudatum L.; Mant. 308 (1771)
Trivial names: Trailing maidenhair
Remarks: philippense agg.
Adiantum celebicum Christ; Verh. Nat. Ges. Basel 11. 428 (1896)
Adiantum chienii Ching; Sinenisia 1. 50 (1930)
Adiantum chilense Kaulf.; Enum. 207 (1824)
var. subsulphureum (J.Remy) Giudice; Hickenia 2(24): 112 (1995)
Adiantum christii Rosenst.; Fedde Repert. 12. 166 (1913)
Adiantum comoroense (Tardieu) Verdc.; Kew Bull. 46(2): 272 (1991)
Adiantum concinnum Humb. & Bonpl. ex Willd.; Sp. 6. 451 (1810)
Trivial names: Common Maidenhair Fern, Brittle maidenhair
Remarks: capillus-veneris agg.
Adiantum cordatum Maxon; Amer. Fern Journ. 121. 136 (1931)
Remarks: phyllitidis agg.
Adiantum coreanum Tagawa; Acta Phytotax. 1. 159 (1932)
Adiantum crespianum Bosco; Nuov. Giorn. Bot. Ital. ser. 2. 45: 148. t.10(2) (1938)
Adiantum cuneatiforme C. Chr.; Kungl. Svenska Vetens. akad. Handl. ser. 3. 16(2): 63.
t.14(8-10) (1937)
Adiantum cunninghamii Hook.; Sp. 2. 52 t. 86
Adiantum cupreum Copel.; Leaflets Phil. Bot. 4. 1152 (1911)
Adiantum curvatum Kaulf.; Enum. 202 (1804)
Adiantum davidii Franch.; Nouv. Arch. Mus. 11. 10. 112 (1887)
var. longispinum Ching; Acta Phytotax. Sin. 6: 333 (1957)
Adiantum decoratum Maxon & Weatherby; Amer. Journ. Bot. 19. 165 (1932)
Remarks: tetraphyllum agg.
Adiantum deflectens Mart.; Ic. Cr. Bras. 94 (1834)
Remarks: philippense agg.
Adiantum deltoideum Sw.; Prod. 134 (1788)
Remarks: capillus-veneris agg.
Adiantum diaphanum Bl.; Enum. 215 (1828)
Trivial names: Filmy maidenhair, Small maidenhair
Remarks: patens agg.
Adiantum digitatum Presl; Tent. 159. (1836), nomen, ex Hook., Sp. 2. 38 (1851)
Remarks: capillus-veneris agg.
Adiantum diphyllum (F้e) Maxon; Amer. Fern Journ. 21. 137 (1931)
Adiantum discretodenticulatum V.Marcano; Acta Bot. Venez. 15(3-4): 120 (1988-89 publ. 1990)
Adiantum dissimulatum Jenm.; Gard. Chr. 111. 16. 656 (1894)
Adiantum dolosum Kze.; Linn. 21. 219 (1848)
Remarks: phyllitidis agg.
Adiantum edgeworthii Hook.; Sp. Fil. 2 14. t. 81 B (1851)
Adiantum elegantulum Maxon; Contr. Gray Herb. 165: 70. t. 5 (1947)
Adiantum erylliae Tardieu & C. Chr.; Notul. Syst. [Paris] 6: 172. t.1(1-2) (1938)
Adiantum erythrochlamys Diels; Engl. Jahrb. 29. 201 (1900)
var. hunanense C.M.Zhang; Keys Vasc. Pl. Wuling Mourit. (ed. W.T.Wang & al.):
563 (1995)
Adiantum excisum Kze.; Linn. 9. 82 (1834)
Adiantum feei Moore; F้e, 7 mem. 29 t. 24 f. 1 (1857)
Remarks: capillus-veneris agg.
Adiantum fengianum Ching; Bull. Fan Mem. Inst. Biol. ser. 2. 1: 267 (1949)
Adiantum fimbriatum Christ; Bull. Soc. Fr. 62 M้m. 1. 62 (1905)
var. shensiense (Ching) Ching & Y.X.Lin; Fl. Reipubl. Popul. Sin. 3(1): 207 (1990)
Adiantum flabellulatum L.; Sp. 2. 1095 (1753)
Adiantum flabellum C. Chr.; Cat. Pl. Mad. Pter. 50 (1931) [nomen, Dansk Bot. Ark. 7. 123
t. 48 (1932)
Remarks: reniforme agg.
Adiantum formosanum Tagawa; Journ. Jap. Bot. 14: 315 (1938)
Adiantum formosum R. Br.; Prod. Fl. N. HoII. 155 (1810)
Remarks: pectinatum agg.
Adiantum fossarum Rojas Acosta; Bull. G้ogr. Bot. 28. 156 (1918)
Adiantum fournieri Copel.; Univ. Calif. Publ. Bot. 11. 367 (1929)
Remarks: patens agg.
Adiantum fragile Sw.; Prod. 135 (1788)
Remarks: capillus-veneris agg.
var. rigidulum (Mett. ex Kuhn) Proctor; Mem. New York Bot. Gard. 53: 143 (1989)
Adiantum fructuosum Kze.; Spreng. Syst. 4. 113 (1827)
Remarks: tetraphyllum agg.
Adiantum fuliginosum F้e; Gen. 116 (1850-52)
Remarks: tetraphyllum agg.
Adiantum fulvum Raoul; Choix de Plantes 9 (1846)
Remarks: pectinatum agg.
Adiantum galeottianum Hook.; Sp. 2. 10 t. 80B (1851)
Remarks: patens agg.
Adiantum gertrudis Espin.; Verhand. Deutsch. Wiss. Ver. Santiago Chile Ber.2. 3: 67.
t.1-4 (1937)
Adiantum gibbosum Roemer; Kuhn, Jahrb. bot. Gart. Berlin 1. 344 (1881)
Adiantum gingkoides C. Chr.; Bull. Mus. Paris 11. 6. 100 (1934)
Adiantum glabrum Copel.; Occ. Pap. Bishop Mus. 14: 67. t. 18 (1938)
Adiantum glareosum Lindm.; Ark. för Bot. 1. 202 t. 9 f. 5 (1903)
Adiantum glaucescens Kl.; Linn. 18. 562 (1844)
Adiantum glaucinum Kze.; Ettingsh., Farnkr. 82 t. 48 f. 7 (1865)
Adiantum glaziovii Bak.; Journ. Bot. 309 (1882)
Adiantum gomphophyllum Bak.; Ann. Bot. 8, 124 (1894)
Adiantum gracile F้e; Gen. 116 (1850-52)
Adiantum gravesii Hance; Journ. Bot. (1875) 197
Adiantum grossum Mett.; Ann. sc. nat. V. 2. 215 (1864)
Adiantum henslovianum Hook. f.; Tr. Linn. Soc. 20. 169 (1847)
Remarks: patens agg.
Adiantum hispidulum Sw.; J. Bot. (Schrader) 1800(2): 82 (1801)
Trivial names: Rosy maidenhair, Rough maidenhair
Remarks: pectinatum agg.
var. whitei (F.M.Bailey) Bostock; Austrobaileya 2(4): 362 (1987)
var. hypoglaucum Domin; Biblioth. Bot. 20(85): 152 (1913)
var. minus Bostock; Fl. Australia 48: 708 (1998)
Adiantum hollandiae Alderw.; Bull. Jard. bot. Buit. II. Nr. VII. 1 (1912)
Adiantum hornei Bak.; Journ. Bot. 294 (1879)
Adiantum hosei Bak.; Journ. Bot. 324 (1888)
Adiantum humile Kze.; Linn. 9. 80 (1834)
Remarks: tetraphyllum agg.
Adiantum imbricatum Tryon; Amer. Fern Journ. 47: 142. t.15(B) (1957)
Adiantum incertum Lindm.; Ark. för Bot. 1. 204 t. 9 f. 4 (1903)
Adiantum incisum Forssk.; Fl. Aeg. 187 (1775)
ssp. incisum Forssk.; Fl. Aeg. 187 (1775)
ssp. indicum (Ghatak) Fraser-Jenkins; New Species Syndrome in Indian Pteridology
and the Ferns of Nepal 33 (1997)
Adiantum intermedium Sw.; Vet. Ak. Handl. 76 (1817)
Adiantum isthmicum B.Zimmer; Willdenowia 19(1): 215 (1989)
Remarks: phyllitidis agg.
Adiantum jordanii K. Müll.; Bot. Zeit (1864) 26 t. 1 f. 1 (1864)
Trivial names: California Maidenhair Fern
Adiantum juxtapositum Ching; Acta Phytotax. Sin. 6: 312 (1957)
Adiantum kendalii Jenm.; Journ. Bot. 39 (1886)
Adiantum kingii Copel.; Phil. Journ. Sci. Bot. 9. 5 (1914)
Adiantum klossii Gepp; Journ. Nat. Hist. Siam 4. 159 (1921)
Adiantum lamrianum Bidin & Jaman; Gard. Bull. Singapore 41(2): 45 (1988 publ. 1989)
Adiantum latifolium Lam.; Enc. 1. 43 (1783)
Remarks: tetraphyllum agg.
Adiantum leprieurii Hook.; Sp. 2. 31 t. 82 B (1851)
Remarks: pectinatum agg.
Adiantum levingei Bak.; Ann. Bot. 5. 207 (1891)
Adiantum lianxianense Ching & Y.X.Lin; Acta Phytotax. Sin. 18(1): 102 (1980)
Adiantum lindeni Moore; Gard. Chr. 778 (1866)
Adiantum lobatum Kze.; Kuhn, Jahrb. bot. Gart. Berlin 1. 348 (1881)
Remarks: patens agg.
Adiantum lorentzii Hier.; Engl. Jahrb. 22. 393 (1896)
Adiantum lucidum (Cav.) Swartz; Syn. 121 (1806)
Remarks: phyllitidis agg.
Adiantum lunulatum (Roxb.) Burm.; Fl. Ind. 235 (1768)
Remarks: phyllitidis agg.
Adiantum macrocladum Kl.; Linn. 18. 554 (1844)
Adiantum macrophyllum Sw.; Prod. 135 (1788)
Remarks: phyllitidis agg.
Adiantum madagascariense Rosendahl; Ark. för Bot. 14(18) 1 t. 1 f. 1-2 (1916)
var. prolongatum (Bonap.) Tard.
Adiantum malaliense Jenm.; Gard. Chr. 111. 20. 182 (1896)
Adiantum malesianum Ghatak; Bull. Bot. Surv. India 5: 73, f.1,4,6,7 (1963)
Adiantum mariesii Bak.; Gard. Chr. n. s. 14. 494 (1880)
Adiantum mathewsianum Hook.; Sp. 2. 35 t. 84a (1851)
Remarks: pectinatum agg.
Adiantum mcvaughii Mickel & Beitel in McVaugh; Fl. Novo-Galiciana 17: 147 (1992)
Adiantum melanoleucum Willd.; Sp. Pl. 5(1): 443 (1810)
Trivial names: Fragrant Maiden-hair
Remarks: pectinatum agg.
Adiantum mendoncae Alston; Mendonca, Estud. Ens. Docum. Junta Invest. Ultramar. 12:
19. t. 6, 7 (1954)
Adiantum menglianense Y.Y.Qian; Acta Bot. Austro Sin. 8: 37 (1992)
Adiantum mettenii Kuhn; Fil. Afr. 65 (1868) (nomen), ex Kuhn, Jahrb. bot. Gart. Berlin 1.
338 (1881)
Adiantum mindanaense Copel.; Phil. Journ. Sci. 1. Suppl. II. 154 t. 10 (1906)
Adiantum monochlamys Eat.; Proc. Amer. Acad. 4. 110 (1858)
Adiantum monosorum Bak.; Syn. 472 (1874)
Adiantum multisorum Sampaio; Comm. Linh. telegr. Mato Gros so ao Amazonas Publ.
no. 33. 11 t. 1 f. 1 (1916)
Adiantum myriosorum Bak.; Kew Bull. 230 (1898)
var. recurvatum Ching & Y.X.Lin; Bull. Bot. Res., Harbin 3(3): 4 (1983)
Adiantum neoguineense Moore; Gard. Chr. n. s. 7. 12 (1877)
Adiantum novae-caledoniae Keys.; M้m. Ac. St. P้tersb. 22(2): 4, 27 c. tab (1875)
Adiantum nudum A. R. Sm.; Ann. Missouri Bot. Gard. 77(2): 260 (1990)
Adiantum oaxacanum Mickel & Beitel; Pterid. Fl. Oaxaca [Mem. New York Bot. Gard. 46]:
25 (1988)
Adiantum obliquum Willd.; Sp. 6. 429 (1810)
Remarks: phyllitidis agg.
Adiantum ogasawarense Tagawa; Journ. Jap. Bot. 14: 314 (1938)
Adiantum olivaceum Bak.; Syn. 127 (1867)
Remarks: phyllitidis agg.
Adiantum opacum Copel.; Phil. Journ. Sci. 1. Suppl. IV. 255 t. 3 (1906)
Adiantum orbignyanum Mett. ex Kuhn; Linn. 86. 78 (1869)
Remarks: capillus-veneris agg.
Adiantum ornithopodum Presl; Tent. 158 (1836) (nomen), ex Kuhn, Linn. 86. 74 (1869)
Adiantum ovalescens F้e; 8 m้m. 72 (1857)
Adiantum oyapokense Jenm.; W. Ind. and Guiana Ferns 85 (1899)
Adiantum palaoense C. Chr.; Dansk Bot. Ark. 9(3): 53 (1937)
Adiantum papillosum Handro; Loefgrenia 14: 1 (1964)
Adiantum paraense Hieron.; Hedwigia 48: 233 t. 11 f, 10 (1909)
Adiantum parishii Hook.; Fil. Exot. t. 51 (1858)
Remarks: reniforme agg.
Adiantum patens Willd.; Sp. 5. 439 (1810)
ssp. patens Willd.; Sp. 5. 439 (1810)
Remarks: patens agg.
ssp. oatesii (Bak.) Schelpe; Bol. Soc. Brot. ser. 2a, 41: 203 (1967)
Adiantum pearcei Phil.; Anal. Univ. Chile 68 (1861)
Adiantum pectinatum Kze.; Ettingsh, Farnkr. 85 t. 46 t 14-16 (1865)
Remarks: tetraphyllum agg.
Adiantum pedatum L.; Sp. Pl. 2: 1095 (1753)
ssp. pedatum L.; Sp. 2. 1095 (1753)
Trivial names: Northern Maidenhair Fern
Remarks: patens agg.
ssp. calderi Cody; Rhodora 85(841): 93 (1983)
ssp. subpumilum (W.H.Wagner) Lellinger; Amer. Fern J. 74(2): 62 (1984)
Adiantum peruvianum Kl.; Linn. 18. 555 (1844)
Trivial names: Silver-dollar fern
Remarks: platyphyllum agg.
Adiantum petiolatum Desv.; Berl. Mag. 6. 326 (1811)
Remarks: tetraphyllum agg.
Adiantum phanerophlebium (Bak.) C. Chr.; Dansk Bot. Ark. 7i 123 t. 49 (1932)
Remarks: phyllitidis agg.
Adiantum philippense L.; Sp. 2. 1094 (1753)
Remarks: philippense agg.
Adiantum phyllitidis J. Sm.; Lond. Journ. Bot. 1. 197 (1842)
Remarks: phyllitidis agg.
Adiantum platyphyllum Sw.; Vet. Akad. Hdl (1817) 74 t. 3 f. 6
Remarks: platyphyllum agg.
Adiantum poeppigianum Presl; Tent. 157. (1836), nomen, ex Hieron., Hedwigia 48. 231 (1909)
Remarks: phyllitidis agg.
Adiantum poiretii Wikstr.; Vet. Akad. Hdl (1825) 443 (1826)
Remarks: capillus-veneris agg.
Adiantum polyphyllum Willd.; Linn. Sp. Pl. 5: 454 (1810)
Trivial names: Giant maidenhair
Remarks: tetraphyllum agg.
Adiantum princeps Moore; Gard. Chr. n. a. 4. 197 f. 43-44 (1875)
Remarks: pectinatum agg.
Adiantum pseudotinctum Hier.; Engl. Jahrb. 22. 394 (1896)
Adiantum pulchellum Bl.; Enum. 216 (1828)
Adiantum pulcherrimum Cop.; Phil. Journ. Sci. Bot. 6. 138 t. 22 (1911)
Adiantum pulverulentum L.; Sp. 2. 1096 (1753)
Remarks: tetraphyllum agg.
var. caudatum Jenman; Bull. Bot. Dept. Jamaica no. 33: 7 (1892)
Adiantum pumilum Sw.; Prod. 134 (1788)
Adiantum pyramidale (L.) Willd.; Sp. 5. 442 (1810)
Remarks: pectinatum agg.
Adiantum raddianum Presl; Tent. Pterid. 158 (1836)
Remarks: capillus-veneris agg.
Adiantum rectangulare Lindm.; Ark. för Bot. 1. 204 t. 9 f. 3 (1903)
Adiantum reniforme L.; Sp. 2. 1094 (1763)
Remarks: reniforme agg.
var. asarifolium (Willd.) Sim
var. crenatum Bak.; Journ. Bot. 4 (1891)
var. sinense Y.X.Lin; Acta Phytotax. Sin. 18(1): 102 (1980)
Adiantum rhizophorum Sw.; Syn. 320, 422 (1806)
var. comorense Tard.
Adiantum rhizophytum Schrad.; Gött. gel. Anz. 872 (1824)
Remarks: philippense agg.
Adiantum robinsonii Alderw.; Phil. Journ. Sci. Bot. 11. 110 (1916)
Adiantum roborowskii Maxim.; M้l. biol. 11. 867 (1883)
var. taiwanianum (Tagawa) W.C. Shieh (1968)
f. faberi (Baker) Y.X.Lin; Fl. Reipubl. Popul. Sin. 3(1): 212 (1990)
Adiantum rondoni Sampaio; Comm. Linh. telegr. Mato Grosso ao Amazonas Publ.
no. 33. 13 t. 1 f. 2 (1916)
Adiantum rubellum Moore; Gard. Chr. 866 (1868)
Adiantum rufopetalum Mett. ex Kuhn; Jahrb. bot. Gart. Berlin 1. 350 (1881)
Adiantum ruizianum Kl.; Linn. 18. 551 (1844)
Remarks: patens agg.
Adiantum scabrum Kaulf.; Enum. 207 (1824)
Adiantum scalare Tryon; Amer. Fern Journ. 47: 141. t.15(A) (1957)
Remarks: phyllitidis agg.
Adiantum schmalzii Rosenst.; Fedde Repert. 8. 277 (1910)
Adiantum schmidtchenii Hier.; Engl. Jahrb. 84. 487 (1904)
Adiantum schweinfurthii Kuhn; Sitzungsber. Ges. nat. Fr. Berlin 40 (1869) 40
Adiantum seemannii Hook.; Sp. 2. 6 t. 81a (1851)
Remarks: platyphyllum agg.
Adiantum semiorbiculatum Bonap.; N. Pt. 13. 105 (1921)
Adiantum senae Bak.; Journ. Bot. 217 (1886)
Adiantum sericeum Eat.; Bot. Zeit. 361 (1869)
Remarks: capillus-veneris agg.
Adiantum serratifolium Alderw.; Bull. Jard. bot. Buit. II. nr. VII. 1 (1912)
Adiantum serratodentatum Willd.; Sp. 6. 445 (1810)
Remarks: tetraphyllum agg.
Adiantum shepherdii Hook.; Sp. 2. 9 t. 73 B (1851)
Remarks: patens agg.
Adiantum siamense Tag. & lwatsuki; Acta Phytotax. Geobot. 25: 20 (1971)
Adiantum silvaticum Tind.; Contrib. New S. Wales Nation. Herb. 3: 246, t.8 (1963)
Adiantum sinuosum Gardn.; Hook. Ic. pl. t. 504 (1843)
Remarks: patens agg.
Adiantum soboliferum Wall.; List n. 74 (1828) ex Hook., Sp. 2. 13 t. 74 A (1851)
Adiantum sordidum Lindm.; Ark. för Bot. 1. 205 t. 9 f. 1 (1903)
Adiantum stenochlamys Bak.; Ann. Bot. 6. 209 (1891)
Adiantum stolzii Brause; Engl. Jahrb. 68. 387 (1915)
Adiantum subcordatum Sw.; Vet. Ak. Hdl. 75 (1817)
Remarks: platyphyllum agg.
Adiantum subvolubile Mett. ex Kuhn; Linn. 86. 77 (1869)
Remarks: capillus-veneris agg.
Adiantum tenerum Sw.; Prod. 135 (1788)
Trivial names: Brittle Maidenhair Fern
Remarks: capillus-veneris agg.
var. farleyense (T. Moore) Andr้; Illustr. Hort. 19: 64 (1872)
Adiantum tenuissimum Taubert; Engl. Jahrb. 21. 421 (1896)
Adiantum terminatum Kze. ex Miq.; Diar. lnst. Reg. Bat (1843)
Remarks: tetraphyllum agg.
Adiantum tetragonum Schrad.; Gött. gel. Anz. 872 (1824)
Adiantum tetraphyllum Humb. & Bonpl. ex Willd.; Sp. 6. 441 (1810)
Remarks: tetraphyllum agg.
Adiantum thalictroides Willd. (Schlecht., Adumbr. 53 t. 33 ined.), Kze. Linn. 10. 530
(1836)
Remarks: some authors include this species in the Old World A. poiretii
f. bottini Giúdice & Nieto (1994)
var. hirsutum (Hook. & Grev.) De la Sota
Adiantum tomentosum Kl.; Linn. 18. 553 (1844)
Remarks: tetraphyllum agg.
Adiantum trapeziforme L.; Sp. 2. 1097 (1753)
Remarks: pectinatum agg.
Adiantum trichochlaenum Mickel & Beitel; Pterid. Fl. Oaxaca [Mem. New York Bot.
Gard. 46]: 29 (1988)
Remarks: tetraphyllum agg.
Adiantum tricholepis F้e; M้m. Foug. 8: 72 (1857)
Trivial names: Hairy Maidenhair Fern
Remarks: capillus-veneris agg.
Adiantum trilobum L.; Sp. Pl. 1095 (1753)
Adiantum tripteris Kramer; Acta Bot. Neerl. 18: 138, f.1 (1969)
Adiantum urophyllum Hook.; Sp. 2. 24 t. 84B (1851)
Remarks: tetraphyllum agg.
Adiantum venustum D. Don; Prod. Fl. Nepal 17 (1825)
Trivial names: Hardy maidenhair, Evergreen maidenhair
var. wuliangense Ching & Y.X.Lin; Acta Phytotax. Sin. 18(1): 104 (1980)
Adiantum villosissimum Mett. ex Kuhn; Linn. 36. 73 (1869)
Adiantum villosum L.; Syst. Nat. ed. X. 2. 1328 (1769)
Remarks: tetraphyllum agg.
Adiantum viridescens Col.; Tr. New Zeal. Inst. 27. 400 (1895)
Remarks: pectinatum agg.
Adiantum viridimontanum Paris; Rhodora 93: 108 (1991)
Trivial names: Green Mountain Maidenhair
Adiantum vivesii Proctor; Mem. New York Bot. Gard. 53: 140 (1989)
Adiantum vogelii Mett. ex Kuhn; Fil. Afr. 66 (1868) (syn.), ex Keys., M้m. Ac. St. P้tersb.
22(1). 8, 31 (1875)
Remarks: tetraphyllum agg.
Adiantum wattii (Bedd.) Bak.; Journ. Linn. Soc. 18: 381 t. 14. f. A (1881)
Adiantum wilesianum Hook.; Sp. 2. 50 t. 83 C (1851)
Remarks: pectinatum agg.
Adiantum wilsonii Hook.; Sp. 2. 6 t. 72 A (1861)
Remarks: phyllitidis agg.
Adiantum x spurium Jermy & T.G.Walker; Fern Gaz. 13(3): 188 (1987) [nom. nov.
Remarks: Adiantum lucidum x villosum
Adiantum x tracyi C.C.Hall ex Wagner; Madrono 13: 198. f.1, 2(B), 3(B) (1956)
Remarks: Adiantum jordanii x pedatum
Adiantum x variopinnatum Jermy & T.G.Walker; Bull. Brit. Mus. (Nat. Hist.) Bot. 13(2):
254 (1985)
Remarks: Adiantum latifolium x petiolatum
Adiantum zollingeri Mett. ex Kuhn; Ann. Mus. Lugd. Bat. 4: 280 (1869)