030.0000 Family Pteridaceae E.D.M.Kirchn.; Schul-Bot. 109 (1831)

48 genera, ca. 1350 spp. The family has been split extensively in smaller subgroups, but Smith et al. (2006) and PPG-I argue for keeping them together.

Species listed in database: 1402; hybrids: 68

030.4001 Genus Adiantum L.; Sp. Pl. 2: 1094 (1753)

Distribution: Worldwide, mostly wet areas in mountains, especially Andes. 1 undescribed species in Taiwan to be published 2017 (Knapp, in litt.)

Species listed in database: 243; hybrids: 7

species :

Adiantum abscissum Schrad.; Gött. Gel. Anz. 872 (1824)

Distribution: Brazil (Alagoas, Bahia, Ceará, Espírito Santo, Goiás, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Pernambuco, Paraná, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, São Paulo)

84 BRA

Synonyms: hidden

= Adiantum brasiliense Raddi; Pl. Bras. Nov. Gen. 1: 57, t. 76 (1825)

= Adiantum cuneatum Kaulf.; Enum. Filic. [Kaulfuss] 202 (1824)

= Adiantum curvatum var. brasiliense (Raddi) Baker; Fl. Bras. [Martius] 1(2): 376 (1870)

= Adiantum pedatum Raddi; Opusc. Sci. 8: 295 (1819)

= Adiantum pubescens Raddi; Opusc. Sci. 3: 295 (1819) (non Schkuhr (1809))

= Adiantum subramosum Fée; Crypt. Vasc. Brésil 1: 36, t. 9, f. 1 (1869)

= Adiantum tetragonum Baker; Syn. Fil. [W. J. Hooker & Baker], ed. 1: 126 (1867) (non Schrad (1824))

species :

Adiantum acrolobum A.Rojas; Mét. Ecol. Sist. 3(Supl. 1): 2 (2008)

Distribution: Nicaragua; Costa Rica; Panama; ?Colombia

80 COS NIC PAN

species :

Adiantum adiantoides (J.Sm.) C.Chr.; Index Filic. 23 (1905)

Distribution: Guyana; Surinam; French Guiana; Brazil (Amapa, Pará, Amazonas)

82 FRG GUY SUR 84 BRA

Remarks: phyllitidis agg.

Synonyms: hidden

= Adiantum hewardia Kunze; Farnkräuter 1: 104 (1842), nom. superfl.

= Hewardia adiantoides J.Sm.; J. Bot. (Hooker) 3: 432, t. 16, 17 (1841)

species :

Adiantum aethiopicum L.; Syst. Nat. ed. X, 2: 1329 (1759)

Name: Common maidenhair, true maidenhair

Distribution: South Africa (W-Cape Prov., E-Cape Prov.); Australia (Western Australia, South Australia, Queensland, Victoria, Tasmania, Australian Capital Territory); Lord Howe Isl.; New Zealand (North Isl., South Isl.); New Caledonia

27 SAF 50 AUS LHI 51 NZL 60 NWC

Remarks: Relationship to A. poiretii unclear. Possibly the tropical African populations are referrable to A. aethiopicum, and A. poiretii is restricted to La Réunion.

Synonyms: hidden

= Adiantum aethiopicum f. assimile (Sw.) F.M.Bailey; Compr. Cat. Queensland Pl. 641 (1913)

= Adiantum assimile Sw.; J. Bot. (Schrader) 1800(2): 83 (1801)

= Adiantum aubertii Desv.; Mem. Soc. Linn. Paris 6(2): 310 (1827)

= Adiantum cycloides Zenker; Pl. Ind. 1: t. 11 (1835)

= Adiantum subtrapezoideum Christ; Bull. Herb. Boissier, sér. 2, 4: 1094 (1904)

= Adiantum trigonum Labill.; Nov. Holl. Pl. 2: 99, t. 248, f. 2 (1806)

species :

Adiantum alan-smithii R.Y.Hirai, Sundue & J.Prado; Syst. Bot. 39(2): 382 (2014)

Distribution: Mexico (Chiapas)

79 MEX

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

species :

Adiantum alarconianum Gaudich.; Voy. Bonite, Bot. t. 99 (1846)

Distribution: Colombia (Chocó, La Guajira, Magdalena); Ecuador; Galapagos; N-Peru

82 CLM 83 ECU GAL PER

Synonyms: hidden

= Adiantum incisum C.Presl; Reliq. Haenk. 1: 61 t 10, f. 3 (1825) (non Forssk. (1775))

species :

Adiantum aleuticum (Rupr.) C.A.Paris; Rhodora 93(874): 112 (1991)

Name: Aleutian Maidenhair Fern

Distribution: Luxembourg [I]; Germany [I]; Aleutes; S-Alaska; Canada (Alberta, British Columbia, Newfoundland, Québec); USA (Arizona, California, Colorado, Idaho, Maine, Michigan, Montana, Nevada, Oregon, Utah, Vermont, Washington State, Wyoming); Mexico (Chihuahua, Sinaloa, Sonora)

11 ger lux 70 ASK 71 CDN 72 CDN 73 USA 75 USA 76 USA 79 MEX

Synonyms: hidden

= Adiantum boreale C.Presl; Tent. Pterid. 158 (1836), nom. nud.

= Adiantum pedatum f. aleuticum (Rupr.) Clute; Ferns in Their Haunts 298, 383 (1938)

= Adiantum pedatum subsp. aleuticum (Rupr.) Calder & Roy L.Taylor; Canad. J. Bot. 43: 1388 (1965), isonym

= Adiantum pedatum subsp. aleuticum (Rupr.) Piper & Beattie; Fl. N. W. Coast [Piper & Beattie] 4 (1915)

= Adiantum pedatum subsp. calderi Cody; Rhodora 85(841): 93 (1983)

= Adiantum pedatum var. aleuticum Rupr.; Distr. Crypt. Vasc. Ross. 48 (1845)

= Adiantum pedatum var. praeflexum Copel. ex C.F.Baker; West Amer. Pl. 2: 7 (1903)

= Adiantum pedatum var. rangiferinum E.S.Burgess; Proc. & Trans. Roy. Soc. Canada 4, Sect. 4: 11 (1886)

variant :

var. subpumilum (W.H.Wagner) E.R.Alverson; Amer. Fern J. 100(4): 231 (2011)

Distribution: Canada (British Columbia); W-USA (California, Oregon)

71 CDN 73 USA 76 USA

Synonyms: hidden

= Adiantum pedatum var. subpumilum W.H.Wagner; Canad. J. Bot. 56(15): 1727 (1978)

= Adiantum pedatum subsp. subpumilum (W.H.Wagner) Lellinger; Amer. Fern J. 74: 62 (1984)

species :

Adiantum alleniae S.Linds.; Gard. Bull. Singapore 70(1): 120 (2018)

Distribution: peninsular Malaysia

42 MLY

species :

Adiantum alomae Caluff; Amer. Fern J. 99(2): 93 (2009)

Distribution: Cuba

81 CUB

species :

Adiantum amblyopteridium Mickel & Beitel; Mem. New York Bot. Gard. 46 [Pterid. Fl. Oaxaca]: 20 (1988)

Distribution: Mexico (Oaxaca, Quintana Roo)

79 MEX

species :

Adiantum amplum C.Presl; Reliq. Haenk. 1: 63 (1825)

Distribution: Mexico (Campeche, Chiapas, Colima, Durango, Guerrero, Jalisco, Mexico State, Michoacan, Nayarit, Oaxaca, Sinaloa, Tabasco, Veracruz, Zacatecas); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Colombia (Magdalena); Venezuela (Portuguesa)

79 MEX 80 BLZ COS ELS GUA HON NIC PAN 82 CLM VEN

Remarks: pectinatum agg.

Synonyms: hidden

= Adiantum princeps T.Moore; Gard. Chron., ser. 2, 4: 197, f. 43-44 (1875)

species :

Adiantum anceps Maxon & C.V.Morton; Amer. Fern J. 24: 15 (1934)

Name: Double edge maidenhair

Distribution: USA [I] (Florida [I]); Colombia; Ecuador; Peru; Bolivia (La Paz)

78 usa 82 CLM 83 BOL ECU PER

Remarks: platyphyllum agg.

species :

Adiantum andicola Liebm.; Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afd., ser. 5, 1: 266 (seors 114) (1849)

Distribution: Mexico (Aguascalientes, Chiapas, Chihuahua, Colima, Ciudad de Mexico, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacan, Morelos, Nayarit, Nuevo Leon, Oaxaca, Puebla, Queretaro, San Luis Potosi, Sinaloa, Sonora, Tamaulipas, Tlaxcala, Veracruz); Guatemala; El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Colombia (Cauca)

79 MEX 80 COS ELS GUA HON NIC PAN 82 CLM

Remarks: capillus-veneris agg.

Synonyms: hidden

= Adiantum amabile Liebm.; Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afd., ser. 5, 1: 265 (seors. 113) (1849)

= Adiantum amplum var. concolor Rosenst.; Repert. Spec. Nov. Regni Veg. 22: 6 (1925)

= Adiantum capillus-veneris f. dissectum (M.Martens & Galeotti) Ching; Acta Phytotax. Sin. 6: 344 (1957)

= Adiantum capillus-veneris var. dissectum (M.Martens & Galeotti) T.Moore; Index Fil. [T. Moore] 21 (1857)

= Adiantum cooperi Baker; J. Bot. 25: 25 (1887)

= Adiantum cuneatum var. angustifolium M.Martens & Galeotti; Mem. Foug. 9 (Cat. Foug. Mex.): 70 (1842)

= Adiantum glaucophyllum Hook.; Sp. Fil. [W. J. Hooker] 2: 40 (1851)

= Adiantum palmense Christ; Bull. Soc. Bot. Genève, sér. 2, 1: 230 (1909)

= Adiantum tenerum var. dissectum M.Martens & Galeotti; Mem. Foug. 9 (Cat. Foug. Mex.): 71 (1842)

species :

Adiantum aneitense Carruth.; Fl. Vit. [Seemann] 346 (1873)

Distribution: Azores [I] (Faial [I]); Moluccas (Seram); New Guinea (Papua New Guinea, Irian Jaya); Solomon Isl. (Guadalcanal, Kolombangara); Vanuatu (Aneityum, etc.)

21 azo 42 MOL NWG 43 SOL 60 VAN

species :

Adiantum aquismonense Gúzman-Cornejo & Pacheco; Brittonia 75(4): 99 (2024)

Distribution: Mexico (Campeche, Nuevo León, Querétaro, Quintana Roo, San Luis Potosí, Tamaulipas, Veracruz)

79 MEX

species :

Adiantum argutum Splitg.; Tijdschr. Natuurl. Gesch. Physiol. 7: 427 (1840)

Distribution: Trinidad; Colombia (Boyacá, Meta, Vichada); Venezuela (Amazonas, Bolívar, Delta Amacuro, Merida); Guyana; Surinam; French Guiana; Bolivia (Beni, Cochabamba, La Paz, Pando, Santa Cruz); Peru; Brazil (Acre, Amazonas, Amapá, Maranhão, Maranhão, Mato Grosso, Pará, Pernambuco, Rondônia, Roraima)

81 TRT 82 CLM FRG GUY SUR VEN 83 BOL PER 84 BRA

Remarks: Details for distribution and status see Prado & Lellinger (2002)

species :

Adiantum atroviride Bostock; Fl. Australia 48: 707 (1998)

Distribution: Australia (NE-Northern Territory, Queensland, New South Wales)

50 AUS

Synonyms: hidden

= Adiantum aethiopicum f. queenslandiae F.M.Bailey; Compr. Cat. Queensland Pl. 641 (1913), nom. nud.

= Adiantum aethiopicum f. variegatum F.M.Bailey; Compr. Cat. Queensland Pl. 641 (1913)

= Adiantum aethiopicum var. nodosum Bonap.; Notes Ptéridol. 1: 196 (1915)

species :

Adiantum balfourii Baker; Hooker´s Icon. Pl. t. 1630 (1886)

Distribution: Sudan; Ethiopia; Eritrea; Djibouti; Somalia; Abd-al-Kuri Isl.; Samha Isl.; Soqotra

24 DJI ERI ETH SOC SOM SUD

Remarks: philippense agg.

Synonyms: hidden

= Adiantum martinii Pirotta; Annuario Reale Ist. Bot. Roma 8: 15, t. 12 A (1903)

species :

Adiantum bellum T.Moore; Gard. Chron., ser. 2, 11: 172 t 24 (1879)

Distribution: Bermuda

81 BER

Synonyms: hidden

= Adiantum bellum var. walsingense Gilbert; Bull. Torrey Bot. Club 25: 596 (1898)

= Adiantum walsingense Gilbert; Bull. Torrey Bot. Club 25: 596 (1898), nom. altern.

species :

Adiantum blumenavense Rosenst.; Festschrift Albert von Bamberg 57 (1905)

Distribution: Brazil (Santa Catarina)

84 BRA

Remarks: provisionally accepted name

species :

Adiantum bonatianum Brause; Hedwigia 64: 206, t. 4, f. K (1914)

Distribution: China (Guizhou, Sichuan, Yunnan)

36 CHI

Remarks: close to A. venustum and included there by Fraser-Jenkins (2015) but separate fide molecular data

Synonyms: hidden

= Adiantum bonatianum var. subaristatum Ching; Acta Phytotax. Sin. 6: 338 (1957)

species :

Adiantum braunii Mett.; Kuhn, Linnaea 36: 75 (1869)

Distribution: Mexico (Aguascalientes, Chiapas, Chihuahua, Colima, Durango, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacan, Morelos, Nayarit, Oaxaca, Queretaro, San Luis Potosi, Sinaloa, Sonora, Veracruz, Zacatecas); Guatemala; El Salvador; Nicaragua; Costa Rica; Colombia; Venezuela (Aragua); Ecuador

79 MEX 80 COS ELS GUA NIC 82 CLM VEN 83 ECU

Remarks: capillus-veneris agg.

Synonyms: hidden

= Adiantum braunii var. cuneatum Kuhn; Linnaea 36: 75 (1869)

= Adiantum braunii var. obovatum Kuhn; Linnaea 36: 76 (1869)

= Adiantum convolutum E.Fourn.; Mexic. Pl. 1: 127, t. 6 (1872)

= Adiantum heteroclitum Christ; Bull. Herb. Boissier, sér. 2, 4: 1094 (1904)

species :

Adiantum cajennense Willd.; Linnaea 18: 552 (1844) (cayennense)

Distribution: Panama; Colombia (Antioquia); Venezuela (Amazonas, Bolívar, Tachira); Guyana; Surinam; French Guiana; Ecuador; Bolivia (Cochabamba, La Paz); Brazil (Acre, Amazonas, Amapá, Bahia, Maranhão, Mato Grosso, Pará, Pernambuco, Rondônia, Roraima)

80 PAN 82 CLM FRG GUY SUR VEN 83 BOL ECU 84 BRA

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum cajennense var. stenophyllum T.Moore; Index Fil. [T. Moore] 22 (1857)

species :

Adiantum calcareum Gaertn.; Hooker´s Icon. Pl. t. 467 (1842)

Distribution: Brazil (Bahia, Brasilia Distrito Federal, Goiás, Minas Gerais, Mato Grosso)

84 BRA

Synonyms: hidden

= Adiantum caudatum var. calcareum (Gardner) Baker; Fl. Bras. [Martius] 1(2): 363 (1870)

species :

Adiantum camptorachis Sundue, J.Prado & A.R.Sm.; Amer. Fern J. 100(4): 196 (2011)

Distribution: Bolivia (Cochabamba, Tarija); Argentina (Cordoba)

83 BOL 85 ARG

species :

Adiantum capillatum A.R.Sm. & J.Prado; Brittonia 56(1): 82 (-84, fig. 1) (2004)

Distribution: Ecuador

83 ECU

species :

Adiantum capillus-junonis Rupr.; Distr. Crypt. Vasc. Ross. 49 (1845)

Distribution: China (Gansu, Guangdong, Guangxi, Guizhou, Hebei, Henan, Shandong, Sichuan, Yunnan); North Korea; Japan; Taiwan; Thailand (NE-Thailand); Vietnam

36 CHI 38 JAP NKO TAI 41 THA VIE

Remarks: not in India

Synonyms: hidden

= Adiantum cantoniense Hance; Ann. Sci. Nat., Bot., sér. 4, 16: 229 (1861)

species :

Adiantum capillus-veneris L.; Sp. Pl. 2: 1096 (1753)

Name: Echter Frauenhaarfarn (DE); Maidenhair Fern (EN)

Distribution: England (England, Wales, S-Scotland, Isle of Man); Ireland (Ireland, Northern Ireland); Netherlands [I]; Belgium [I]; Germany [I]; Switzerland; Slovakia; Portugal; Spain; Andorra; Gibraltar; Baleares; France; Channel Isl. (Guernsey, Jersey); Corsica; Sardinia; Italy; Sicily; Pantelleria; Isole Pelagie (Lampedusa); San Marino; Slovenia; Croatia; Bosnia & Hercegovina; Montenegro; North Macedonia; Albania; Bulgaria; European Turkey; Greece (widespread, incl. Sporades, Kiklades); Crete (widespread); Crimea; S-Morocco; Algeria; Tunisia; Libya; Egypt; Azores (Santa Maria Isl., Sao Miguel Isl., Terceira, Faial, Flores Isl.); Madeira (Madeira Isl., Ilhas Desertas, Porto Santo Isl.); Canary Isl. (Lanzarote, Fuerteventura, Gran Canaria, Tenerife, La Gomera, Hierro, La Palma Isl.); Cape Verde Isl. (Santo Antao Isl., Ilha de Sao Nicolau, Ilha de Sao Tiago, Fogo Isl.); Cape Verde Isl. (Santo Antao Isl., Sao Vicente Isl., Ilha de Sao Nicolau, Ilha de Sao Tiago, Fogo Isl., Ilha Brava); Mauritania; Senegal; Mali; Niger (Air Mts.); Nigeria; Congo [Brazzaville]; D.R.Congo [Zaire]; Rwanda; N-Chad (Tibesti, Ennedi); Sudan; Ethiopia; Djibouti; Somalia; Samha Isl.; Soqotra; Uganda; Kenya; Tanzania; Angola; Zambia; Malawi; Zimbabwe; Mozambique; Namibia; Botswana; South Africa (widespread); Lesotho; Eswatini [Swaziland]; Madagascar; Comores (Anjouan, Grande Comore, Mayotte); Mauritius; La Réunion; Rodrigues; Ascension Isl. [I]; Kazakhstan; Turkmenistan; Uzbekistan; Kyrgyzstan; Tajikistan; Northern Caucasus; Georgia [Caucasus]; Armenia; Azerbaijan; East Aegaean Isl. (widespread, incl. Rhodos); Turkey (Anatolia); Iraq; Iran; Afghanistan; Cyprus; Lebanon; Syria; Israel; Palestine; Jordania; Sinai peninsula; Saudi Arabia; Bahrain; United Arab Emirates; Oman; N-Yemen; S-Yemen; China (Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Macao, Shaanxi, Shanxi, Sichuan, Yunnan, Zhejiang); Tibet; Japan; Ryukyu Isl.; Taiwan; Pakistan; Nepal; Bhutan; India (Jammu & Kashmir, Andhra Pradesh, Arunachal Pradesh, Assam State, Bihar, Chandigarh, Chhattisgarh, Delhi, Goa, Gujarat, Haryana, Himachal Pradesh, Jharkhand, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Pondicherry, Punjab, Rajasthan, Sikkim, Tamil Nadu, Telengana, Tripura, Uttarakhand, Uttar Pradesh, West Bengal); Sri Lanka; Bangladesh; Thailand (N-Thailand, NE-Thailand, SW-Thailand, C-Thailand, peninsular Thailand); Laos; Cambodia; Vietnam; peninsular Malaysia (north of Malaya); Borneo (Sabah); Philippines; Lesser Sunda Isl. (Lombok, Sumba, Timor); Australia (Western Australia, Northern Territory, South Australia, Queensland, Victoria, New South Wales); New Zealand [I]; New Caledonia; Rotuma Isl.; Tonga (Tongatapu, ´Eua, Vava´u); Fiji [I]; Cook Isl. (Rarotonga, Mangaia); Society Isl. (Tahiti); Austral Isl. (Rurutu); Hawaii (Niihau, Kauai, Oahu, ?Molokai, Lanai, Maui, Hawaii Isl.); Canada (British Columbia); USA (Alabama, Arkansas, Arizona, California, Colorado, Florida, Georgia, Kentucky, Louisiana, Maryland, Missouri, Mississippi, North Carolina, New Mexico, Nevada, Ohio, Oklahoma, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia); Mexico (Aguascalientes, Baja California Norte, Baja California Sur, Chiapas, Chihuahua, Coahuila, Ciudad de Mexico, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacan, Morelos, Nayarit, Nuevo Leon, Oaxaca, Puebla, Queretaro, San Luis Potosi, Sinaloa, Sonora, Tamaulipas, Tlaxcala, Veracruz, Zacatecas); Guatemala; Belize; Honduras; Bahamas; Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Dominica; St. Lucia; St. Vincent; Barbados; Trinidad; ?Colombia; Venezuela (Aragua, Venezuela Distrito Federal, Falcon, Lara, Merida, Miranda); Peru; Brazil (Rio Grande do Sul); Chile [I] (Tarapacá [I], Atacama [I], Coquimbo [I], Valparaíso [I], Metropolitana de Santiago [I], O´Higgins [I], Maule [I])

10 GRB IRE 11 bgm ger net SLO SWI 12 ADO BAL CIS COR FRA GIB POR SAR SPA 13 ALB BIH BUL CRO GRC ITA KRI MNT NMA PEL PTL SIC SLV SMA TUE 14 KRY 20 ALG EGY LBY MOR TUN 21 AZO CNY CVI MDR 22 MLI MTN NGA NGR SEN 23 CON RWA ZAI 24 CHA DJI ETH SOC SOM SUD 25 KEN TAN UGA 26 ANG MLW MOZ ZAM ZIM 27 BOT LES NAM SAF SWZ 28 asc 29 COM MAU MDG REU ROD 32 KAZ KGZ TKM TZK UZB 33 ARM AZE GEO NCS 34 AFG CYP EAI IRN IRQ ISR JOR LEB PAL SIN SYR TUR 35 BAR OMA SAU UAE YEM 36 CHI TIB 38 JAP NNS TAI 40 BAN BHU IND NEP PAK SRL 41 CBD LAO THA VIE 42 BOR LSI MLY PHI 50 AUS 51 nzl 60 fij NWC ROT TON 61 AUI COO SCI 63 HAW 71 CDN 73 USA 74 USA 75 USA 76 USA 77 USA 78 USA 79 MEX 80 BLZ GUA HON 81 BAH BBD CUB DOM HIS JAM PUE STL STV TRT 82 VEN 83 PER 84 BRA 85 cle

Remarks: capillus-veneris agg.

Synonyms: hidden

= Adiantum affine Willd.; Sp. Pl., ed. 4 [Willdenow], 5(1): 448 (1810)

= Adiantum africanum R.Br.; Tuckey, Narrat. of an Exped. to Zaire (App. V.) 463 nota (1818)

= Adiantum australe Riddell; New Orleans Med. Surg. J. 9: 616 (1853)

= Adiantum capillaceum Dulac; Fl. Hautes-Pyrenées 36 (1867)

= Adiantum capillus Sw.; J. Bot. (Schrader) 1800(2): 83 (1801), nom. superfl.

= Adiantum capillus-veneris f. cristatum Moxley; Amer. Fern J. 9: 27 (1919)

= Adiantum capillus-veneris f. fissum (Christ) Ching; Acta Phytotax. Sin. 6: 343 (1957)

= Adiantum capillus-veneris f. rimicola (Sloss.) Fernald; Rhodora 52: 208 (1950)

= Adiantum capillus-veneris subsp. trifidum (Willd. ex Bolle) Rivas Mart., Lousã, J.C.Costa & Maria C.Duarte; Int. J. Geobot. Res. 7: 21 (2017)

= Adiantum capillus-veneris var. daphnites W.Bull; Nursery Cat. (William Bull) 68: 12 (1872)

= Adiantum capillus-veneris var. dissectum (B.K.Nayar) Ching; Acta Phytotax. Sin. 6: 344 (1957), non (M. Martens & Galeotti) T. Moore

= Adiantum capillus-veneris var. dissectum B.K.Nayar; Bull. Nation. Bot. Gard. (Lucknow) 52(1): 37 (1962) (fide Fraser-Jenkins 1997)

= Adiantum capillus-veneris var. fissum Christ; Monsunia 1: 66 (1900)

= Adiantum capillus-veneris var. grande Pynaert; Nursery Cat. (Éd. Pynaert - Van Geert) 1890(Suppl.): 4 (1890)

= Adiantum capillus-veneris var. imbricatum Pynaert; Nursery Cat. (Éd. Pynaert - Van Geert) 1893-1894: 4 (1893)

= Adiantum capillus-veneris var. kenyense Chiov.; Lav. Ist. Bot. Univ. Modena 6,I/XI: 146 (1935)

= Adiantum capillus-veneris var. laciniatum Christ ex Tardieu & C.Chr.; Fl. Indo-Chine [P. H. Lecomte et al.] 7(2): 185 (1939)

= Adiantum capillus-veneris var. magnificum W.Bull; Nursery Cat. (William Bull) 60: 118 (1871)

= Adiantum capillus-veneris var. modestum (Underw.) Fernald; Rhodora 52: 206 (1950)

= Adiantum capillus-veneris var. pinnata Bonap.; Notes Ptéridol. 4: 78 (1917)

= Adiantum capillus-veneris var. polyhymnia Lowe; Gard. Chron., ser. 2, 4: 81 (1875)

= Adiantum capillus-veneris var. protrusum Fernald; Rhodora 52: 203 (1950)

= Adiantum capillus-veneris var. trifidum (Willd. ex Bolle) Christ; Bull. Acad. Int. Géogr. Bot. 11 (153-154): 224 (1902), isonym

= Adiantum capillus-veneris var. trifidum (Willd. ex Bolle) Milde; Fil. Eur. 30 (1867)

= Adiantum coriandrifolium Bernh.; (1799): 315, nom. illeg.

= Adiantum coriandrifolium Lam.; Fl. Franç. [Lamarck] 1: 29 (1779), nom. superfl.

= Adiantum cuneifolium Stokes; Bot. Mat. Med. 4: 612 (1812)

= Adiantum emarginatum Bory ex Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 449 (1810)

= Adiantum fontanum Salisb.; Prodr. Stirp. Chap. Allerton 404 (1796) (nom. illeg. superfl.)

= Adiantum formosum (J.Rémy) Gay; Fl. Chil. [Gay] 6: 487 (1853), non R. Br., nec A. Cunn.

= Adiantum fumarioides Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 452 (1810)

= Adiantum lingii Ching; Acta Phytotax. Sin. 6: 341. (1957)

= Adiantum maderense Lowe

= Adiantum marginatum Schrad.; Gött. Gel. Anz. 1818: 918 (1818)

= Adiantum michelii Christ; Bull. Acad. Int. Géogr., sér. 3, 20: 14 (1910)

= Adiantum modestum Underw.; Bull. Torrey Bot. Club 28: 46 (1901)

= Adiantum moritzianum Link; Fil. Spec. 71 (1841)

= Adiantum paradiseae Baker; Gard. Chron., ser. 3, 6: 558 (1889)

= Adiantum pseudocapillus Fée; Mém. Foug. 5 (Gen. Filic.): 118 (1852)

= Adiantum remyanum Espinosa; Bol. Mus. Nac. Hist. Nat., Santiago de Chile 15: 96 (1936)

= Adiantum repandum Tausch; Exsicc. (Fl. Mixta) n. 176 (1827)

= Adiantum rimicola Sloss.; Bull. Torrey Bot. Club 41: 308 t. 7 f. 1 (1914)

= Adiantum schaffneri E.Fourn.; Bull. Soc. Bot. France 27: 328 (1880)

= Adiantum trifidum Willd. ex Bolle; Bonplandia (Hannover) 3: 121 (1855)

= Adiantum trilobum L.; Sp. Pl. 2: 1095 (1753) (fide Cremers et al. 2022)

= Adiantum visianii Schloss. & Vuk.; Fl. Croat. 1319 (1869)

= Davallia triloba (L.) Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 468 (1810)

= Odontosoria triloba (L.) Fée; Mém. Foug. 11 (Hist. Foug. Antil.): 92 (1866)

form :

f. lanyuanum W.C.Shieh

Distribution: Taiwan (Lan Yu Isl.)

38 TAI

species :

Adiantum caribense A.Rojas; Mét. Ecol. Sist. 2(2): 5 (2007)

Distribution: Costa Rica

80 COS

species :

Adiantum caryotideum Christ; Bull. Soc. bot. Genève, sér. 2, 1: 230, fig. (1909)

Distribution: Mexico (Chiapas); Guatemala; Costa Rica; Panama

79 MEX 80 COS GUA PAN

Remarks: tetraphyllum agg.

species :

Adiantum caudatum L.; Mant. Pl. 2: 308 (1771)

Name: Trailing maidenhair, Tailed maidenhair

Distribution: China (Fujian, Guangdong, Guangxi, Guizhou, Hainan, Macao, Yunnan); Taiwan; Nepal; Bhutan; India (Andhra Pradesh, Arunachal Pradesh, Assam State, Karnataka, Kerala, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Sikkim, Tamil Nadu, Tripura, West Bengal); Sri Lanka; Bangladesh; Thailand (widespread); Laos; Cambodia; Vietnam; peninsular Malaysia (Tasek Chenderoh, Perak); Borneo (Sabah); Sulawesi; Palawan; Philippines; Lesser Sunda Isl. (Bali, Lombok, Sumba, Sumbawa, Flores, Wetar, Timor); New Guinea (Irian Jaya, Papua New Guinea); New Caledonia; Vanuatu; USA [I] (Florida [I]); Jamaica [I]; Brazil [I] (Espírito Santo [I])

36 CHI 38 TAI 40 BAN BHU IND NEP SRL 41 CBD LAO THA VIE 42 BOR LSI MLY NWG PHI PLW SUL 60 NWC VAN 78 usa 81 jam 84 bra

Remarks: philippense agg.

Synonyms: hidden

= Adiantum assamicum (B.K.Nayar) B.K.Nayar; Bull. Nation. Bot. Gard. (Lucknow) 541 (1964) (fide Fraser-Jenkins 2008)

= Adiantum borneense Gand.; Bull. Soc. Bot. France 66: 305 (1919)

= Adiantum caudatum var. angustilobatum Bonap.; Notes Ptéridol. 7: 174 (1918)

= Adiantum caudatum var. assamicum B.K.Nayar; Bull. Nation. Bot. Gard. (Lucknow) 52(1): 10 (1962) (fide Fraser-Jenkins 2008)

= Adiantum flagelliferum Wall.; Numer. List. [Wallich] no. 76 (1829), nomen

= Adiantum lomesam B.K.Nayar & Geev.; Fern Fl. Malabar: 140 (1993) (fide Fraser-Jenkins 1997)

= Adiantum lyratum Blanco; Fl. Filip. [F. M. Blanco] 832 (1837)

= Adiantum wangii C.M.Kuo; nom. nud.

species :

Adiantum celebicum Christ; Verh. Naturf. Ges. Basel 11: 428 (1896)

Distribution: Sulawesi

42 SUL

species :

Adiantum chienii Ching; Sinensia 1: 50 (1930)

Distribution: China (Guangdong)

36 CHI

species :

Adiantum chilense Kaulf.; Enum. Filic. [Kaulfuss] 207 (1824)

Name: Doradilla, helecho de palo negro, palit negro, culantrillo [Chile]

Distribution: Venezuela (Aragua, Venezuela Distrito Federal, Merida); Brazil (Bahia, Goiás, Minas Gerais, Paraná, Rio Grande do Sul, Santa Catarina); Argentina (Buenos Aires, Catamarca, Chubut, Cordoba, La Pampa, La Rioja, Mendoza, Neuquen, Rio Negro, Santa Cruz, San Juan, San Luis, Tierra del Fuego); Chile (Tarapacá, Atacama, Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Ñuble, Biobío, Araucanía, Los Rios, Los Lagos, Aisén, Magallanes); Juan Fdz. Isl.; Falkland Isl.

82 VEN 84 BRA 85 ARG CLE JNF 91 FAL

Remarks: poiretii agg.; this taxon contains "A. poiretii" from the neotropics

Synonyms: hidden

= Adiantum aethiopicum var. glabrum (Brack.) Kuntze; Revis. Gen. Pl. 3(3): 376 (1898)

= Adiantum aethiopicum var. pohlii Baker; Fl. Bras. [Martius] 1(2): 368 (1870)

= Adiantum chilense f. glabrum Hieron.; Bot. Jahrb. Syst. 22: 396 (1896), nom. illeg.

= Adiantum chilense var. glabrum Brack.; U.S. Expl. Exped., Filic. 16: 97 (1854), nom. illeg.

= Adiantum chilense var. glabrum Hook. & Grev.; Icon. Filic. 2: t. 173 (1830)

= Adiantum crenatum f. glabrum (Hieron.) Hieron.; Bot. Jahrb. Syst. 34(4): 494 (1905)

= Adiantum mochaenum G.Kunkel; Nova Hedwigia 13: 329, t. 81 (1967)

= Adiantum poiretii f. glabrum (Hieron.) Hicken & Capurro; Anais Reunião Sul-Amer. Bot. 2: 151 (1940)

= Adiantum rotundatum Desv.; Mem. Soc. Linn. Paris 6(2): 310 (1827)

variant :

var. hirsutum Hook. & Grev.; Icon. Filic. 2: t. 173 (1830)

Distribution: S-Peru; Bolivia (Chuquisaca, Cochabamba, La Paz, Santa Cruz, Tarija); Argentina (Catamarca, Cordoba, Jujuy, La Rioja, Salta, San Juan, Tucuman); Chile (Antofagasta, Atacama, Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Ñuble, Biobío)

83 BOL PER 85 ARG CLE

Remarks: Often included in A. thalictroides as variety

Synonyms: hidden

= Adiantum chilense var. glanduliferum (Link) Kunze; Linnaea 23: 215 (1850)

= Adiantum glanduliferum Link; Hort. Berol. [Link] 2: 18 (1833)

= Adiantum pilosum Fée; Mém. Foug. 5 (Gen. Filic.): 118 (1852)

= Adiantum poiretii f. hirsutum (Hook. & Grev.) Hicken; Revista Mus. La Plata 15: 261 (1908)

= Adiantum poiretii var. hirsutum (Hook. & Grev.) R.M.Tryon; Amer. Fern J. 47: 141 (1957)

= Adiantum pubescens C.Presl; Reliq. Haenk. 1: 63 (1825), nom. illeg.

= Adiantum pubescens var. glanduliferum C.Presl; Comun. Mus. Concepcion 1: 110, 111 (1936)

= Adiantum pubescens var. majus C.Presl; Reliq. Haenk. 1: 63 (1825)

= Adiantum pubescens var. minus C.Presl; Reliq. Haenk. 1: 63 (1825)

= Adiantum pubescens var. tripinnatum C.Presl; Reliq. Haenk. 1: 63 (1825)

= Adiantum thalictroides var. hirsutum (Hook. & Grev.) de la Sota; Darwiniana 17: 72 (1972)

variant :

var. scabrum (Kaulf.) Hicken; Revista Mus. La Plata 15: 261 (1908)

Distribution: Argentina (Neuquen); Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Ñuble, Biobío, Araucanía, Los Rios)

85 ARG CLE

Synonyms: hidden

= Adiantum aethiopicum var. scabrum (Kaulf.) Kuntze; Revis. Gen. Pl. 3(3): 376 (1898)

= Adiantum philippianum Espinosa; Bol. Mus. Nac. Hist. Nat., Santiago de Chile 15: 91 (1936)

= Adiantum scabrum Kaulf.; Enum. Filic. [Kaulfuss] 207 (1824)

= Adiantum scabrum var. philippianum (Espinosa) Looser

species :

Adiantum ciliatum Blume; Enum. Pl. Javae 2: 215 (1828)

Distribution: China (Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Macao, Sichuan, Yunnan); Taiwan; Myanmar; Thailand; Laos; Vietnam; peninsular Malaysia (north of Malaya); Sumatra; Borneo (Sarawak, Sabah); Sulawesi; Palawan; Philippines; Moluccas (Seram); ?Vanuatu

36 CHI 38 TAI 41 LAO MYA THA VIE 42 BOR MLY MOL PHI PLW SUL SUM

Synonyms: hidden

= Adiantum malesianum Ghatak; Bull. Bot. Surv. India 5: 73, f. 1, 4, 6, 7 (1963)

= Adiantum caudatum var. latilobatum Bonap.; Notes Ptéridol. 7: 174 (1918)

species :

Adiantum cinnamomeum Lellinger & J.Prado; Amer. Fern J. 91(1): 4 (2001)

Distribution: Brazil (Amazonas, Brasilia Distrito Federal, Pará, Rondônia)

84 BRA

species :

Adiantum comoroense (Tardieu) Verdc.; Kew Bull. 46(2): 272 (1991)

Distribution: Ivory Coast; Ghana; Togo; Cameroon; Uganda; Kenya; Tanzania; Malawi; Comores (Anjouan, Mayotte); Rodrigues

22 GHA IVO TOG 23 CMN 25 KEN TAN UGA 26 MLW 29 COM ROD

Synonyms: hidden

= Adiantum rhizophorum var. comoroense Tardieu; Fl. Madagasc. 5(1): 129 (1958)

species :

Adiantum concinnum Humb. & Bonpl. ex Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 451 (1810)

Name: Common Maidenhair Fern, Brittle maidenhair

Distribution: Tanzania [I]; India [I]; Sri Lanka [I]; Bangladesh [I]; Lesser Sunda Isl. [I] (Bali [I]); Mexico (Aguascalientes, Baja California Sur, Chiapas, Chihuahua, Colima, Ciudad de Mexico, Durango, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacan, Morelos, Nayarit, Oaxaca, Puebla, Queretaro, San Luis Potosi, Sinaloa, Sonora, Tamaulipas, Veracruz, Zacatecas); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Guadeloupe; Martinique; St. Vincent; Grenada; Trinidad [I]; Colombia (Boyacá, Caldas, Cauca, Cundinamarca, Huila, La Guajira, Magdalena, Meta, Nariño, Norte de Santander, Valle); Venezuela (Amazonas, Anzoategui, Aragua, Barinas, Venezuela Distrito Federal, Lara, Merida, Miranda, Monagas, Portuguesa, Yaracuy, Zulia); Ecuador; ?Galapagos

25 tan 40 ban ind srl 42 lsi 79 MEX 80 BLZ COS ELS GUA HON NIC PAN 81 CUB GDL GRE HIS JAM MAR PUE STV trt 82 CLM VEN 83 ECU

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group. Not in Brazil

Synonyms: hidden

= Adiantum affine M.Martens & Galeotti; Nouv. Mém. Acad. Roy. Sci. Bruxelles 16: 70 (1842)

= Adiantum concinnum var. flemingii Fleming; Garden (London, 1871-1927) 8: 77 (1875)

= Adiantum concinnum var. latum Jacob-Makoy; Nursery Cat. (L. Jacob-Makoy & Co.) 114: 1 (1870)

= Adiantum concinnum var. laxum T.Moore; Index Fil. [T. Moore] 23 (1857), nom. nud.

= Adiantum concinnum var. pendens Lowe; Gard. Chron., ser. 2, 4: 81 (1875)

= Adiantum concinnum var. subscandens Baker; Syn. Fil. [W. J. Hooker & Baker], ed. 1: 123 (1867)

= Adiantum lutescens Moug. ex Fée; Mém. Foug. 5 (Gen. Filic.): 119 (1852)

= Adiantum ramyam B.K.Nayar & Geev.; Bull. Bot. Surv. India 28(1-4): 133 (1986 publ. 1988) (fide Fraser-Jenkins 1997)

= Adiantum tenerum Schkuhr; Deutschl. Krypt. Gew. 1: 112, t. 121 (1809) (non Sw. (1788))

species :

Adiantum confine Fée; Mém. Soc. Sci. Nat. Strasbourg 6(1): 14, t. 32, fig. 1 (1866)

Distribution: La Réunion

29 REU

Remarks: previously treated under the name A. flabellum C. Chr.

species :

Adiantum cordatum Maxon; Amer. Fern J. 121: 136 (1931)

Distribution: Panama; Colombia (Chocó); French Guiana?

80 PAN 82 CLM

Remarks: phyllitidis agg.

species :

Adiantum coreanum Tagawa; Acta Phytotax. Geobot. 1: 159 (1932)

Distribution: North Korea (Hapsu)

38 NKO

Remarks: status still somewhat doubtful but a valid species fide Flora of Korea (2015)

species :

Adiantum cremersii Boudrie & J.Prado; Amer. Fern J. 107(2): 85 (2017)

Distribution: Guyana

82 GUY

species :

Adiantum crespianum Bosco; Nuovo Giorn. Bot. Ital., ser. 2, 45: 148, t. 10(2) (1938)

Distribution: Ecuador

83 ECU

Synonyms: hidden

= Polypodium crespianum Bosco; Nuovo Giorn. Bot. Ital., n. s. 45: 150 (1938), nom. altern.

species :

Adiantum cunninghamii Hook.; Sp. 2: 52, t. 86 (1810)

Distribution: New Zealand (Three Kings Isl., North Isl., South Isl., Stewart Isl.); Kermadec Isl.; Chatham Isl.

51 CTM KER NZL

Synonyms: hidden

= Adiantum affine T.Moore; Index Fil. [T. Moore] 19 (1857) (non Willd. (1810))

= Adiantum affine var. chathamicum Field; Ferns New Zealand 81 (1890)

= Adiantum affine var. cunninghamii (Hook.) C.Moore; Handb. Fl. N.S.W.: 508 (1893)

= Adiantum affine var. pullum (Colenso) Domin; Biblioth. Bot. (1915)

= Adiantum formosum A.Cunn.; Compan. Bot. Mag. 2: 366 (1837)

= Adiantum formosum var. cunninghamii (Hook.) F.Muell.; Veg. Chatham Isl. 72 (1864)

= Adiantum heterophyllum Colenso; Trans. & Proc. New Zealand Inst. 20: 218 (1888)

= Adiantum pullum Colenso; Trans. & Proc. New Zealand Inst. 26: 319 (1893)

= Adiantum trapeziforme G.Forst.; Fl. Ins. Austr.: 84 (1786) (non L. 1753)

species :

Adiantum cupreum Copel.; Leafl. Philipp. Bot. 4: 1152 (1911)

Distribution: Philippines (Sibuyan)

42 PHI

species :

Adiantum curvatum Kaulf.; Enum. Filic. 202 (1804)

Distribution: Brazil (Bahia, Espírito Santo, Minas Gerais, Paraná, Rio de Janeiro, Santa Catarina, São Paulo)

84 BRA

Synonyms: hidden

= Adiantum curvatum var. acuminatum Rosend.; Ark. Bot. 14, no. 18: 2, pl. 1, fig. 5 (1916)

species :

Adiantum davidii Franch.; Nouv. Arch. Mus. Hist. Nat., sér. 2, 10: 112 (1887)

Distribution: China (Gansu, Guizhou, Hebei, Henan, Shaanxi, Shanxi, Sichuan, Yunnan)

36 CHI

Synonyms: hidden

= Adiantum aristatum Christ; Bot. Gaz. 61: 356 (1911)

= Adiantum davidii var. aristatum (Christ) C.Chr.; Acta Horti Gothob. 1: 94 (1924)

= Adiantum davidii var. latedeltoideum (Christ) Ching; Acta Phytotax. Sin. 6: 333 (1957)

= Adiantum davidii var. longispinum Ching; Acta Phytotax. Sin. 6: 333 (1957)

= Adiantum davidii var. prattii (Baker) C.Chr.; Acta Horti Gothob. 1: 94 (1924)

= Adiantum latedeltoideum (Christ) C.Chr.; Acta Horti Gothob. 1: 94 (1924)

= Adiantum monochlamys var. latedeltoideum Christ; Nuovo Giorn. Bot. Ital., n. s. 4: 88 (1897)

= Adiantum prattii Baker; J. Linn. Soc., Bot. 29: 321 (1892)

species :

Adiantum dawsonii Lellinger & J.Prado; Amer. Fern J. 91(1): 6-8 (2001)

Distribution: Bolivia (Santa Cruz); Brazil (Brasilia Distrito Federal, Goiás, Mato Grosso)

83 BOL 84 BRA

species :

Adiantum decipiens Desv.; Index Filic. 307 (1827)

Distribution: peninsular Malaysia; Lesser Sunda Isl. (Timor)

42 LSI MLY

Synonyms: hidden

= Adiantum rotundatum Kunze; Linnaea 10: 528 (1836)

species :

Adiantum decoratum Maxon & Weath.; Amer. J. Bot. 19: 165 (1932)

Distribution: Mexico (Chiapas, Quintana Roo, Tabasco, Veracruz); Guatemala; Belize; Honduras; Nicaragua; Costa Rica; Panama; Colombia (Antioquia, Bolívar, Chocó); Ecuador; Brazil (Acre)

79 MEX 80 BLZ COS GUA HON NIC PAN 82 CLM 83 ECU 84 BRA

Remarks: tetraphyllum agg.

species :

Adiantum deflectens Mart.; Icon. Pl. Crypt. 94 (1834)

Distribution: Mexico (Chiapas, Oaxaca); Guatemala; El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Colombia (La Guajira, Valle); Venezuela (Aragua, Bolívar, Guarico, Portuguesa, Zulia); French Guiana; Ecuador; Peru; Bolivia (Santa Cruz); Brazil (Alagoas, Bahia, Ceará, Brasilia Distrito Federal, Espírito Santo, Goiás, Maranhão, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Pará, Paraíba, Pernambuco, Piauí, Rio de Janeiro, Rondônia, São Paulo, Tocantins); Paraguay (Cordillera, Paraguari); Argentina (Salta)

79 MEX 80 COS ELS GUA HON NIC PAN 82 CLM FRG VEN 83 BOL ECU PER 84 BRA 85 ARG PAR

Remarks: philippense agg.

Synonyms: hidden

= Adiantum deflectens var. subaristatum (Fée) Luetzelb.; Estud. Bot. Nordéste 3: 250 (1923)

= Adiantum deflectens var. tremulum Hieron.; Bot. Jahrb. Syst. 34: 487 (1904)

= Adiantum discretodenticulatum V.Marcano; Acta Bot. Venez. 15(3-4): 120 (1988-89 publ. 1990)

= Adiantum dissimile Schrad.; Gött. Gel. Anz. 872 (1824)

= Adiantum dolabriforme Hook.; Hooker´s Icon. Pl. 2: t. 191 (1837)

= Adiantum flagellum var. schizaeoides H.Rosend.; Ark. Bot. 14(18): 2 (1916)

= Adiantum lunatum Keyserl.; Mém. Acad. Imp. Sci. St. Pétersb. VII, 22(2): 25 (1875) (p. p.)

= Adiantum persimile C.Presl ex Ettingsh.; Farnkr. Jetztw. [Ettingshausen]: 85 (1865 publ. 1864)

= Adiantum ripidium Kunze; Bot. Jahrb. Syst. 34(4): 487 (1904)

= Adiantum subaristatum Fée; Crypt. Vasc. Brésil 1: 33, t. 8, f. 2 (1869)

= Adiantum tremulum Kunze ex Baker; Syn. Fil. [W. J. Hooker & Baker] 114 (1867)

= Adiantum tremulum var. deflectens (Mart.) Hassl.; Trab. Inst. Bot. Farmacol. 45: 60 (1928)

species :

Adiantum delicatulum Mart.; Icon. Pl. Crypt. 93, t. 56, f. 2 (1834)

Distribution: Bolivia (Santa Cruz); Brazil (Amazonas, Bahia, Goiás, Mato Grosso do Sul, Mato Grosso, Piauí, São Paulo); Paraguay (Alto Paraguay, Amambay, Central, Paraguari)

83 BOL 84 BRA 85 PAR

Synonyms: hidden

= Adiantum delicatulum f. tremulum Hassl.; Trab. Inst. Bot. Farmacol. 45: 60 (1928)

= Adiantum lunulatum var. delicatulum (Mart.) Baker; Fl. Bras. [Martius] 1(2): 362 (1870)

species :

Adiantum deltoideum Sw.; Prodr. Veg. Ind. Occ. 134 (1788)

Distribution: Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic)

81 CUB HIS JAM

Remarks: capillus-veneris agg.

Synonyms: hidden

= Adiantum deltoideum var. jamaicense (Fée) Jenman; (1899)

= Adiantum jamaicense Fée; Mém. Foug. 11 (Hist. Foug. Antil.): 19, t. 33, f. 3 (1866)

= Allosorus domingensis C.Presl; Tent. Pterid. 153 (1836)

species :

Adiantum dentatum A.H.Wang, F.G.Wang & F.W.Xing; PLoS ONE 12(4): e0172729 (11) (2017)

Distribution: China (Guangxi)

36 CHI

species :

Adiantum diaphanum Blume; Enum. Pl. Javae 2: 215 (1828)

Name: Filmy maidenhair, Small maidenhair

Distribution: China (Fujian, Guangdong, Hainan, Jiangxi, Zhejiang); Japan; Ryukyu Isl.; Bonin Isl. (Hahajima); Volcano Isl. (Iwojima, Minami-Iwojima); Taiwan; Laos; Vietnam; Sumatra; Borneo (Mt. Kinabalu, Sabah); Sulawesi; Philippines; Lesser Sunda Isl. (Bali, Lombok, Flores, Timor); Moluccas (Seram); New Guinea (Irian Jaya, Papua New Guinea); Solomon Isl. (Kolombangara); Australia (Australian Capital Territory, Queensland, Victoria, New South Wales); Norfolk Isl.; New Zealand (North Isl., South Isl.); Kermadec Isl.; Chatham Isl.; New Caledonia; Vanuatu; Tonga (´Eua); Fiji (Viti Levu, Taveuni); [Western] Samoa (Savai´i, ´Upolu)

36 CHI 38 JAP KZN NNS OGA TAI 41 LAO VIE 42 BOR LSI MOL NWG PHI SUL SUM 43 SOL 50 AUS NFK 51 CTM KER NZL 60 FIJ NWC SAM TON VAN

Remarks: patens agg.

Synonyms: hidden

= Adiantum affine Hook.; Sp. Fil. [W. J. Hooker] 2: 32 (1851), nom. illeg., non Willd. 1810

= Adiantum diaphanum var. affine (Willd.) Alderw.; Malayan Ferns 323 (1909)

= Adiantum diaphanum var. polymorphum (Colenso) Cheeseman; (1906)

= Adiantum erectum Kunze; Bot. Zeitung (Berlin) 211 (1848)

= Adiantum filicaule Kunze; Bot. Zeitung (Berlin) 210 (1848)

= Adiantum heteromorphum Colenso ex Field; Ferns New Zealand 80 (1890)

= Adiantum hispidulum var. fitzalanii F.M.Bailey; Compr. Cat. Queensland Pl. 641 (1913)

= Adiantum muelleri F.Muell.; Fragm. (Mueller) 7: 121 (1870)

= Adiantum polymorphum Colenso; Trans. & Proc. New Zealand Inst. 20: 215 (1888), nom. illeg.

= Adiantum setulosum J.Sm.; Compan. Bot. Mag. 22 (1846)

= Adiantum tenue var. commutatum Domin; Biblioth. Bot. 20: 153 (1915)

= Adiantum tuberosum Colenso; Trans. & Proc. New Zealand Inst. 20: 217 (1888)

species :

Adiantum digitatum C.Presl; Tent. Pterid. 159 (1836), nomen, ex Hook., Sp. Fil. [W. J. Hooker] 2: 38 (1851)

Distribution: Ecuador; Peru; Bolivia (Chuquisaca, Cochabamba, La Paz, Tarija); Brazil (Paraná, Rio Grande do Sul, Santa Catarina); Uruguay (Artigas, Lavalleja, Maldonado, Rio Negro, Rivera, Salto, Tacuarembo); Argentina (Jujuy, Salta, Tucuman)

83 BOL ECU PER 84 BRA 85 ARG URU

Remarks: capillus-veneris agg.

Synonyms: hidden

= Adiantum palmatum T.Moore; Gard. Chron., ser. 2, 7: 40, f. 5 (1877)

= Adiantum speciosum Hook.; Sp. Fil. [W. J. Hooker] 2: 45, t. 86 C (1851)

species :

Adiantum diogoanum Glaz. ex Baker; J. Bot. 20: 310 (1882)

Distribution: Colombia (Antioquia, Risaralda); Bolivia (Beni, La Paz, Santa Cruz); Brazil (Acre, Alagoas, Bahia, Ceará, Brasilia Distrito Federal, Goiás, Minas Gerais, Mato Grosso, Pará, Pernambuco, Rio de Janeiro, São Paulo)

82 CLM 83 BOL 84 BRA

species :

Adiantum diphyllum (Fée) Maxon; Amer. Fern J. 21: 137 (1931)

Distribution: Brazil (Bahia)

84 BRA

Synonyms: hidden

= Hewardia diphylla Fée; Crypt. Vasc. Brésil 1: 39, t. 9, f. 3 (1869)

species :

Adiantum discolor J.Prado; Brittonia 52(2): 210 (2000)

Distribution: Brazil (Bahia)

84 BRA

species :

Adiantum dissimulatum Jenman; Gard. Chron., ser. 3, 16: 656 (1894)

Distribution: Jamaica

81 JAM

species :

Adiantum dolosum Kunze; Linnaea 21: 219 (1848)

Distribution: Venezuela (Amazonas, Bolívar, Delta Amacuro); Guyana; Surinam; French Guiana; Ecuador; Bolivia (Pando); Brazil (Acre, Alagoas, Amazonas, Bahia, Ceará, Espírito Santo, Maranhão, Minas Gerais, Mato Grosso, Pará, Paraíba, Pernambuco, Rio de Janeiro, Rondônia, São Paulo)

82 FRG GUY SUR VEN 83 BOL ECU 84 BRA

Remarks: phyllitidis agg.

Synonyms: hidden

= Adiantum macropterum Miq.; Kuhn, Linnaea 86: 72 (1869)

= Hewardia dolosa (Kunze) Fée; Mém. Foug. 5 (Gen. Filic.): 122 (1852)

= Hewardia serrata Fée; Mém. Foug. 5 (Gen. Filic.): 122 (1852)

= Lindsaea macrophylla Kunze; Analecta Pteridogr. 37 (non, t. 25) (1837) (non Kaulf. (1824))

species :

Adiantum edgeworthii Hook.; Sp. Fil. [W. J. Hooker] 2: 14, t. 81B (1851)

Distribution: China (Gansu, Guizhou, Hebei, Henan, Liaoning, Shandong, Sichuan, Yunnan); Tibet; Japan (Kyushu); Taiwan; Nepal; Bhutan; India (Jammu & Kashmir, Arunachal Pradesh, Himachal Pradesh, Manipur, Meghalaya, Sikkim, Uttarakhand, West Bengal); N-Myanmar; N-Thailand; Vietnam; peninsular Malaysia; Philippines; Lesser Sunda Isl. (Timor)

36 CHI TIB 38 JAP TAI 40 BHU IND NEP 41 MYA THA VIE 42 LSI MLY PHI

Synonyms: hidden

= Adiantum caudatum var. edgeworthii (Hook.) Bedd.; Ferns Brit. India 84 (1883)

= Adiantum edgeworthii var. spencerianum (Copel.) Tagawa; J. Jap. Bot. 14(5): 311 (1938)

= Adiantum guilelmi Hance; J. Bot. 7: 261 (1869)

= Adiantum spencerianum Copel.; Philipp. J. Sci. 1, Suppl. II: 154, t. 11 (1906)

species :

Adiantum elegantulum Maxon; Contr. Gray Herb. 165: 70, t. 5 (1947)

Distribution: Colombia (Meta); Ecuador

82 CLM 83 ECU

species :

Adiantum erylliae Tardieu & C.Chr.; Notul. Syst. (Paris) 6: 172, t. 1(1-2) (1938)

Distribution: Thailand (N-Thailand, SW-Thailand, peninsular Thailand); Laos; ?Cambodia; Vietnam

41 LAO THA VIE

species :

Adiantum erythrochlamys Diels; Bot. Jahrb. Syst. 29: 201 (1900)

Distribution: China (Guizhou, Hubei, Sichuan, Henan); Tibet

36 CHI TIB

Remarks: not in Taiwan

Synonyms: hidden

= Adiantum roborowskii var. robustum Christ; Bull. Acad. Int. Géogr., sér. 3, 16: 16(199-200-201): 137 (1906)

= Adiantum erythrochlamys var. hunanense C.M.Zhang; Keys Vasc. Pl. Wuling Mts. 563 (1995)

species :

Adiantum excisum Kunze; Linnaea 9: 82 (1834)

Distribution: Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Ñuble, Biobío, Araucanía, Los Lagos)

85 CLE

species :

Adiantum feei T.Moore; Mém. Foug. 7 (Icon. Esp. Nouv.): 29, t. 24, f. 1 (1857)

Distribution: Mexico (Chiapas, Guerrero, Oaxaca, Queretaro, Tamaulipas, Veracruz); Guatemala; Honduras; Nicaragua; Costa Rica; Panama

79 MEX 80 COS GUA HON NIC PAN

Remarks: capillus-veneris agg.

Synonyms: hidden

= Adiantum flexuosum Hook.; Sec. Cent. Ferns t. 61 (1861)

species :

Adiantum fengianum Ching; Bull. Fan Mem. Inst. Biol. Bot., ser. 2, 1: 267 (1949)

Distribution: China (Yunnan)

36 CHI

Conservation Status: endangered

species :

Adiantum filiforme Gardner; Hooker´s Icon. Pl. t. 503 (1843)

Distribution: Paraguay (Amambay, Guaira, Paraguari, Pres. Hayes); Argentina (Misiones)

85 ARG PAR

Synonyms: hidden

= Adiantum deflectens var. flagellum (Fée) Luetzelb.; Estud. Bot. Nordéste 3: 250 (1923)

= Adiantum flabellum Fée ex Christ; Farnkr. Erde 134 (1897), errore

= Adiantum flagellum Fée; Mém. Foug. 5 (Gen. Filic.): 117 (1852)

= Adiantum glareosum Lindm.; Ark. Bot. 1: 202, t. 9, f. 5 (1903)

= Adiantum glareosum var. monosorum Brade; Rodriguésia 4: 294 (1940)

= Adiantum lunulatum var. flagellum (Fée) Christ; Schwacke, Pl. Nov. Mineir. 2: 23 (1900)

species :

Adiantum flabellulatum L.; Sp. Pl. 2: 1095 (1753)

Distribution: China (Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Macao, Sichuan, Yunnan, Zhejiang); Japan (incl. Yakushima Isl.); Ryukyu Isl.; Taiwan; India (Assam State, Manipur, Meghalaya, Mizoram, Nagaland, Tripura); Sri Lanka; Bangladesh; Myanmar; Thailand (widespread); Laos; Cambodia; Vietnam; peninsular Malaysia (Penang, Perak, Pahang); Singapore; Sumatra; Philippines; Lesser Sunda Isl. (Bali, Sumbawa, Flores)

36 CHI 38 JAP NNS TAI 40 BAN IND SRL 41 CBD LAO MYA THA VIE 42 LSI MLY PHI SNG SUM

Conservation Status: IUCN VU for India (Fraser-Jenkins 2012). Endangered (Singapore)

Synonyms: hidden

= Adiantum amoenum Wall.; Numer. List. [Wallich] no. 78 (1829), nomen

= Adiantum amoenum Wall. ex Hook. & Grev.; Icon. Filic. [W. J. Hooker & Greville] 1: t. 103 (1829)

= Adiantum bonii Christ; J. Bot. (Morot) 8: 150 (1894)

= Adiantum doctersii Alderw.; Bull. Jard. Bot. Buitenzorg, sér. 2, 11: 1, t. 1 (1913)

= Adiantum flabellifolium Lodd.; Nursery Cat. (Loddiges & Sons) 1849: 24 (1849)

= Adiantum fuscum Retz.; Observ. Bot. [Retzius] 2: 28 (1781)

= Lindsaea sectorifolia Goldm.; Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19 (Suppl. 1): 464 (1843) (patria India erronea)

species :

Adiantum flabellum C.Chr.; Dansk Bot. Ark. 7: 123, t. 48 (1932)

Distribution: Madagascar; Comores (Mayotte)

29 COM MDG

Synonyms: hidden

= Adiantum reniforme var. crenatum Baker; J. Bot. 1891: 4 (1891) (non Adiantum crenatum Willd. (1810))

species :

Adiantum formosanum Tagawa; J. Jap. Bot. 14: 315 (1938)

Distribution: Taiwan

38 TAI

Conservation Status: VU in Taiwan

species :

Adiantum formosum R.Br.; Prodr. Fl. Nov. Holland. 155 (1810)

Name: Giant maidenhair, Black-stem maidenhair, Australian maidenhair (EN)

Distribution: Tanzania [I]; Ryukyu Isl. [I]; India [I]; Sri Lanka [I]; Australia (Australian Capital Territory, Queensland, Victoria, New South Wales); New Zealand (North Isl.)

25 tan 38 nns 40 ind srl 50 AUS 51 NZL

Remarks: pectinatum agg.

Synonyms: hidden

= Adiantum formosum var. leptophyllum Domin; Repert. Spec. Nov. Regni Veg. 9: 551 (1911)

species :

Adiantum forzzanum R.Y.Hirai & J.Prado; Amer. Fern J. 114(2): 151 (2024)

Distribution: Brazil (Brasilia Distrito Federal, Goiás)

84 BRA

species :

Adiantum fournieri Copel.; Univ. Calif. Publ. Bot. 11: 367 (1929)

Distribution: New Caledonia

60 NWC

Remarks: patens agg.

Synonyms: hidden

= Adiantum rigidum E.Fourn.; Ann. Sci. Nat., Bot., sér. 5, 18: 329 (1873) (non Link (1841))

= Adiantum hispidulum var. rigidum Bonap.; (1815)

species :

Adiantum fragile Sw.; Prodr. Veg. Ind. Occ. 135 (1788)

Name: Fragile maidenhair

Distribution: Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Virgin Isl. (St. Croix, St. Thomas, St. John, Tortola); Guadeloupe; Dominica; Martinique; St. Lucia

81 CUB DOM GDL HIS JAM MAR PUE STL VIR

Remarks: capillus-veneris agg.

Synonyms: hidden

= Adiantum cuneatiforme C.Chr.; Kongl. Svenska Vetensk. Acad. Handl., ser. 3, 16(2): 63, t. 14(8-10) (1937)

= Adiantum parvifolium Fée; Mém. Foug. 7 (Icon. Esp. Nouv.): 27, t. 23, f. 2 (1857)

variant :

var. rigidulum (Mett.) Proctor; Mem. New York Bot. Gard. 53: 143 (1989)

Distribution: ?Hispaniola; Puerto Rico (incl. Vieques Isl.); Virgin Isl. (St. Croix, St. Thomas Isl., St. John)

81 PUE VIR

Synonyms: hidden

= Adiantum rigidulum Mett.; Kuhn, Linnaea 36: 76 (1869)

species :

Adiantum fructuosum Kunze; Syst. Veg., ed. 16 [Sprengel] 4(1): 113 (1827)

Distribution: Singapore [I]; Guatemala; Belize; Costa Rica; Panama; Cuba; Trinidad; Colombia (Antioquia, Boyacá, Chocó, Magdalena, Santander, Valle); Guyana; Surinam; French Guiana; Ecuador

42 sng 80 BLZ COS GUA PAN 81 CUB TRT 82 CLM FRG GUY SUR 83 ECU

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum fructuosum var. laxius Hook.; Sp. Fil. [W. J. Hooker] 2: 24 (1851)

= Adiantum fructuosum var. strictum Hook.; Sp. Fil. [W. J. Hooker] 2: 24 (1851)

= Adiantum lancea var. fructuosum (Kunze) Baker; Fl. Bras. [Martius] 1(2): 374 (1870)

= Adiantum tetraphyllum var. fructuosum (Kunze) J.Bommer & Christ; Bull. Soc. Roy. Bot. Belgique 35(1): 187 (1896)

= Adiantum tetraphyllum var. majus E.Fourn.; Mexic. Pl. 1: 129 (1872)

species :

Adiantum fuliginosum Fée; Mém. Foug. 5 (Gen. Filic.): 116 (1852)

Distribution: Venezuela (Amazonas, Bolívar); Guyana; Surinam; French Guiana

82 FRG GUY SUR VEN

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum hirtum Splitg.; Tijdschr. Natuurl. Gesch. Physiol. 7: 428 (1840) (non (Sw.) Poir. 1810)

= Adiantum serratodentatum var. fuliginosum (Fée) Baker; Fl. Bras. [Martius] 1(2): 372 (1870)

species :

Adiantum fulvum Raoul; Choix Pl. Nouv.-Zel. 9 (1846)

Distribution: New Zealand (North Isl., South Isl.); Chatham Isl.

51 CTM NZL

Remarks: pectinatum agg.

species :

Adiantum galeottianum Hook.; Sp. Fil. [W. J. Hooker] 2: 10, t. 80B (1851)

Distribution: Mexico (Guerrero, Michoacan, Oaxaca)

79 MEX

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

species :

Adiantum gertrudis Espinosa; Verhand. Deutsch. Wiss. Ver. Santiago Chile, ser. 2, 3: 67, t. 1-4 (1937)

Distribution: Chile (Coquimbo, Valparaíso, Metropolitana de Santiago)

85 CLE

Conservation Status: IUCN E

species :

Adiantum giganteum J.Prado; Fern Gaz. 16(5): 209 (2001 publ. 2002)

Distribution: Brazil (Ceará, Pará)

84 BRA

species :

Adiantum gingkoides C.Chr.; Bull. Mus. Natl. Hist. Nat., sér. 2, 6: 100 (1934)

Distribution: Laos; Vietnam

41 LAO VIE

species :

Adiantum glabrum Copel.; Occas. Pap. Bernice P. Bishop Mus. 14: 67, t. 18 (1938)

Distribution: Austral Isl. (Rapa Iti)

61 AUI

species :

Adiantum glaucescens Klotzsch; Linnaea 18: 562 (1844)

Distribution: Venezuela (Amazonas, Bolívar); Guyana; Surinam; French Guiana; Bolivia (Beni, La Paz); Brazil (Alagoas, Amazonas, Amapá, Bahia, Brasilia Distrito Federal, Maranhão, Minas Gerais, Mato Grosso, Pará, Pernambuco, Rio de Janeiro, Rondônia, Roraima, São Paulo, Tocantins)

82 FRG GUY SUR VEN 83 BOL 84 BRA

Synonyms: hidden

= Adiantum glaucescens var. parcepilosum T.Moore; Index Fil. [T. Moore] 27 (1857)

species :

Adiantum gomphophyllum Baker; Ann. Bot. (Oxford) 8: 124 (1894)

Distribution: peninsular Thailand (Phangnga, Satun)

41 THA

Conservation Status: VU in Thailand

species :

Adiantum gracile Fée; Mém. Foug. 5 (Gen. Filic.): 116 (1852)

Distribution: Brazil (Brasilia Distrito Federal, Goiás, Minas Gerais, Mato Grosso)

84 BRA

Synonyms: hidden

= Adiantum lancea var. gracile (Fée) Baker; Fl. Bras. [Martius] 1(2): 374 (1870)

species :

Adiantum granvilleanum Boudrie & J.Prado; Amer. Fern J. 107(2): 88 (2017)

Distribution: French Guiana

82 FRG

species :

Adiantum gravesii Hance; J. Bot. 13: 197 (1875)

Distribution: China (Guangdong, Guangxi, Guizhou, Hubei, Hunan, Sichuan, Yunnan, Zhejiang); N-Vietnam

36 CHI 41 VIE

Synonyms: hidden

= Adiantum gravesii var. leveillei Ching ex S.K.Wu; Fl. Reipubl. Popularis Sin. [Fl. China Ed. Committee] 3(1): 181 (1990)

= Adiantum greenii Ching; Sinensia 1: 8 (1929)

= Adiantum leveillei Christ; Bull. Acad. Int. Géogr., sér. 3, 16: 245 (1906)

species :

Adiantum grossum Mett.; Ann. Sci. Nat., Bot., sér. 5, 2: 215 (1864)

Distribution: Colombia (Antioquia, Cundinamarca, Santander, Tolima)

82 CLM

Remarks: platyphyllum agg.

species :

Adiantum henslovianum Hook.f.; Trans. Linn. Soc. London 20: 169 (1847)

Distribution: Venezuela (Aragua, Trujillo); Ecuador; Galapagos; Peru

82 VEN 83 ECU GAL PER

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

Synonyms: hidden

= Adiantum henslovianum var. macrosorum Hieron.; Hedwigia 48: 238, pl. 11, fig. 13 (1909)

= Adiantum laetum Mett. ex Kuhn; Linnaea 36: 76 (1869)

= Adiantum sessilifolium Hook.; Sp. Fil. [W. J. Hooker] 2: 44, t. 85 B (1851)

species :

Adiantum hirsutum Bory; Voy. îles Afrique 1: 198 (1804)

Distribution: Madagascar; Mauritius; La Réunion; Iles Glorieuses

29 IGL MAU MDG REU

Synonyms: hidden

= Adiantum radicans Fée; Mém. Foug. 5 (Gen. Filic.): 118, t. 29, f. 2 (1852)

species :

Adiantum hispidulum Sw.; J. Bot. (Schrader) 1800(2): 82 (1801)

Name: Rosy maidenhair, Rough maidenhair

Distribution: Azores [I] (Sao Miguel [I], Pico [I], Faial [I]); Madeira [I] (Madeira Isl. [I]); Canary Isl. [I] (Tenerife [I], Gran Canaria [I]); Ethiopia; Kenya; Tanzania; Malawi; E-Zimbabwe; Mozambique; South Africa (Limpopo, KwaZulu-Natal [I], W-Cape Prov. [I]); Madagascar; Comores (Mayotte); China (E-Guangdong, SE-Yunnan); Taiwan; India (Karnataka, Kerala, Tamil Nadu); Sri Lanka; peninsular Malaysia; +Singapore; Sumatra; Borneo (Sabah); Sulawesi; Philippines; Java; Lesser Sunda Isl. (Bali, Lombok, Sumba, Flores, Timor, Alor); Moluccas; New Guinea (Irian Jaya, Papua New Guinea); Australia (Western Australia, Northern Territory, Queensland, Victoria, New South Wales, Australian Capital Territory, South Australia); Lord Howe Isl.; Norfolk Isl.; New Zealand (North Isl., Three Kings Isl.); Kermadec Isl.; Chatham Isl.; New Caledonia; Vanuatu; Tonga (Late Isl., Tongatapu, Vava´u); Fiji (Viti Levu, Vanua Levu, Ovalau, Kadavu, Waya); Cook Isl. (Rarotonga); Society Isl. (Maupiti, Moorea, Tahiti, Bora Bora, etc.); Gambier Isl. (Mangareva); Austral Isl. (Rapa Iti, Raivavae, Rurutu, Tubuai); Palau (Babeldaob); Hawaii [I] (Kauai [I], Oahu [I], Molokai [I], Lanai [I], Maui [I], Kaho´olawe Isl. [I], Hawaii Isl. [I]); USA [I] (Alabama [I], Connecticut [I], Georgia [I], Louisiana [I])

21 azo cny mdr 24 ETH 25 KEN TAN 26 MLW MOZ ZIM 27 SAF 29 COM MDG 36 CHI 38 TAI 40 IND SRL 42 BOR JAW LSI MLY MOL NWG PHI SNG SUL SUM 50 AUS LHI NFK 51 CTM KER NZL 60 FIJ NWC TON VAN 61 AUI COO GBI SCI 62 PLU 63 haw 75 usa 78 usa

Remarks: pectinatum agg.

Synonyms: hidden

= Adiantum flabellulatum Wall.; Numer. List. [Wallich] no. 2177 (1830), nomen

= Adiantum hispidulum f. strictum Gilbert; Fern Bull. 13: 109 (1905)

= Adiantum hispidulum var. glabratum Domin; Biblioth. Bot. 20: 151 (1913)

= Adiantum hispidulum var. tenellum (T.Moore) T.Moore; Index Fil. [T. Moore] 4: 28 (1857)

= Adiantum lindsaea Cav.; Descr. Pl. (Cavanilles) 271 (1801)

= Adiantum lobatum Ettingsh.; Farnkr. Jetztw. [Ettingshausen]: 82 (1865 publ. 1864), nom. illeg.

= Adiantum lobulatum Kunze; Bot. Zeitung (Berlin) 445 (1846) (nomen)

= Adiantum meyerianum Zoll.; Natuur- Geneesk. Arch. Ned.-Indië 2: 204 (1845)

= Adiantum nervosum Sw.; Syn. Fil. [Swartz] 123 (1806)

= Adiantum pedatum G.Forst.; Fl. Ins. Austr.: 83 (1786) (non L. (1753))

= Adiantum plicatum Kaulf.; Enum. Filic. [Kaulfuss] 201 (1824)

= Adiantum pubescens Schkuhr; Deutschl. Krypt. Gew. 1: 108, t. 116 (1809)

= Adiantum scabrum Wall.; Numer. List. [Wallich] no. 79 (1829), nomen

= Adiantum tenellum T.Moore; Nursery Cat. (Veitch) 1855: ? (1855), nom. illeg.

= Adiantum tenue Domin; Biblioth. Bot. 152, f. 29 b, c (1913)

= Adiantum tenue var. bicolor Domin; Biblioth. Bot. 20: 153 (1913)

= Adiantum tenue var. caudiforme Domin; Biblioth. Bot. 20: 153 (1913)

variant :

var. hypoglaucum Domin; Biblioth. Bot. 20(85): 152 (1913)

Distribution: Australia (Queensland, New South Wales, Victoria)

50 AUS

variant :

var. minus Bostock; Fl. Australia 48: 708 (1998)

Distribution: Australia (E-Queensland, ?NE-New South Wales)

50 AUS

variant :

var. whitei (F.M.Bailey) Bostock; Austrobaileya 2(4): 362 (1987)

Distribution: Australia (E-Queensland)

50 AUS

Synonyms: hidden

= Adiantum whitei F.M.Bailey; Queensland Agric. J. ser. 2, 4: 39, t. 5 (1915)

species :

Adiantum hollandiae Alderw.; Bull. Jard. Bot. Buitenzorg, sér. 2, 7: 1 (1912)

Distribution: Moluccas (Seram); New Guinea (Irian Jaya, Papua New Guinea)

42 MOL NWG

species :

Adiantum hornei Baker; J. Bot. 17: 294 (1879)

Distribution: Fiji (Viti Levu)

60 FIJ

species :

Adiantum hosei Baker; J. Bot. 26: 324 (1888)

Distribution: Borneo (Mt. Kinabalu, Sabah, Sarawak); Sulawesi

42 BOR SUL

species :

Adiantum humile Kunze; Linnaea 9: 80 (1834)

Distribution: Belize; Honduras; Nicaragua; Panama; Tobago; Trinidad; Colombia (Antioquia, Chocó, Guainía, Guaviare); Venezuela (Amazonas, Bolívar); ?Guyana; ?Surinam; ?French Guiana; Ecuador; Peru; Bolivia (Pando); Brazil (Acre, Alagoas, Amazonas, Amapá, Bahia, Goiás, Mato Grosso, Pará, Paraíba, Pernambuco, Paraná, Rio de Janeiro, Rondônia, Roraima, Santa Catarina, São Paulo)

80 BLZ HON NIC PAN 81 TRT 82 CLM VEN 83 BOL ECU PER 84 BRA

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum killipii Maxon & Weath.; Amer. J. Bot. 19: 166 (1932)

species :

Adiantum imbricatum R.M.Tryon; Amer. Fern J. 47: 142, t. 15(B) (1957)

Distribution: Peru (Cuzco)

83 PER

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

Conservation Status: IUCN I

species :

Adiantum incertum Lindm.; Ark. Bot. 1: 204, t. 9, f. 4 (1903)

Distribution: Bolivia (Beni, Cochabamba, Santa Cruz); Brazil (Goiás, Paraná, Santa Catarina, São Paulo); Paraguay

83 BOL 84 BRA 85 PAR

species :

Adiantum incisum Forssk.; Fl. Aegypt.-Arab. 187 (1775)

subspecies :

subsp. incisum

Distribution: Cape Verde Isl. (Santo Antao Isl., Sao Vicente Isl., Ilha de Sao Nicolau, Ilha de Sao Tiago, Fogo Isl., Ilha Brava); Ivory Coast; Ghana; Togo; Benin; Nigeria; Rwanda; Burundi; Sudan; Ethiopia; Somalia; Uganda; Kenya; Tanzania; Zanzibar; Angola; Zambia; Malawi; Zimbabwe; Mozambique; Namibia; Botswana; South Africa (Limpopo, Mpulamanga); Eswatini [Swaziland]; Madagascar; Comores (Grande Comore, Mayotte); Mauritius; La Réunion; Saudi Arabia; Oman; N-Yemen; S-Yemen; China (Yunnan); Pakistan (Sind, etc.); Nepal; Bhutan; India (Jammu & Kashmir, Andhra Pradesh, Arunachal Pradesh, Assam State, Bihar, Chandigarh, Chhattisgarh, Goa, Gujarat, Jharkhand, Haryana, Himachal Pradesh, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Nagaland, Meghalaya, Mizoram, Odisha, Punjab, Rajasthan, Sikkim, Tamil Nadu, Tripura, Uttarakhand, Uttar Pradesh, West Bengal); Bangladesh; Myanmar (Chin, etc.); Galapagos [I]

21 CVI 22 BEN GHA IVO NGA TOG 23 BUR RWA 24 ETH SOM SUD 25 KEN TAN UGA 26 ANG MLW MOZ ZAM ZIM 27 BOT NAM SAF SWZ 29 COM MAU MDG REU 35 OMA SAU YEM 36 CHI 40 BAN BHU IND NEP PAK 41 MYA 83 gal

Synonyms: hidden

= Adiantum capillus-gorgonis Webb; Hook., Niger Fl. 192 (1849)

= Adiantum caudatum Bedd.; Ferns S. India t. 2 (1863)

= Adiantum caudatum var. capillus-gorgonis (Webb) Cout.; Arq. Univ. Lisboa 1: 268 (1914)

= Adiantum caudatum var. glabripinnatum Bonap.; Notes Ptérid. 14: 302, 303 (1923)

= Adiantum caudatum var. hirsutum (Bory) Mett.; Fil. Afr. [Kuhn] 63 (1868)

= Adiantum caudatum var. laciniatum Bonap.; Notes Ptéridol. 4: 78, 79 (1917)

= Adiantum sinicum Ching; Bull. Fan Mem. Inst. Biol. Bot., ser. 2, 1: 267 (1949) [fide Fraser-Jenkins 1997, 2017]

= Adiantum vestitum Wall.; Numer. List. [Wallich] no. 75 (1829), nomen

subspecies :

subsp. indicum (Ghatak) Fraser-Jenk.; New Species Syndr. Indian Pteridol. 33 (1997)

Name: Ghatak´s maidenhair fern

Distribution: India (?Arunachal Pradesh, Assam State, Bihar, Madhya Pradesh, ?Meghalaya, Mizoram, Odisha, ?Sikkim, Tamil Nadu, ?Tripura, ?Uttarakhand, Uttar Pradesh, West Bengal); ?Bangladesh; Sri Lanka; Myanmar

40 IND SRL 41 MYA

Synonyms: hidden

= Adiantum caudatum var. flabellatum B.K.Nayar; Bull. Nation. Bot. Gard. (Lucknow) 52(1): 12, f. 3 c (1961) (nom. nud., non A. flabellulatum L. fide Fraser-Jenkins 2008)

= Adiantum indicum J.Ghatak; Proc. Indian Sci. Congr. Assoc. 3: 370 (1963)

= Adiantum recurvatum (D.Don) Fraser-Jenk.; Taxon. Revis. Indian Subcontinental Pteridophytes 145 (2008)

= Asplenium recurvatum D.Don; Prodr. Fl. Nepal. 7 (1825)

species :

Adiantum induratum Christ; J. Bot. (Morot) 21: 233, 265 (1908)

Distribution: China (Guangdong, Guangxi, Hainan, Yunnan); Vietnam

36 CHI 41 VIE

Remarks: bona sp. fide Flora of China

species :

Adiantum intermedium Sw.; Kongl. Vetensk. Akad. Handl. 76 (1817)

Distribution: Brazil (Brasilia Distrito Federal, Goiás, Maranhão, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Rio de Janeiro, Santa Catarina, São Paulo)

84 BRA

Synonyms: hidden

= Adiantum haenkeanum C.Presl; Reliq. Haenk. 1: 62 (1825)

= Adiantum intermedium var. bipinnatum J.E.Boemer; J. Bot. (Morot) 27(3): 132 (1889), nom. inval.

= Adiantum tomentellum Fée; Crypt. Vasc. Brésil 1: 37, t. 9, f. 2 (1869)

species :

Adiantum isthmicum B.Zimmer; Willdenowia 19(1): 215 (1989)

Distribution: Panama

80 PAN

Remarks: phyllitidis agg.

species :

Adiantum japonicum T.Zhao, Z.Y.Zuo, J.Wen & J.Mei Lu; Phytotaxa 525(1): 7 (2021)

Distribution: Japan (Hokkaido, Honshu, Shikoku)

38 JAP

Synonyms: hidden

= Adiantum pedatum f. contratum Yonek. & Keizo Sasaki; J. Jap. Bot. 89(5): 361 (2014)

species :

Adiantum jordanii Müll.Hal.; Bot. Zeitung (Berlin): 26, t. 1, f. 1 (1864)

Name: California Maidenhair Fern

Distribution: W-USA (California, coastal, SW-Oregon); Mexico (Baja California Norte, Baja California Sur)

73 USA 76 USA 79 MEX

Synonyms: hidden

= Adiantum emarginatum Hook.; Sp. Fil. [W. J. Hooker] 2: 39, t. 75 a (1851) (non Bory (1810))

species :

Adiantum juxtapositum Ching; Acta Phytotax. Sin. 6: 312 (1957)

Distribution: China (N-Fujian, Jiangxi)

36 CHI

species :

Adiantum kendalii Jenman; J. Bot. 24: 39 (1886)

Distribution: Jamaica

81 JAM

Synonyms: hidden

= Adiantum macrophyllum var. bipinnatum Baker ex Jenman; J. Bot. 17: 259 (1879)

species :

Adiantum kingii Copel.; Philipp. J. Sci. 9: 5 (1914)

Distribution: New Guinea (Irian Jaya, Papua New Guinea)

42 NWG

species :

Adiantum klossii A.Gepp; J. Nat. Hist. Soc. Siam 4: 159 (1921)

Distribution: Vietnam

41 VIE

species :

Adiantum krameri B.Zimmer; Willdenowia 37(2): 557 (2007)

Distribution: French Guiana

82 FRG

species :

Adiantum lamrianum Bidin & R.Jaman; Gard. Bull. Singapore 41(2): 45 (1988 publ. 1989)

Distribution: Borneo (Sabah)

42 BOR

species :

Adiantum latifolium Lam.; Encycl. [J. Lamarck et al.] 1: 43 (1783)

Name: Broadleaf maidenhair

Distribution: S-India [I]; Sri Lanka [I]; Andaman Isl. [I]; peninsular Thailand [I]; peninsular Malaysia [I]; Singapore [I]; Sumatra [I]; Borneo [I] (Sabah [I]); Mexico (Campeche, Chiapas, Nayarit, Oaxaca, Quintana Roo, Tabasco, Veracruz); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Isla del Coco; Panama; Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Virgin Isl. (St. Croix, St. Thomas, Tortola); Nevis; Montserrat; Guadeloupe; Dominica; Martinique; St. Lucia; Grenada; Barbados; Trinidad; Colombia (Amazonas, Antioquia, Boyacá, Caquetá, Cauca, Chocó, Cundinamarca, Guaviare, Meta, Nariño, Norte de Santander, Putumayo, Valle, Vaupés, Vichada); Venezuela (Amazonas, Apure, Bolívar, Delta Amacuro, Portuguesa, Sucre, Zulia); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (Beni, Cochabamba, La Paz, Pando, Santa Cruz); Brazil (Acre, Alagoas, Amazonas, Amapá, Bahia, Ceará, Brasilia Distrito Federal, Espírito Santo, Goiás, Maranhão, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Pará, Paraíba, Pernambuco, Piauí, Paraná, Rio de Janeiro, Rondônia, Roraima, Santa Catarina, São Paulo, Tocantins); Paraguay (Alto Paraguay, Alto Paraná, Canindeyu, Central, Guaira); Argentina (Formosa, Misiones)

40 ind srl 41 and tha 42 bor mly sng sum 79 MEX 80 BLZ COC COS ELS GUA HON NIC PAN 81 BBD CUB DOM GDL GRE HIS JAM MAR MTS PUE STK STL TRT VIR 82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA 85 ARG PAR

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum brasiliense Link; Hort. Berol. [Link] 2: 13 (1833)

= Adiantum denticulatum Sw.; Prodr. Veg. Ind. Occ. 135 (1788) (non Burm. (1768))

= Adiantum denticulatum var. humile Kuhn; Jahrb. Königl. Bot. Gart. Berlin 1: 341 (1881)

= Adiantum denticulatum var. obtusum Mett. ex Kuhn; Jahrb. Königl. Bot. Gart. Berlin 1: 341 (1881)

= Adiantum elatum Desv.; Mag. Neuesten Entdeck. Gesammten Naturk. Ges. Naturf. Freunde Berlin 5: 327 (1811)

= Adiantum fovearum Raddi; Pl. Bras. Nov. Gen. 1: 58, t. 77 (1825)

= Adiantum fovearum var. majus Rosenst.; Repert. Spec. Nov. Regni Veg. 21: 345 (1925)

= Adiantum fovearum var. reductum Jenman; Bull. Misc. Inform. Roy Bot. Gard. Trinidad 19, App.: 87 (1899)

= Adiantum glaziovii Baker; J. Bot. 20: 309 (1882)

= Adiantum intermedium var. medioximum Christ; Bot. Jahrb. Syst. 24(1): 93 (1897)

= Adiantum intermedium var. triangulatum (Kaulf.) T.Moore; Index Fil. [T. Moore] 29 (1857)

= Adiantum latifolium var. grisebachianum Domin; Rozpr. Kral. Ceske Spolecn. Nauk, Tr. Mat.-Prir., n. s. 2: 139 (1929)

= Adiantum lucidum var. bipinnatum Mett. ex E.Fourn.; Mexic. Pl. 1: 129 (1872)

= Adiantum sordidum Lindm.; Ark. Bot. 1: 205, t. 9, f. 1 (1903)

= Adiantum triangulatum Kaulf.; Enum. Filic. [Kaulfuss] 204 (1824)

= Adiantum triangulatum var. acuminatum Jenman; Bull. Bot. Dept., Jamaica no. 33: 7 (1892)

species :

Adiantum latipinnulum Boudrie & J.Prado; Amer. Fern J. 107(2): 91 (2017)

Distribution: French Guiana

82 FRG

species :

Adiantum leprieurii Hook.; Sp. Fil. [W. J. Hooker] 2: 31, t. 82 B (1851)

Distribution: Venezuela (Bolívar); Guyana; Surinam; French Guiana; Brazil (Pará)

82 FRG GUY SUR VEN 84 BRA

Remarks: pectinatum agg.

Synonyms: hidden

= Hewardia leprieurii Fée; Mém. Foug. 5 (Gen. Filic.): 122 (1852)

species :

Adiantum lianxianense Ching & Y.X.Lin; Acta Phytotax. Sin. 18(1): 102 (1980)

Distribution: +China (+Guangdong, +Guizhou, +Hunan)

36 CHI

Conservation Status: extinct due to habitat loss

Synonyms: hidden

= Adiantum gravesii Ching; (non Hance)

species :

Adiantum lindsaeoides J.Prado & R.Y.Hirai; Syst. Bot. 38(1): 28 (2013)

Distribution: Brazil (Bahia, Espírito Santo)

84 BRA

species :

Adiantum lobatum C.Presl; Reliq. Haenk. 1: 62, t. 10, f. 4 (1825)

Distribution: Ecuador; Peru

83 ECU PER

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

species :

Adiantum longzhouensis A.H.Wang, F.G.Wang & F.W.Xing; PLoS ONE 12(4): e0172729 (14) (2017)

Distribution: China (Guangxi)

36 CHI

species :

Adiantum lorentzii Hieron.; Bot. Jahrb. Syst. 22: 393 (1896)

Distribution: Bolivia (Chuquisaca, Cochabamba, La Paz, Santa Cruz, Tarija); Brazil (Ceará, Brasilia Distrito Federal, Goiás, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Paraná, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, São Paulo); Paraguay (Caazapa, Central, Cordillera, Guaira, Paraguari, San Pedro); Argentina (Catamarca, Chaco, Cordoba, Corrientes, Entre Rios, Formosa, Jujuy, Misiones, Salta, San Luis, Tucuman)

83 BOL 84 BRA 85 ARG PAR

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

Synonyms: hidden

= Adiantum cuneatum var. veneris Griseb.; Abh. Königl. Ges. Wiss. Göttingen 19: 275 (1874)

species :

Adiantum lucidum (Cav.) Sw.; Syn. Fil. [Swartz] 121 (1806)

Distribution: Panama; Jamaica; Antigua; Guadeloupe; Tobago; Trinidad; Colombia (Antioquia, Atlántico, Chocó, Córdoba, Magdalena); Venezuela (Amazonas, Bolívar, Delta Amacuro, Miranda, Monagas, Nueva Esparta, Sucre, Yaracuy, Zulia); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (Beni); Brazil (Amazonas, Amapá, Bahia, Ceará, Espírito Santo, Maranhão, Minas Gerais, Mato Grosso, Pará, Pernambuco, Rondônia)

80 PAN 81 ABA GDL JAM TRT 82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA

Remarks: phyllitidis agg.

Synonyms: hidden

= Adiantum asperum (Poir.) Desv.; Mag. Neuesten Entdeck. Gesammten Naturk. Ges. Naturf. Freunde Berlin 5: 327 (1811)

= Adiantum lucidum var. anomalum T.Moore; Index Fil. [T. Moore] 30 (1857)

= Adiantum lucidum var. majus Hook.; Sp. Fil. [W. J. Hooker] 2: 4 (1851)

= Adiantum malaliense Jenman; Gard. Chron., ser. 3, 20: 182 (1896)

= Adiantum varium Humb. & Bonpl. ex Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 435 (1810)

= Pteris aspera Poir.; Encycl. [J. Lamarck et al.] 5: 713 (1804) ex A. Desv. (1811)

= Pteris lucida Cav.; Descr. Pl. (Cavanilles) 266 (1801)

species :

Adiantum macrocladum Klotzsch; Linnaea 18: 554 (1844)

Distribution: Ecuador; Peru; Bolivia (La Paz)

83 BOL ECU PER

Conservation Status: IUCN I

Synonyms: hidden

= Adiantum mexiae Copel.; Univ. Calif. Publ. Bot. 19: 303, t. 61 (1941)

= Adiantum myriophyllum C.Presl; Tent. Pterid. 168 (1836), nomen

species :

Adiantum macrophyllum Sw.; Prodr. Veg. Ind. Occ. 135 (1788)

Distribution: Mexico (Chiapas, Guerrero, Oaxaca, Puebla, Veracruz); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Cuba; Jamaica; Hispaniola (Haiti); Puerto Rico; Guadeloupe; Martinique; Trinidad; Colombia (Antioquia, Caldas, Chocó, Cundinamarca, La Guajira, Magdalena, Meta, Nariño, Norte de Santander, Risaralda, Santander, Valle); Venezuela (Anzoategui, Aragua, Barinas, Bolívar, Carabobo, Venezuela Distrito Federal, Falcon, Lara, Merida, Miranda, Monagas, Portuguesa, Sucre, Tachira, Yaracuy, Zulia); Guyana; Surinam; French Guiana; Ecuador; Galapagos; Peru; Bolivia (Cochabamba, La Paz); Brazil (Acre, Alagoas, Amazonas, Amapá, Bahia, Ceará, Minas Gerais, Pernambuco, Paraná, Rio de Janeiro, Roraima, São Paulo); Argentina (Misiones)

79 MEX 80 BLZ COS ELS GUA HON NIC PAN 81 CUB GDL HIS JAM MAR PUE TRT 82 CLM FRG GUY SUR VEN 83 BOL ECU GAL PER 84 BRA 85 ARG

Remarks: phyllitidis agg.

Synonyms: hidden

= Adiantum lancea Keyserl.; Mém. Acad. Imp. Sci. St. Pétersb. VII, 22(2): 6, 28 (1875) (non L. (1753))

= Adiantum macrophyllum f. albostriatum Pynaert; Nursery Cat. (Éd. Pynaert - Van Geert) 1898: 3 (1898)

= Adiantum macrophyllum var. glaucum T.Moore; Gard. Chron., ser. 2, 3: 620 (1875)

species :

Adiantum madagascariense Rosend.; Ark. Bot. 14(18): 1, t. 1, f. 1-2 (1916)

Distribution: Madagascar

29 MDG

variant :

var. prolongatum (Bonap.) Tardieu; Fl. Madagasc. 5(1)-10: 129 (1958)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Adiantum rhizophorum var. prolongatum Bonap.; Notes Ptéridol. 4: 79 (1917)

species :

Adiantum mariesii Baker; Gard. Chron., ser. 2, 14: 494 (1880)

Distribution: China (Guangxi, Guizhou, Hubei, Sichuan)

36 CHI

Synonyms: hidden

= Adiantum acrocarpon Christ; Bull. Acad. Int. Géogr. Bot. 110 c. fig. (1904)

= Adiantum nanum Ching; Sinensia 1: 9 (1929), Icon. Fil. Sin. t. 31

species :

Adiantum mariposatum McCarthy & Hickey; Amer. Fern J. 101(1): 1 (2011)

Distribution: Ecuador (Pastaza)

83 ECU

species :

Adiantum mathewsianum Hook.; Sp. Fil. [W. J. Hooker] 2: 35, t. 84a (1851)

Distribution: Ecuador; Peru; Bolivia (Santa Cruz); Brazil (Mato Grosso do Sul, Mato Grosso, Paraná, São Paulo); Paraguay (Alto Paraguay, Concepcion)

83 BOL ECU PER 84 BRA 85 PAR

Remarks: pectinatum agg.

species :

Adiantum matogrossense R.Y.Hirai & J.Prado; Amer. Fern J. 114(2): 151 (2024)

Distribution: Brazil (Mato Grosso)

84 BRA

species :

Adiantum mcvaughii Mickel & Beitel; McVaugh, Fl. Novo-Galiciana 17: 147 (1992)

Distribution: Mexico (Chiapas, Colima, Jalisco, Michoacan, Nayarit)

79 MEX

species :

Adiantum meishanianum F.S.Hsu ex Yea C.Liu & W.L.Chiou; Novon 19(1): 59 (2009)

Distribution: Taiwan

38 TAI

Conservation Status: critically endangered, less than 100 specimens remaining

species :

Adiantum melanoleucum Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 443 (1810)

Name: Fragrant Maiden-hair

Distribution: USA (Florida: Dade Co.); Bahamas; Cuba; Cayman Isl. (Grand Cayman); Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Navassa Isl.

78 USA 81 BAH CAY CUB HIS JAM NAV PUE

Remarks: pectinatum agg.

Synonyms: hidden

= Adiantum kunzeanum Klotzsch; Linnaea 18: 555 (1844)

= Adiantum laetum C.Presl; Tent. Pterid. 158 (1836), nomen

= Adiantum urbanianum Brause; Repert. Spec. Nov. Regni Veg. 16: 93 (1917)

variant :

var. cubense (Hook.) Bonap.; Notes Ptéridol. 7: 355 (1918)

Distribution: Cuba

81 CUB

Synonyms: hidden

= Adiantum cubense Hook.; Sp. Fil. [W. J. Hooker] 2: 8, t. 73 (1851)

= Adiantum melanoleucum var. nanum Jenman; Bull. Bot. Dept., Jamaica 35: 6 (1892)

species :

Adiantum membranifolium S.Linds. & Suksathan; Thai Forest Bull., Bot. 38: 67 (2010)

Distribution: N-Thailand

41 THA

Conservation Status: VU in Thailand

species :

Adiantum mendoncae Alston; Estud. Ensaios Doc. Junta Invest. Ci. Ultramar 12: 19, t. 6, 7 (1954)

Distribution: E-Zimbabwe; Mozambique (Manica, Sofala)

26 MOZ ZIM

species :

Adiantum menglianense Y.Y.Qian; Acta Bot. Austro Sin. 8: 37-38 (1992)

Distribution: China (Yunnan); Taiwan

36 CHI 38 TAI

Remarks: philippense agg.

species :

Adiantum mindanaoense Copel.; Philipp. J. Sci. 1, Suppl. II: 154, t. 10 (1906)

Distribution: Sulawesi; Philippines (Mindanao); Moluccas (Seram, Ambon); New Guinea (Irian Jaya, Papua New Guinea)

42 MOL NWG PHI SUL

Conservation Status: IUCN R, VU in the Philippines

Synonyms: hidden

= Adiantum aculeolatum Alderw.; Bull. Dépt. Agric. Indes Néerl. 18: 10 (1908)

= Adiantum christii Rosenst.; Repert. Spec. Nov. Regni Veg. 12: 166 (1913)

species :

Adiantum monochlamys D.C.Eaton; Proc. Amer. Acad. Arts 4: 110 (1858)

Distribution: China (Zhejiang, Guizhou, Sichuan); South Korea (Cheju Isl.); Japan; Taiwan

36 CHI 38 JAP KOR TAI

Synonyms: hidden

= Adiantum aethiopicum Thunb.; (non L.)

= Adiantum monochlamys var. plurisorum Christ; Bull. Acad. Int. Geogr. Bot. 20: 20 (1910)

= Adiantum monochlamys var. simozawae Masam.; (1943)

= Adiantum veitchii Hance; Ann. Sci. Nat., Bot., sér. 4, 16: 229 (1861)

= Adiantum venustum var. monochlamys (D.C.Eaton) Keyserl.; Mém. Acad. Imp. Sci. St. Pétersb. VII, 22(2): 36 (1875)

species :

Adiantum monosorum Baker; Syn. Fil. [W. J. Hooker & Baker], ed. 2: 472 (1874)

Distribution: Sulawesi; Philippines (Mindanao); Moluccas (Ambon, Seram); Solomon Isl. (Santa Ysabel, Makira)

42 MOL PHI SUL 43 SOL

Synonyms: hidden

= Adiantum robinsonii Alderw.; Philipp. J. Sci. 11: 110 (1916)

= Adiantum scabripes Copel.; Philipp. J. Sci. 7: 65, t. 5 (1912)

species :

Adiantum moorei Baker; Gard. Chron. 1878: 811 (1878)

Distribution: Peru; Bolivia; Argentina

83 BOL PER 85 ARG

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

Synonyms: hidden

= Adiantum amabile T.Moore; Gard. Chron. 1868: 1090 (1868), nom. illeg., non Liebm. (1849)

= Adiantum boliviense Christ & Rosenst.; Repert. Spec. Nov. Regni Veg. 6: 230 (1908)

= Adiantum decorum var. quadripinnata Rosenst.; Meded. Rijks-Herb. no. 19: 8 (1913)

= Adiantum rufopunctatum Mett.; Jahrb. Königl. Bot. Gart. Berlin 1: 350 (1881)

species :

Adiantum multisorum Samp.; Relat. Commiss. Linhas Telegr. Estratég. Matto Grosso Amazonas 5, Bot., pt. 7: 11, t. 1, f. 1 (1916)

Distribution: Bolivia (La Paz, Pando); Brazil (Acre, Amazonas, Minas Gerais, Mato Grosso, Pará, Roraima)

83 BOL 84 BRA

species :

Adiantum mynsseniae J.Prado; Amer. Fern J. 94(2): 112 (2004)

Distribution: Brazil (Minas Gerais, Rio de Janeiro, São Paulo)

84 BRA

Synonyms: hidden

= Adiantum pulcherrimum J.Prado; Amer. Fern J. 93(2): 76 (2003), nom. illeg., non Copel. 1911

species :

Adiantum myriosorum Baker; Bull. Misc. Inform. Kew 1898: 230 (1898)

Distribution: China (Anhui, Gansu, Guizhou, Henan, Hubei, Hunan, Shaanxi, Sichuan, Yunnan, Zhejiang); Tibet; Taiwan; Nepal; Bhutan; India (Arunachal Pradesh, Sikkim); Myanmar

36 CHI TIB 38 TAI 40 BHU IND NEP 41 MYA

Conservation Status: IUCN NT for India (Fraser-Jenkins 2012)

Synonyms: hidden

= Adiantum myriosorum var. recurvatum Ching & Y.X.Lin; Bull. Bot. Res., Harbin 3(3): 4 (1983)

= Adiantum pedatum var. glaucinum Christ; Bull. Herb. Boissier, sér. 1, 6(12): 957 (1898)

= Adiantum pedatum var. myriosorum (Baker) Christ; Bull. Herb. Boissier, sér. 2, 3: 511 (1903)

= Adiantum pedatum var. protrusum Christ; Bull. Acad. Int. Géogr. Bot. 13(173): 110-111 (1904)

= Adiantum subpedatum Ching; Bull. Bot. Res., Harbin 3(3): 2-3, f. 2 (1983) [fide Fraser-Jenkins 2017]

species :

Adiantum nelumboides X.C.Zhang; Lycophytes Ferns China: 258 (2012), nom. nov.

Distribution: China (Sichuan)

36 CHI

Conservation Status: IUCN E

Synonyms: hidden

= Adiantum reniforme var. sinense Y.X.Lin; Acta Phytotax. Sin. 18(1): 102 (1980)

species :

Adiantum neoguineense T.Moore; Gard. Chron., ser. 2, 7: 12 (1877)

Distribution: New Guinea (Papua New Guinea)

42 NWG

species :

Adiantum nodosum J.Prado, R.Y.Hirai & A.R.Sm.; Willdenowia 47(3): 238 (2017)

Distribution: SE-Colombia (Amazonas); E-Peru; Brazil (Amazonas)

82 CLM 83 PER 84 BRA

species :

Adiantum novae-caledoniae Keyserl.; Mém. Acad. Imp. Sci. St. Pétersb. VII, 22(2): 4, 27 c. tab. (1875)

Distribution: New Caledonia

60 NWC

Synonyms: hidden

= Adiantum aneitense var. incisa Rosenst.; (1911)

= Adiantum fulvum var. novae-caledoniae Keyserl.; (1911)

= Adiantum thornei C.V.Morton; Guillaumin et al., Univ. Iowa Stud. Nat. Hist. 20: 20, f.34 (1965)

species :

Adiantum nudum A.R.Sm.; Ann. Missouri Bot. Gard. 77(2): 260 (1990)

Distribution: Colombia (Antioquia); Venezuela (Amazonas, Bolívar); Brazil (Acre, Amazonas, Mato Grosso, Pará)

82 CLM VEN 84 BRA

species :

Adiantum oaxacanum Mickel & Beitel; Mem. New York Bot. Gard. 46 [Pterid. Fl. Oaxaca]: 25 (1988)

Distribution: Mexico (Oaxaca, Veracruz)

79 MEX

species :

Adiantum obliquum Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 429 (1810)

Distribution: Mexico (Chiapas, Veracruz, Oaxaca, Tabasco); Guatemala; Belize; Honduras; Nicaragua; Costa Rica; Panama; Cuba; Jamaica; Hispaniola (Dominican Republic); Puerto Rico; Guadeloupe; Martinique; St. Lucia; Grenada; Tobago; Trinidad; Colombia (Amazonas, Antioquia, Chocó, Guaviare, Meta, Norte de Santander, Santander, Valle, Vaupés, Vichada); Venezuela (Anzoategui, Barinas, Bolívar, Delta Amacuro, Venezuela Distrito Federal, Portuguesa, Sucre, Zulia); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (Beni, Cochabamba, La Paz, Santa Cruz); Brazil (Acre, Alagoas, Amazonas, Amapá, Bahia, Ceará, Espírito Santo, Maranhão, Minas Gerais, Mato Grosso, Pará, Pernambuco, Paraná, Rio de Janeiro, Rondônia, Roraima, São Paulo, Tocantins)

79 MEX 80 BLZ COS GUA HON NIC PAN 81 CUB GDL GRE HIS JAM MAR PUE STL TRT 82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA

Remarks: phyllitidis agg.

Synonyms: hidden

= Adiantum kaulfussii var. platyphyllum T.Moore; Index Fil. [T. Moore] 29 (1857)

= Adiantum macrodus (Kaulf.) Kunze; Flora 1889(1), Beibl. 42 (1889)

= Adiantum macropus Schrad.; Gött. Gel. Anz. 872 (1824)

= Adiantum obliquum var. bipinnatum Christ; Bull. Herb. Boissier, sér. 2, 4: 1094 (1904)

= Adiantum obliquum var. macrodon (Kaulf.) Hieron.; Hedwigia 48: 232 (1909)

= Adiantum obliquum var. majus Hook.; Sp. Fil. [W. J. Hooker] 2: 8 (1851)

= Adiantum platyphyllum Baker; Fl. Bras. [Martius] 1(2): 363 (1870)

= Adiantum platyphyllum var. aubletii Baker; Fl. Bras. [Martius] 1(2): 364 (1870)

= Adiantum platyphyllum var. obliquum (Willd.) Baker; Fl. Bras. [Martius] 1(2): 364 (1870)

species :

Adiantum obovatum A.H.Wang, F.G.Wang & F.W.Xing; PLoS ONE 12(4): e0172729 (13) (2017)

Distribution: China (Guangxi)

36 CHI

species :

Adiantum ogasawarense Tagawa; J. Jap. Bot. 14: 314 (1938)

Distribution: Bonin Isl. (Anijima, Hahajima); Volcano Isl. (Kita-Iwojima)

38 KZN OGA

Conservation Status: IUCN V, EN in Japan

species :

Adiantum olivaceum Baker; Syn. Fil. [W. J. Hooker & Baker] 127 (1867)

Distribution: Guyana

82 GUY

Remarks: phyllitidis agg.

species :

Adiantum orbignyanum Mett.; Kuhn, Linnaea 36: 78 (1869)

Distribution: Colombia (Boyacá, Cauca); Ecuador; Peru; Bolivia (Cochabamba, La Paz, Tarija); Argentina (Catamarca, Cordoba, Jujuy, Salta, Tucuman)

82 CLM 83 BOL ECU PER 85 ARG

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

Synonyms: hidden

= Adiantum tenerum var. rhomboideum Kunth ex Griseb.; Pl. Lorentz. 275 (1874)

species :

Adiantum ornithopodum C.Presl; Tent. Pterid. 158 (1836) (nomen), ex Kuhn, Linnaea 86: 74 (1869)

Distribution: Bolivia (Santa Cruz); Brazil (Bahia, Minas Gerais, Rio de Janeiro, São Paulo)

83 BOL 84 BRA

Synonyms: hidden

= Adiantum curvatum var. ornithopodum (C.Presl) Baker; Fl. Bras. [Martius] 1(2): 375 (1870)

species :

Adiantum ovalescens Fée; Mém. Foug. 8 (Icon. Esp. Nouv.): 72 (1857)

Distribution: Hispaniola (Dominican Republic)

81 HIS

Remarks: provisionally accepted name

species :

Adiantum oyapokense Jenman; Ferns Brit. W. Ind. 85 (1899)

Distribution: French Guiana

82 FRG

species :

Adiantum palaoense C.Chr.; Dansk Bot. Ark. 9(3): 53 (1937)

Distribution: Palau (Babeldaob)

62 PLU

Synonyms: hidden

= Adiantum palauense Hosok.; Trans. Nat. Hist. Soc. Formosa 28: 147 (1938), orth. var.

species :

Adiantum papilio Rakotondr. & Hemp; Adansonia, sér. 3, 36(1): 16 (2014)

Distribution: Madagascar

29 MDG

species :

Adiantum papillosum Handro; Loefgrenia 14: 1 (1964)

Distribution: Brazil (Espírito Santo, Minas Gerais, Paraná, Rio de Janeiro)

84 BRA

species :

Adiantum paraense Hieron.; Hedwigia 48: 233, t. 11, f. 10 (1909)

Distribution: Venezuela (Amazonas, Bolívar); Bolivia (La Paz); Brazil (Amazonas, Amapá, Maranhão, Pará, Rondônia, Roraima)

82 VEN 83 BOL 84 BRA

Synonyms: hidden

= Adiantum amazonicum A.R.Sm.; Ann. Missouri Bot. Gard. 77(2): 260 (1990)

species :

Adiantum parishii Hook.; Fil. Exot.: t. 51 (1858)

Distribution: Myanmar

41 MYA

Remarks: provisionally accepted name

species :

Adiantum patens Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 439 (1810)

subspecies :

subsp. patens

Distribution: Mexico (Chiapas, Colima, Durango, Guerrero, Jalisco, Mexico State, Michoacan, Morelos, Nayarit, Oaxaca, Sinaloa, Sonora, Zacatecas); Guatemala; El Salvador; Honduras; Nicaragua; Costa Rica; Colombia (Boyacá, Cauca, Cundinamarca, Magdalena, Meta); Venezuela (Aragua, Carabobo, Venezuela Distrito Federal, Lara, Merida, Miranda, Portuguesa, Trujillo); Ecuador; Galapagos; Peru; Bolivia (Cochabamba, La Paz); Brazil (Ceara)

79 MEX 80 COS ELS GUA HON NIC 82 CLM VEN 83 BOL ECU GAL PER 84 BRA

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

Synonyms: hidden

= Adiantum lobatum Kunze ex Kuhn; Jahrb. Königl. Bot. Gart. Berlin 1: 348 (1881), nec C. Presl, nec Poir.

= Adiantum hippocrepis A.Braun ex Salomon; Nomencl. Gefäßkrypt. 19 (1883), nomen

= Adiantum parvulum Hook.f.; Trans. Linn. Soc. London 20: 168 (1847)

subspecies :

subsp. oatesii (Baker) Schelpe; Bol. Soc. Brot., ser. 2A, 41: 203 (1967)

Distribution: Ghana; Nigeria; Cameroon; Congo [Brazzaville]; D.R.Congo [Zaire]; Burundi; Sudan; Uganda; Tanzania; Zambia; Zimbabwe

22 GHA NGA 23 BUR CMN CON ZAI 24 SUD 25 TAN UGA 26 ZAM ZIM

Synonyms: hidden

= Adiantum oatesii Baker; Oates, Matabeleland, App. V, c. fig. (1881)

= Adiantum patens var. oatesii (Baker) F.Ballard; Bull. Misc. Inform. Kew 1940: 30 (1940)

= Adiantum pedatum Peter; Repert. Spec. Nov. Regni Veg. 40: 45, Descr. 4, t. 5, f. 1 (1929) (nomen malum, non L.)

species :

Adiantum pearcei Phil.; Anales Univ. Chile 68 (1861)

Distribution: Chile (Coquimbo, Valparaíso, Metropolitana de Santiago)

85 CLE

Conservation Status: IUCN E

species :

Adiantum pectinatum Kunze ex Ettingsh.; Farnkr. Jetztw. [Ettingshausen]: 85, t. 46 t 14-16 (1865)

Distribution: Costa Rica; Colombia (Magdalena); Ecuador; Peru; Bolivia (Beni, Chuquisaca, La Paz, Santa Cruz, Tarija); Brazil (Acre, Alagoas, Bahia, Brasilia Distrito Federal, Goiás, Maranhão, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Pará, Pernambuco, Rondônia, Santa Catarina, São Paulo, Tocantins); Paraguay (Amambay); Argentina (Jujuy, Salta)

80 COS 82 CLM 83 BOL ECU PER 84 BRA 85 ARG PAR

Remarks: tetraphyllum agg.

species :

Adiantum pedatum L.; Sp. Pl. 2: 1095 (1753)

Name: Northern Maidenhair Fern

Distribution: Russian Far East (Amur, Khabarovsk, Kuril Isl., Primorye, Sakhalin); China (Gansu, Hebei, Heilongjiang, Henan, Jilin, Liaoning, Qinghai, Shaanxi, Shanxi, Sichuan, Yunnan); Tibet; North Korea; South Korea (incl. Cheju Isl.); Pakistan (Hazara); Nepal; Bhutan; India (Jammu & Kashmir, Arunachal Pradesh, Himachal Pradesh, Sikkim, Uttarakhand); Myanmar; Canada (New Brunswick, Nova Scotia, Ontario, Québec); USA (Alabama, Arkansas, Connecticut, District of Columbia, Delaware, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Virginia, Vermont, Wisconsin, West Virginia)

31 RFE 36 CHI TIB 38 KOR NKO 40 BHU IND NEP PAK 41 MYA 72 CDN 74 USA 75 USA 78 USA

Remarks: patens agg.

Synonyms: hidden

= Adiantum americanum Nieuwl.; Midl. Naturalist (Notre Dame) 2: 280 (1912)

= Adiantum grandifolium Ching; Bull. Fan Mem. Inst. Biol. Bot., ser. 2, 1: 269 (1949)

= Adiantum pedatum f. billingsae Kittr.; Amer. Fern J. 19: 56, fig. 4 (1929)

= Adiantum pedatum f. laciniatum (Hopkins) Weath.; Amer. Fern J. 27: 52 (1937)

= Adiantum pedatum f. triangulare (McCord) M.Broun; Index No. Amer. Ferns: 16 (1938)

= Adiantum pedatum var. glaucinum C.Chr.; J. Wash. Acad. Sci. 17: 498 (1927), nom. illeg.

= Adiantum pedatum var. kamtschaticum Rupr.; Distr. Crypt. Vasc. Ross. 48 (1845)

= Adiantum pedatum var. laciniatum Hopkins; Ohio Naturalist 10: 180, fig. 1 (1910)

= Adiantum pedatum var. originarium Wherry; Amer. Fern J. 27: 58 (1937)

= Adiantum pedatum var. triangulare McCord; Canad. Naturalist Geol., n. s. 1(no. 5): 355 (1864)

= Adiantum pedatum var. tripartitum Farw.; Amer. Fern J. 27: 12 (1937)

species :

Adiantum pentadactylon Langsd. & Fisch.; Icon. Filic. 22, t. 25 (1810)

Distribution: Brazil (Espírito Santo, Minas Gerais, Paraná, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, São Paulo)

84 BRA

Synonyms: hidden

= Adiantum trapeziforme subsp. pentadactylon (Langsd. & Fisch.) Luetzelb.; Estud. Bot. Nordéste 3: 250 (1923)

= Adiantum trapeziforme var. pentadactylon (Langsd. & Fisch.) T.Moore; Index Fil. [T. Moore] 40 (1857)

= Adiantum trapeziforme var. plumieri T.Moore; Index Fil. [T. Moore] 40 (1857)

species :

Adiantum peruvianum Klotzsch; Linnaea 18: 555 (1844), et 20: 441 (1847)

Name: Silver-dollar fern

Distribution: India [I]; Bangladesh [I]; Ecuador; Peru; Bolivia (Cochabamba, Santa Cruz)

40 ban ind 83 BOL ECU PER

Remarks: platyphyllum agg.

species :

Adiantum petiolatum Desv.; Mag. Neuesten Entdeck. Gesammten Naturk. Ges. Naturf. Freunde Berlin 5: 326 (1811)

Distribution: Mexico (Chiapas, Oaxaca, Tabasco, Veracruz); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Cuba; Jamaica; Hispaniola (Dominican Republic); Puerto Rico; Virgin Isl. (Tortola); Guadeloupe; Martinique; Grenada; Tobago; Trinidad; Colombia (Amazonas, Antioquia, Arauca, Boyacá, Caquetá, Chocó, Cundinamarca, Guaviare, Magdalena, Meta, Norte de Santander, Santander, Tolima, Valle, Vaupés); Venezuela (Amazonas, Apure, Aragua, Barinas, Bolívar, Falcon, Lara, Miranda, Portuguesa, Sucre, Tachira, Trujillo, Zulia); Guyana; Surinam; French Guiana; Ecuador; Galapagos; Peru; Bolivia (Beni, Cochabamba, La Paz, Pando, Santa Cruz); Brazil (Acre, Alagoas, Amazonas, Amapá, Bahia, Ceará, Espírito Santo, Goiás, Maranhão, Minas Gerais, Mato Grosso, Pará, Paraíba, Pernambuco, Paraná, Piauí, Rio de Janeiro, Rondônia, Roraima, Santa Catarina, São Paulo, Tocantins); Paraguay (Canindeyu)

79 MEX 80 BLZ COS ELS GUA HON NIC PAN 81 CUB GDL GRE HIS JAM MAR PUE TRT VIR 82 CLM FRG GUY SUR VEN 83 BOL ECU GAL PER 84 BRA 85 PAR

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum kaulfussii Kunze; Linnaea 21: 221 (1848)

= Adiantum lucidum var. pinnatum E.Fourn.; Mexic. Pl. 1: 129 (1872)

= Adiantum obliquum Kaulf.; Enum. Filic. [Kaulfuss] 200 (1824) (non Willd. (1810))

= Adiantum oblongatum Schrad.; Gött. Gel. Anz. 872 (1824)

= Adiantum platyphyllum Kunze; Analecta Pteridogr. 31 (1837)

= Adiantum platyphyllum var. kaulfussii (Kunze) Baker; Fl. Bras. [Martius] 1(2): 363 (1870)

species :

Adiantum phanerophlebium (Baker) C.Chr.; Dansk Bot. Ark. 7: 123, t. 49 (1932)

Distribution: Madagascar

29 MDG

Remarks: phyllitidis agg.

Synonyms: hidden

= Doryopteris phanerophlebia (Baker) Diels; Nat. Pflanzenfam. [Engler & Prantl] I, 4: 269 (1899)

= Pteris phanerophlebia Baker; J. Bot. 19: 367 (1881)

species :

Adiantum phanomensis S.Linds. & D.J.Middleton; Harvard Pap. Bot. 8(2): 137 (2004)

Distribution: peninsular Thailand (Klong Phanom and Khao Sok National Parks)

41 THA

species :

Adiantum philippense L.; Sp. Pl. 2: 1094 (1753)

subspecies :

subsp. philippense

Distribution: Cape Verde Isl. (Santo Antao Isl., Ilha de Sao Nicolau, Ilha de Sao Tiago, Fogo Isl.); Senegal; Guinea-Bissau; Guinea; Sierra Leone; Liberia; Mali; Burkina Faso; Ivory Coast; Ghana; ?Togo; Benin; Niger; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; São Tomé; Annobon Isl.; Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; Burundi; Chad; Sudan; Ethiopia; Uganda; Kenya; Tanzania; Angola; Zambia; Malawi; Zimbabwe; Mozambique; South Africa (Limpopo, N-Mpulamanga); Madagascar; Comores (Anjouan, Mayotte, Mohéli); Iles Glorieuses; Oman; ?S-Yemen; China (Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan); Taiwan; Nepal; Bhutan; India (Jammu & Kashmir, Andhra Pradesh, Arunachal Pradesh, Assam State, Bihar, Chhattisgarh, Goa, Gujarat, Himachal Pradesh, Jharkhand, Karnataka, Kerala, Lakshadweeps, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Rajasthan, Sikkim, Tamil Nadu, Tripura, Uttarakhand, Uttar Pradesh, West Bengal); Sri Lanka; Bangladesh; Andaman Isl.; Myanmar (Chin, etc.); Thailand (widespread); Laos; Cambodia; Vietnam; peninsular Malaysia; Sulawesi; Palawan; Philippines; Lesser Sunda Isl. (Bali, Lombok, Sumba, Wetar, Sumbawa, Alor); Moluccas (Seram); New Guinea (Irian Jaya, Papua New Guinea); ?Solomon Isl.; Australia (Western Australia, Northern Territory, Queensland); Vanuatu; Fiji (Viti Levu, Vanua Levu); American Samoa (Tutuila, Aunu´u, Ta´u); [Western] Samoa (´Upolu); Palau (Babeldaob); Guam; Fed. States of Micronesia (Yap, Kosrae); Mexico (Chiapas, Colima, Guerrero, Jalisco, Mexico State, Michoacan, Nayarit, Oaxaca, Sinaloa, Zacatecas); Guatemala; El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Cuba; ?Colombia; Venezuela (Aragua, Bolívar, Carabobo, Cojedes, Venezuela Distrito Federal, Merida, Miranda, Tachira, Trujillo, Yaracuy)

21 CVI 22 BEN BKN GHA GNB GUI IVO LBR MLI NGA NGR SEN SIE 23 ANN BIO BUR CAF CMN CON GAB SAO ZAI 24 CHA ETH SUD 25 KEN TAN UGA 26 ANG MLW MOZ ZAM ZIM 27 SAF 29 COM IGL MDG 35 OMA 36 CHI 38 TAI 40 BAN BHU IND NEP SRL 41 AND CBD LAO MYA THA VIE 42 LSI MLY MOL NWG PHI PLW SUL 50 AUS 60 ASA FIJ SAM VAN 62 GUM MIC PLU 79 MEX 80 COS ELS GUA HON NIC PAN 81 CUB 82 VEN

Remarks: A. lunatum is identical with A. philippense fide molecular phylogenies

Conservation Status: IUCN E (Capverdes)

Synonyms: hidden

= Adiantum arcuatum (Poir.) Sw.; Syn. Fil. [Swartz] 122 (1806), nom. superfl.

= Adiantum lunatum Cav.; Descr. Pl. (Cavanilles) 1: 272 (1801)

= Adiantum lunulatum Burm.f.; Fl. Ind. (N. L. Burman) 235 (1768)

= Adiantum lunulatum var. dolabriforme F.M.Bailey; Compr. Cat. Queensland Pl. t. 641 (1913)

= Adiantum lunulatum var. fissum Christ; Mem. Soc. Bot. France 2, 8: 106 (1908)

= Adiantum lunulatum var. limbatum Christ; Bull. Acad. Int. Géogr., sér. 3, 11: 226 (1902)

= Adiantum lunulatum var. lobatum C.Chr.; Cat. Pl. Madag., Pterid.51 (1932)

= Adiantum lunulatum var. pteropus (R.Br.) Bonap.; Bull. Mus. Natl. Hist. Nat. 13(6): 387 (1913)

= Adiantum lunulatum var. subjunonicum Christ; Notul. Syst. (Paris) 1(2): 49 (1909)

= Adiantum lunulatum var. tremulum Baker; Syn. Fil. [W. J. Hooker & Baker] 114 (1867)

= Adiantum philippense var. dolabriforme (F.M.Bailey) D.A.Sm.; N. Queensland Naturalist, no. 3: 7 (1946)

= Adiantum philippense var. lobatum C.Chr.; Dansk Bot. Ark. 7: 124 (1932)

= Aspidium arcuatum (Poir.) Desv.; Mag. Neuesten Entdeck. Gesammten Naturk. Ges. Naturf. Freunde Berlin 5: 321 (1811)

= Cyclosorus arcuatus (Poir.) Alston; Amer. Fern J. 45: 119 (1955)

= Nephrodium arcuatum (Poir.) Desv.; Mem. Soc. Linn. Paris 6(2): 257 (1827)

= Polypodium arcuatum Poir.; Encycl. [J. Lamarck et al.] 5: 528 (1804), nom. superfl.

= Pteris lunulata (Burm.f.) Retz.; Observ. Bot. [Retzius] 2: 28, t. 4 (1781)

= Thelypteris arcuata (Poir.) C.F.Reed; Phytologia 17: 260 (1968)

subspecies :

subsp. intermedium S.C.Verma & Fraser-Jenk.; Taxon. Revis. Indian Subcontinental Pteridophytes (2008)

Distribution: China; Nepal; Bhutan; India (Arunachal Pradesh, Himachal Pradesh, Kerala, Meghalaya, Odisha, Tamil Nadu, West Bengal); Myanmar; Thailand; Vietnam; Sulawesi; Philippines; New Guinea (Irian Jaya, Papua New Guinea); Bismarck Arch. (New Britain, Admiralty Isl.); Solomon Isl. (Guadalcanal, Santa Ysabel); Vanuatu; Fiji; Guam

36 CHI 40 BHU IND NEP 41 MYA THA VIE 42 NWG PHI SUL 43 BIS SOL 60 FIJ VAN 62 GUM

subspecies :

subsp. teestae S.C.Verma & Fraser-Jenk.; Taxon. Revis. Indian Subcontinental Pteridophytes (2008)

Distribution: China (Hainan); Bhutan; India (Karnataka, Kerala, Madhya Pradesh, Manipur, Nagaland, Odisha, Sikkim, Uttarakhand, Uttar Pradesh, West Bengal); Bangladesh; Andaman Isl.; Myanmar

36 CHI 40 BAN BHU IND 41 AND MYA

species :

Adiantum phyllitidis J.Sm.; London J. Bot. 1: 197 (1842)

Distribution: Panama; Hispaniola (Dominican Republic); Colombia (Antioquia); Venezuela (Bolívar, Delta Amacuro); Guyana; Surinam; French Guiana; Brazil (Bahia, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Pernambuco, Roraima)

80 PAN 81 HIS 82 CLM FRG GUY SUR VEN 84 BRA

Remarks: phyllitidis agg.

species :

Adiantum platyphyllum Sw.; Kongl. Vetensk. Akad. Handl. 74, t. 3, f. 6 (1817)

Distribution: Colombia (Antioquia, Valle); Ecuador; Peru; Bolivia (Beni, Cochabamba, La Paz, Santa Cruz); Brazil (Acre, Goiás, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Rondônia, São Paulo); Paraguay (Amambay)

82 CLM 83 BOL ECU PER 84 BRA 85 PAR

Remarks: platyphyllum agg.

species :

Adiantum poeppigianum C.Presl; Tent. Pterid. 157 (1836), nomen, ex Hieron., Hedwigia 48: 231 (1909)

Distribution: Peru; Bolivia (Beni, La Paz); Brazil (Acre)

83 BOL PER 84 BRA

Remarks: phyllitidis agg.

Conservation Status: IUCN I

Synonyms: hidden

= Adiantum lucidum var. poeppigianum (C.Presl) Mett. ex Kuhn; Jahrb. Königl. Bot. Gart. Berlin 1: 340 (1881)

species :

Adiantum poiretii Wikstr.; Kongl. Vetensk. Akad. Handl. 443 (1825 publ. 1826), nom. nov.

Distribution: ?Mauritius; La Réunion

29 REU

Remarks: A. poiretii is probably restricted to La Réunion. Roux (2009) applies the name poiretii to the tropical African populations which are here listed in A. thalictroides.

Synonyms: hidden

= Adiantum crenatum Poir.; Encycl. [J. Lamarck et al.] suppl. 1: 137 (1810) (non Willd. (1810))

= Adiantum gratum Fée; Mém. Foug. 5 (Gen. Filic.): 119 (1850), 7 mem. 29 t. 12 f. 3 (1850)

species :

Adiantum polyphyllum Willd.; Sp. Pl., ed. 4 [Willdenow] 5: 454 (1810)

Name: Giant maidenhair

Distribution: Guatemala; Trinidad [I]; Colombia (Antioquia, Boyacá, Cesar, Cundinamarca, La Guajira, Magdalena, Meta, Nariño, Norte de Santander, Tolima); Venezuela (Aragua, Barinas, Carabobo, Venezuela Distrito Federal, Lara, Miranda, Portuguesa, Sucre, Yaracuy)

80 GUA 81 trt 82 CLM VEN

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum cardiochlaena Kunze; Linnaea 17: 569 (1843)

= Adiantum cardiochlaena var. rigidum Hook.; Sp. Fil. [W. J. Hooker] 2: 51 (1851)

= Adiantum grande Fée; Mém. Foug. 5 (Gen. Filic.): 116 (1852)

= Adiantum parallelogrammum Vell.; Fl. Flumin. 11: t. 99 (1831)

= Adiantum politum J.Sm.; London J. Bot. 1: 198 (1842)

= Adiantum polyphyllum var. rigidum (Hook.) T.Moore; Index Fil. [T. Moore] 34 (1857)

= Adiantum polyphyllum var. toquisensis Hieron.; Hedwigia 48: 236, pl. 11, fig. 12 (1909)

species :

Adiantum proliferum Roxb.; Calcutta J. Nat. Hist. 4: 512 (1844)

Distribution: Moluccas

42 MOL

Remarks: not in India

species :

Adiantum pseudocajennense J.Prado, R.Y.Hirai & A.R.Sm.; Willdenowia 47(3): 240 (2017)

Distribution: Ecuador

83 ECU

species :

Adiantum pseudotinctum Hieron.; Bot. Jahrb. Syst. 22: 394 (1896)

Distribution: Brazil (Paraná, Rio Grande do Sul, Santa Catarina); Paraguay (Amambay, Canindeyu, Cordillera, Guaira, Misiones); Argentina (Chaco, Corrientes, Misiones, Salta)

84 BRA 85 ARG PAR

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

species :

Adiantum pulchellum Blume; Enum. Pl. Javae 2: 216 (1828)

Distribution: Lesser Sunda Isl. (Sumbawa, Flores)

42 LSI

Synonyms: hidden

= Adiantum lobbianum Hook.; Sp. Fil. [W. J. Hooker] 2: 51, t. 86C (1851)

species :

Adiantum pulcherrimum Copel.; Philipp. J. Sci. 6: 138, t. 22 (1911)

Distribution: Borneo (Sarawak)

42 BOR

species :

Adiantum pulverulentum L.; Sp. Pl. 2: 1096 (1753)

Name: Glossy maidenhair

Distribution: Sri Lanka [I]; Mexico (Chiapas, Guerrero, Oaxaca, Quintana Roo, San Luis Potosi, Tabasco, Veracruz); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Isla del Coco; Panama; Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Virgin Isl. (Tortola); Guadeloupe; Martinique; Tobago; Trinidad; Colombia (Amazonas, Antioquia, Bolívar, Cauca, Cesar, Chocó, Córdoba, Cundinamarca, Magdalena, Meta, Nariño, Putumayo, Quindío, Risaralda, Valle); Venezuela (Amazonas, Aragua, Barinas, Bolívar, Venezuela Distrito Federal, Miranda, Monagas, Portuguesa, Sucre, Yaracuy, Zulia); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (Beni, Cochabamba, La Paz, Pando, Santa Cruz); Brazil (Acre, Alagoas, Amazonas, Amapá, Bahia, Ceará, Espírito Santo, Goiás, Maranhão, Mato Grosso do Sul, Minas Gerais, Mato Grosso, Pará, Paraíba, Pernambuco, Rio de Janeiro, Rondônia, Roraima, Sergipe, São Paulo); Paraguay (Amambay)

40 srl 79 MEX 80 BLZ COC COS ELS GUA HON NIC PAN 81 CUB GDL HIS JAM MAR PUE TRT VIR 82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA 85 PAR

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum apiculatum Schrad.; Gött. Gel. Anz. 872 (1824)

= Adiantum claussenii Fée; Mém. Foug. 5 (Gen. Filic.): 115 (1852)

= Adiantum kunzeanum C.Presl; Tent. Pterid. 157 (1836)

= Adiantum monosoratum Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 445 (1810)

= Adiantum monotis Nees; Linnaea 19: 684 (1847)

= Adiantum propinquum Fée; Mém. Foug. 5 (Gen. Filic.): 114 (1852)

= Adiantum pulverulentum var. biserratum Hieron.; Bot. Jahrb. Syst. 34: 489 (1904)

= Adiantum pulverulentum var. crenatoserratum Hieron.; Hedwigia 48: 232 (1909)

= Adiantum umbrosum Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 447 (1810)

= Pteris dolabriformis Poir.; Encycl. [J. Lamarck et al.] 5: 722 (1810)

variant :

var. caudatum Jenman; Bull. Bot. Dept., Jamaica no. 33: 7 (1892)

Distribution: Jamaica

81 JAM

Synonyms: hidden

= Adiantum serrulatum L.; Sp. Pl. 2: 1096 (1753)

species :

Adiantum pumilum Sw.; Prodr. Veg. Ind. Occ. 134 (1788)

Distribution: Jamaica

81 JAM

species :

Adiantum pyramidale (L.) Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 442 (1810)

Name: Pyramid maidenhair

Distribution: Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Virgin Isl. (St. Thomas); Montserrat; Guadeloupe; Martinique; Venezuela (Venezuela Distrito Federal, Falcon, Lara, Merida, Sucre, Tachira, Trujillo)

81 CUB GDL HIS JAM MAR MTS PUE VIR 82 VEN

Remarks: pectinatum agg.

Synonyms: hidden

= Adiantum asperum Fée; Mém. Foug. 5 (Gen. Filic.): 115 (1852)

= Adiantum crenatum Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 446 (1810)

= Adiantum cristatum L.; Syst. Nat. ed. X, 2: 1328 (1759)

= Adiantum cristatum var. nigrescens (Fée) Krug; Bot. Jahrb. Syst. 24(1): 93 (1897)

= Adiantum microphyllum Kaulf.; Enum. Filic. [Kaulfuss] 204 (1824)

= Adiantum nigrescens Fée; Mém. Foug. 5 (Gen. Filic.): 117 (1852)

= Adiantum quadriternatum Desv.; Mag. Neuesten Entdeck. Gesammten Naturk. Ges. Naturf. Freunde Berlin 5: 327 (1811)

= Adiantum striatum Sw.; Prodr. Veg. Ind. Occ. 135 (1788)

= Polypodium pyramidale L.; Sp. Pl. 2: 1093 (1753)

species :

Adiantum raddianum C.Presl; Tent. Pterid. 158 (1836), nom. nov.

Name: Delta maidenhair (EN); Raddes Frauenhaarfarn (DE)

Distribution: Germany [I]; Spain [I]; Azores [I] (Sao Miguel Isl. [I], Pico [I], Faial [I], Flores Isl. [I]); Madeira [I] (Madeira Isl. [I]); Canary Isl. [I] (Gran Canaria [I], Tenerife [I], La Palma Isl. [I]); Principe Isl. [I]; São Tomé [I]; D.R.Congo [Zaire]; Uganda [I]; Kenya [I]; Tanzania [I]; Malawi [I]; Zimbabwe [I]; Mozambique [I]; South Africa [I] (Limpopo [I], Gauteng [I], Mpulamanga [I], E-Cape Prov. [I], W-Cape Prov. [I], KwaZulu-Natal [I]); Ascension Isl. [I]; St. Helena [I]; Mauritius [I]; La Réunion [I]; Georgia [Caucasus] [I]; Ryukyu Isl. [I]; Taiwan [I]; India [I]; Sri Lanka [I]; Sulawesi [I]; Lesser Sunda Isl. [I] (Bali [I], Lombok [I], Timor [I]); New Zealand [I]; Gilbert Isl. [I] (Tarawa [I]); Society Isl. [I] (Moorea [I]); Hawaii [I] (Kauai [I], Oahu [I], Molokai [I], Lanai [I], Maui [I], Hawaii Isl. [I]); Mexico (Chiapas, Michoacan, Morelos, Puebla, Veracruz, Oaxaca, Tlaxcala); Guatemala; El Salvador; Honduras; Nicaragua; Costa Rica; Jamaica [I]; Dominica; Trinidad [I]; Colombia (Antioquia, Boyacá, Caldas, Cauca, Cundinamarca, Huila, Magdalena, Nariño, Quindío, Santander, Tolima, Valle); Venezuela; Ecuador; Peru; Bolivia (Beni, Chuquisaca, Cochabamba, La Paz, Santa Cruz, Tarija); Brazil (Bahia, Ceará, Brasilia Distrito Federal, Espírito Santo, Goiás, Minas Gerais, Mato Grosso, Pernambuco, Paraná, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, São Paulo); Paraguay (Alto Paraná, Amambay, Caazapa, Canindeyu, Guaira, Paraguari); Uruguay (Artigas, Canelones, Cerro Largo, Durazno, Florida Prov., Maldonado, Paysandu, Salto, Tacuarembo); Argentina (Buenos Aires, Catamarca, Chaco, Cordoba, Corrientes, Entre Rios, Jujuy, La Rioja, Misiones, Salta, Santa Fe, San Luis, Tucuman)

11 ger 12 spa 21 azo cny mdr 23 pri sao ZAI 25 ken tan uga 26 mlw moz zim 27 saf 28 asc sth 29 mau reu 33 geo 38 nns tai 40 ind srl 42 lsi sul 51 nzl 60 gil 61 sci 63 haw 79 MEX 80 COS ELS GUA HON NIC 81 DOM jam trt 82 CLM VEN 83 BOL ECU PER 84 BRA 85 ARG PAR URU

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

Synonyms: hidden

= Adiantum aemulum T.Moore; Gard. Chron., ser. 2, 8: 584 t 114 (1877)

= Adiantum aethiopicum Hook. ex Baker; (1867) non L.

= Adiantum baenitzii Rosenst.; Repert. Spec. Nov. Regni Veg. 5: 230 (1908)

= Adiantum cuneatum f. elongatum Rosenst.; Hedwigia 46: 82 (1906)

= Adiantum cuneatum Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 450 (1810), nom. illeg., non G. Forst. 1786

= Adiantum cuneatum Langsd. & Fisch.; Icon. Filic. 23, t. 26 (1810) (non G. Forst. (1786))

= Adiantum cuneatum var. majus Baker; Fl. Bras. [Martius] 1(2): 594 (1870), nom. illeg.

= Adiantum cuneatum var. subintegrum Hieron.; Hedwigia 48: 240, pl. 11, fig. 14 (1909)

= Adiantum cuneatum var. vastum Rosenst.; Hedwigia 43: 217 (1904)

= Adiantum cuneipinnulum N.C.Nair & S.R.Ghosh; Acta Bot. Indica 2: 78 (1974) (fide Fraser-Jenkins 1997)

= Adiantum cyclosorum T.Moore; Gard. Chron., ser. 3, 1: 547 (1887)

= Adiantum decorum T.Moore; Gard. Chron. 1869: 582 (1869)

= Adiantum elegantissimum B.S.Williams ex R.Hogg; Florist & Pomol. 27: 135 (1874)

= Adiantum gracillimum B.S.Williams ex R.Hogg; Florist & Pomol. 27: 42 (1874)

= Adiantum mexicanum C.Presl; Tent. Pterid. 158 (1836)

= Adiantum rubellum T.Moore; Gard. Chron. 1868: 866 (1868)

= Adiantum werckleanum Christ; Bull. Herb. Boissier, sér. 2, 4: 1093 (1904)

= Adiantum wiegandii T.Moore; Gard. Chron., ser. 2, 20: 748 (1883)

species :

Adiantum rectangulare Lindm.; Ark. Bot. 1: 204, t. 9, f. 3 (1903)

Distribution: Brazil (Mato Grosso, Goiás, Alagoas)

84 BRA

Remarks: provisionally accepted name

species :

Adiantum reniforme L.; Sp. 2: 1094 (1763)

subspecies :

subsp. reniforme

Name: Talerfarn (D), Hierba tostonera (Esp)

Distribution: Madeira (Madeira Isl., Porto Santo Isl.); Canary Isl. (Lanzarote, Fuerteventura, Gran Canaria, Tenerife, La Gomera, Hierro, La Palma Isl.); Cape Verde Isl. (Santo Antao Isl.); D.R.Congo [Zaire]; N-Chad (Tibesti); Kenya; Tanzania; Malawi; Madagascar

21 CNY CVI MDR 23 ZAI 24 CHA 25 KEN TAN 26 MLW 29 MDG

Remarks: reniforme agg. See also A. flabellum C. Chr.

variant :

var. asarifolium (Willd.) Cordem.; Fl. Réunion (E. J. de Cordemoy): 45 (1895)

Distribution: Mauritius; La Réunion

29 MAU REU

Remarks: possibly to be treated at full species level. A record from South Africa remains doubtful

Synonyms: hidden

= Adiantum asarifolium Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 427 (1810)

= Adiantum reniforme var. asarifolium (Willd.) Sim; Ferns S. Afr. [Sim], ed. 2: 240, t. 118, fig. 1 (1915), isonym

= Adiantum reniforme subsp. asarifolium (Willd.) C.Chr.; Index Fil. [T. Moore] 23 (1905)

= Adiantum reniforme var. hydrocotyloides Cordem.; Fl. Réunion (E. J. de Cordemoy): 45 (1895)

subspecies :

subsp. pusillum (Bolle) Rivas Mart.; Itinera Geobot. 15(2): 697 (2002)

Distribution: Madeira (Madeira Isl.); Canary Isl. (Gran Canaria, Tenerife, La Gomera, Hierro, La Palma Isl.)

21 CNY MDR

Synonyms: hidden

= Adiantum reniforme var. pusillum Bolle; Z. Allg. Erdk. 14: 300 (1863)

species :

Adiantum reptans A.Rojas; Mét. Ecol. Sist. 2(2): 6 (2007)

Distribution: Costa Rica

80 COS

species :

Adiantum rhizophorum Sw.; Syn. Fil. [Swartz] 320, 422 (1806)

Distribution: Mauritius; La Réunion; Rodrigues

29 MAU REU ROD

Synonyms: hidden

= Adiantum caudatum var. rhizophorum (Sw.) C.B.Clarke; Trans. Linn. Soc. London, Bot., ser. 2, 1: 453 (1880)

species :

Adiantum rhizophytum Schrad.; Gött. Gel. Anz. 872 (1824)

Distribution: Brazil (Bahia, Espírito Santo, Goiás, Minas Gerais, São Paulo)

84 BRA

Remarks: philippense agg.

Synonyms: hidden

= Adiantum amelianum Glaziou ex Baker; J. Bot. 20: 309 (1882)

= Adiantum rhizophyllum C.Presl; Tent. Pterid. 157 (1836)

= Adiantum caudatum var. rhizophytum (Schrad.) Baker; Fl. Bras. [Martius] 1(2): 363 (1870)

species :

Adiantum rivulare Boudrie & J.Prado; Amer. Fern J. 107(2): 92 (2017)

Distribution: Guyana; French Guiana

82 FRG GUY

species :

Adiantum roborowskii Maxim.; Mél. biol. 11: 867 (1883)

Distribution: China (Gansu, Guizhou, Qinghai, Shaanxi, Sichuan)

36 CHI

variant :

var. faberi (Baker) Y.X.Lin & J.Prado; Fl. China 2-3: 249 (2013)

Distribution: China (Hubei, Sichuan); Taiwan

36 CHI 38 TAI

Synonyms: hidden

= Adiantum faberi Baker; J. Bot. 26: 225 (1888)

= Adiantum roborowskii var. faberi (Baker) Y.X.Lin; Fl. Reipubl. Popularis Sin. [Fl. China Ed. Committee] 3(2): 212 (1990)

species :

Adiantum rodriguezii J.Prado, R.Y.Hirai & Sundue; Amer. Fern J. 113(4): 254 (2023)

Distribution: Chile (Valparaíso, Metropolitana de Santiago)

85 CLE

species :

Adiantum rondonii Samp.; Relat. Commiss. Linhas Telegr. Estratég. Matto Grosso Amazonas 5, Bot., pt. 7: 13, t. 1, f. 2 (1916)

Distribution: Brazil (Mato Grosso)

84 BRA

Remarks: provisionally accepted name

species :

Adiantum ruizianum Klotzsch; Linnaea 18: 551 (1844)

Distribution: Peru; Bolivia (Cochabamba)

83 BOL PER

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

Conservation Status: IUCN I

Synonyms: hidden

= Adiantum microsorum C.Chr.; Index Filic. 30 (1905), nom. illeg. superfl. for Adiantum veitchianum

= Adiantum steerei Harr.; J. Linn. Soc., Bot. 16: 34 (1877)

= Adiantum veitchianum T.Moore; Gard. Chron. 1090 (1868) (non Adiantum veitchii Hance (1861))

species :

Adiantum scalare R.M.Tryon; Amer. Fern J. 47: 141, t. 15(A) (1957)

Distribution: Ecuador; Peru; Bolivia (La Paz); Brazil (Acre)

83 BOL ECU PER 84 BRA

Remarks: phyllitidis agg.

Conservation Status: IUCN I

species :

Adiantum schweinfurthii Kuhn; Sitzungsber. Ges. Naturf. Freunde Berlin 40: 40 (1869)

Distribution: Senegal; Guinea; Mali; Burkina Faso; Togo; Nigeria; Cameroon; Central African Republic; D.R.Congo [Zaire]; Chad; Sudan; Sudan; Tanzania; Angola

22 BKN GUI MLI NGA SEN TOG 23 CAF CMN ZAI 24 CHA SUD 25 TAN 26 ANG

Synonyms: hidden

= Adiantum chevalieri Christ; Mém. Soc. Bot. France 8b: 105 (1908)

species :

Adiantum seemannii Hook.; Sp. Fil. [W. J. Hooker] 2: 6, t. 81a (1851)

Distribution: Mexico (Chiapas); Guatemala; Honduras; Nicaragua; Costa Rica; Panama; Colombia (Antioquia, Chocó)

79 MEX 80 COS GUA HON NIC PAN 82 CLM

Remarks: platyphyllum agg.

Synonyms: hidden

= Adiantum zahnii H.J.Veitch; Florist & Pomol. 27: 158 (1874)

species :

Adiantum semiorbiculatum Bonap.; Notes Ptéridol. 13: 105 (1921)

Distribution: Vietnam

41 VIE

species :

Adiantum sericeum D.C.Eaton; Bot. Zeitung (Berlin) 361 (1869)

Distribution: Cuba

81 CUB

Remarks: capillus-veneris agg.

species :

Adiantum serratifolium Alderw.; Bull. Jard. Bot. Buitenzorg, sér. 2, 7: 1 (1912)

Distribution: Borneo; Sulawesi

42 BOR SUL

Synonyms: hidden

= Adiantum halleri Rosenst.; Meded. Rijks-Herb. no. 31: 1 (1917)

species :

Adiantum serratodentatum Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 445 (1810)

Distribution: Costa Rica; Panama; Trinidad; Colombia (Antioquia, Cundinamarca, Huila, Meta, Norte de Santander, Vichada); Venezuela (Amazonas, Anzoategui, Apure, Aragua, Barinas, Bolívar, Lara, Miranda, Monagas, Portuguesa, Sucre); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (Beni, La Paz); Brazil (Amazonas, Amapá, Bahia, Goiás, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Pará, Pernambuco, Paraná, Rio de Janeiro, Roraima, São Paulo); Paraguay (Amambay, Canindeyu, Concepcion, Cordillera, Pres. Hayes, San Pedro); Argentina (Corrientes)

80 COS PAN 81 TRT 82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA 85 ARG PAR

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum bonplandii Desv.; Mem. Soc. Linn. Paris 6(2): 309 (1827)

= Adiantum cassioides Desv.; Mem. Soc. Linn. Paris 6(2): 309 (1827)

= Adiantum jacobinae Fée; Mém. Foug. 5 (Gen. Filic.): 115 (1852)

= Adiantum kunzei Miq.; Verslagen Meded. Vier Kl. Kon. Ned. Inst. Wetensch. Letterk. Schoone Kunsten 1843: 189 (1843)

= Adiantum nervosum Kuhn; Jahrb. Königl. Bot. Gart. Berlin 1: 342 (1881)

= Adiantum obtusum Desv.; Mag. Neuesten Entdeck. Gesammten Naturk. Ges. Naturf. Freunde Berlin 5: 327 (1811)

= Adiantum obtusum var. kunzei (Miq.) Baker; Syn. Fil. [W. J. Hooker & Baker] 119 (1867)

= Adiantum obtusum var. majus T.Moore; Index Fil. [T. Moore] 32 (1857)

= Adiantum obtusum var. microphyllum Fée; Crypt. Vasc. Brésil 1: 38 (1869)

= Adiantum proximum Gaudich.; Voy. Uranie [Freycinet], Bot. 403 (1829)

= Adiantum rhomboideum Kunth; Nov. Gen. Sp. [H. B. K.] 1: 20 (1816)

= Adiantum rhomboideum var. laxum Klotzsch; Linnaea 18: 551 (1845)

= Adiantum rhomboideum var. strictum Klotzsch; Linnaea 18: 551 (1845)

= Adiantum rigidum C.Presl; Tent. Pterid. 158 (1836)

= Adiantum serratodentatum var. kunzei (Miq.) Farw.; Amer. Midl. Naturalist 12: 287 (1931)

species :

Adiantum shastense Huiet & A.R.Sm.; PhytoKeys 53: 74 (2015)

Distribution: USA (California)

76 USA

species :

Adiantum shepherdii Hook.; Sp. Fil. [W. J. Hooker] 2: 9, t. 73 B (1851)

Distribution: Mexico (Guerrero, Jalisco, Mexico State, Michoacan)

79 MEX

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

species :

Adiantum siamense Tagawa & K.Iwats.; Acta Phytotax. Geobot. 25: 20 (1971)

Distribution: peninsular Thailand (Nakhon Si Thammarat, Krabi)

41 THA

Conservation Status: EN in Thailand

species :

Adiantum silvaticum Tind.; Contr. New South Wales Natl. Herb. 3: 246, t. 8 (1963)

Distribution: Australia (Australian Capital Territory, E-Queensland, New South Wales)

50 AUS

Synonyms: hidden

= Adiantum affine var. intermedium Benth.; Fl. Austral. 7: ? (1878)

= Adiantum cunninghamii var. intermedium (Benth.) Tindale; Amer. Fern J. 50: 121 (1960)

species :

Adiantum sinuosum Gardner; Hooker´s Icon. Pl. t. 504 (1843)

Distribution: Bolivia (Santa Cruz); Brazil (Brasilia Distrito Federal, Goiás, Minas Gerais, Mato Grosso, Tocantins)

83 BOL 84 BRA

Remarks: patens agg.

Synonyms: hidden

= Adiantum pensile Kunze; Fée, Mém. Foug. 5 (Gen. Filic.): 114 (1850)

= Adiantum sinuosum var. minus T.Moore; Index Fil. [T. Moore] 38 (1857)

species :

Adiantum soboliferum Wall. ex Hook.; Sp. Fil. [W. J. Hooker] 2: 13 (1851)

Distribution: Ghana; Bioko Isl. [Fernando Poo]; São Tomé; Annobon Isl.; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; Chad; Uganda; Tanzania; Angola; Mozambique; Madagascar; Comores (Mayotte); China (Guangdong, Guangxi, Hainan, N-Yunnan); Taiwan; India (Assam State, Kerala, Nagaland); Myanmar; Thailand (widespread); Laos; Cambodia; Vietnam; peninsular Malaysia; Sulawesi; Palawan; Philippines; Lesser Sunda Isl. (Bali, Flores, Timor)

22 GHA 23 ANN BIO CAF CON SAO ZAI 24 CHA 25 TAN UGA 26 ANG MOZ 29 COM MDG 36 CHI 38 TAI 40 IND 41 CBD LAO MYA THA VIE 42 LSI MLY PHI PLW SUL

Conservation Status: IUCN CR for India (Fraser-Jenkins 2012)

Synonyms: hidden

= Adiantum alatum Copel.; Perkins, Fragm. Fl. Philipp. 192 (1905)

= Adiantum balansae Baker; J. Bot. 28: 263 (1890)

= Adiantum caudatum var. soboliferum (Wall. ex Hook.) Bedd.; Ferns Brit. India 84 (1883)

= Adiantum incisum var. soboliferum Bedd.; Ferns Brit. India t. 19 (1865)

= Adiantum lunulatum Ogata; Icon. Fil. Jap. 2: t. 53 (1929)

= Adiantum lunulatum var. mettenii (Kuhn ex Hook. & Baker) Bedd.; Suppl. Ferns S. Ind. 6, t. 354 (1876), et Ferns Brit. India 83 (1883)

= Adiantum mettenii Kuhn; Filic. Afr. 65 (1868) (nomen), et Jahrb. Königl. Bot. Gart. Berlin 1: 338 (1881)

= Adiantum mettenii Kuhn ex Hook. & Baker; Syn. Fil. [W. J. Hooker & Baker], ed. 2: 472 (1874)

= Adiantum soboliferum Wall.; Numer. List. [Wallich] no. 74 (1829), nomen

species :

Adiantum solomonii J.Prado; Brittonia 58(4): 379 (2006)

Distribution: Ecuador; Bolivia (Cochabamba, La Paz, Santa Cruz)

83 BOL ECU

species :

Adiantum squamulosum J.Prado & A.R.Sm.; Amer. Fern J. 92(2): 105 (2002)

Distribution: Bolivia (Beni)

83 BOL

species :

Adiantum stenochlamys Baker; Ann. Bot. (Oxford) 6: 209 (1891)

Distribution: Andaman Isl.; peninsular Thailand; Laos; Cambodia; Vietnam; peninsular Malaysia; +Singapore; Sumatra; Borneo (Sabah); Sulawesi; Palawan; Philippines

41 AND CBD LAO THA VIE 42 BOR MLY PHI PLW SNG SUL SUM

Synonyms: hidden

= Adiantum fragiliforme C.Chr.; Bot. Tidsskr. 32: 347 (1916) [fide Fraser-Jenkins et al. (2017)]

= Adiantum opacum Copel.; Philipp. J. Sci. 1, Suppl. IV: 255, t. 3 (1906)

= Adiantum suborbiculare Alderw.; Bull. Dépt. Agric. Indes Néerl. 18: 11 (1908)

species :

Adiantum stolzii Brause; Bot. Jahrb. Syst. 68: 387 (1915)

Distribution: Tanzania

25 TAN

species :

Adiantum subcordatum Sw.; Kongl. Vetensk. Akad. Handl. 75 (1817)

Distribution: Brazil (Bahia, Espírito Santo, Minas Gerais, Rio de Janeiro, São Paulo)

84 BRA

Remarks: platyphyllum agg.

Synonyms: hidden

= Adiantum betulinum Kaulf.; Enum. Filic. [Kaulfuss] 207 (1824)

= Adiantum conicum Vell.; Fl. Flumin. 11: t. 97 (1831)

= Adiantum dilatatum Schrad.; Gött. Gel. Anz. 872 (1824)

= Adiantum klotschianum C.Presl; Tent. Pterid. 158 (1836)

= Adiantum subcordatum var. obtusum Kunze; Linnaea 22: 577 (1849)

= Adiantum truncatum Raddi; Opusc. Sci. 8: 295 (1819)

species :

Adiantum subvolubile Mett.; Kuhn, Linnaea 36: 77 (1869)

Distribution: Ecuador; Peru (Lomas); Bolivia (Cochabamba, La Paz)

83 BOL ECU PER

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

species :

Adiantum sulphureum Kaulf.; Enum. Filic. [Kaulfuss] 207 (1824)

Distribution: Argentina (Chubut, Mendoza, Neuquen, Rio Negro, Santa Cruz); Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Ñuble, Biobío, Araucanía, Los Rios, Los Lagos, Aisén)

85 ARG CLE

Synonyms: hidden

= Adiantum aethiopicum var. sulphureum (Kaulf.) Kuntze; Revis. Gen. Pl. 3(3): 376 (1898)

= Adiantum chilense var. subsulphureum (J.Rémy ex Gay) Giudici; Hickenia 2(24): 112 (1995)

= Adiantum chilense var. sulphureum (Kaulf.) Giudice; Hickenia 2(24): 112 (1995), isonym

= Adiantum chilense var. sulphureum (Kaulf.) Kuntze ex Hicken; Revista Mus. La Plata 15: 261 (1908)

= Adiantum poiretii var. sulphureum (Kaulf.) R.M.Tryon; Amer. Fern J. 47: 139 (1957)

= Adiantum subsulphureum J.Rémy ex Gay; Fl. Chil. [Gay] 6: 486 (1853)

= Adiantum sulphureum var. minus Hook.; Sp. Fil. [W. J. Hooker] 2: 44, tab. 76A1,2 (1851)

= Adiantum sulphureum var. subsulphureum (J.Rémy ex Gay) Looser; Physis (Buenos Aires) 15: 225 (1939)

= Adiantum williamsii T.Moore; Gard. Chron., ser. 2, 10: 45, f. 4 (1878)

variant :

var. majus Hook.; Sp. Fil. [W. J. Hooker] 2: 44, tab. 76A3,4 (1851)

Distribution: Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Ñuble, Biobío, Araucanía)

85 CLE

Synonyms: hidden

= Adiantum sulphureum var. cuneifolium F.Meigen; Bot. Jahrb. Syst. 17(3-4): 218 (1893)

species :

Adiantum taiwanianum Tagawa; Acta Phytotax. Geobot. 4: 93 (1935)

Distribution: Taiwan

38 TAI

Remarks: bona sp. fide by Knapp (Ferns of Taiwan, 2011 ff.)

Conservation Status: VU in Taiwan

Synonyms: hidden

= Adiantum roborowskii var. taiwanianum (Tagawa) W.C.Shieh; Quart. J. Chin. Forest. 2: 167 (1968)

species :

Adiantum tenerum Sw.; Prodr. Veg. Ind. Occ. 135 (1788)

Name: Brittle Maidenhair Fern, Fan maidenhair

Distribution: Taiwan [I]; India [I]; Andaman Isl. [I]; Solomon Isl. [I]; Vanuatu [I]; Guam [I]; Fed. States of Micronesia [I] (Pohnpei [I]); Marshall Isl.. [I] (Majuro [I]); Hawaii [I] (Maui [I]); USA (C-Florida, S-Florida); Mexico (Campeche, Chiapas, Hidalgo, Mexico State, Michoacan, Nayarit, Nuevo Leon, Oaxaca, Puebla, Queretaro, Quintana Roo, San Luis Potosi, Tabasco, Tamaulipas, Veracruz, Yucatan); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Bahamas; Cuba; Cayman Isl. (Grand Cayman); Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Navassa Isl.; Virgin Isl. (St. Croix, St. Thomas, St. John); St. Martin/St. Maarten; St. Barthélémy; Saba; St. Eustatius; Nevis; St. Kitts; Antigua; Montserrat; Guadeloupe (incl. La Désirade); Marie-Galante; Dominica; Martinique; St. Vincent; Grenada; Barbados; Trinidad; Colombia (Boyacá, Cesar, Cundinamarca, Magdalena); Venezuela (Anzoategui, Aragua, Venezuela Distrito Federal, Falcon, Lara, Merida, Miranda, Monagas, Portuguesa, Yaracuy); Brazil (Ceara)

38 tai 40 ind 41 and 43 sol 60 van 62 gum mic 63 haw 78 USA 79 MEX 80 BLZ COS ELS GUA HON NIC 81 ABA BAH BBD CAY CUB DOM GDL GRE HIS JAM MAR MTS NAV PUE SAB SBA STE STK STM STV TRT VIR 82 CLM VEN 84 BRA

Remarks: capillus-veneris agg.

Synonyms: hidden

= Adiantum assimile Link; Hort. Berol. [Link] 2: 17 (1833)

= Adiantum bessoniae Jenman; Ferns Brit. W. Ind. 96 (1899)

= Adiantum bessonianum O´Brien; Gard. Chron., ser. 3, 20: 76 (1896), nomen

= Adiantum extensum Fée; Mém. Foug. 5 (Gen. Filic.): 114 (1852) (nomen), et Mém. Foug. 8 (Icon. Esp. Nouv.): 72 (1857)

= Adiantum fergusonii T.Moore; Gard. Chron., ser. 2, 22: 360 (1884)

= Adiantum ghiesbreghtii Backh.; Gartenflora 18: 246 (1864)

= Adiantum littorale Jenman; Bull. Misc. Inform. Roy Bot. Gard. Trinidad 21(App.): 96 (1899)

= Adiantum multiforme A.Braun ex E.Fourn.; Mexic. Pl. 1: 128 (1872)

= Adiantum tenerum var. littorale (Jenman) Domin; Rozpr. Kral. Ceske Spolecn. Nauk, Tr. Mat.-Prir., n. s. 2: 141 (1929)

= Adiantum tenerum var. majus T.Moore; Index Fil. [T. Moore] 39 (1857)

= Adiantum tenerum var. minus Kunze; Linnaea 9: 83 (1834 (1835))

= Adiantum tenerum var. obtusissimum Christ; Bull. Herb. Boissier, sér. 2, 7: 266 (1907)

= Adiantum tenerum var. rotundatum T.Moore; Index Fil. [T. Moore] 39 (1857)

= Adiantum trapeziforme var. trapezoides (Fée) Baker; Fl. Bras. [Martius] 1(2): 369 (1870)

= Adiantum trapezoides Fée; Mém. Foug. 5 (Gen. Filic.): 117 (1852)

variant :

var. farleyense (T.Moore) André; Ill. Hort. 19: 64 (1872)

Distribution: +Barbados; Trinidad [I]

81 BBD trt

Synonyms: hidden

= Adiantum farleyense T.Moore; J. Roy. Hort. Soc. n. s. 1: 82 (1866)

species :

Adiantum terminatum Kunze ex Miq.; Diar. Inst. Reg. Bat. (1843)

Distribution: Mexico (Chiapas); Guatemala; Belize; Nicaragua; Costa Rica; Panama; Tobago; Trinidad; Colombia (Antioquia, Boyacá, Caquetá, Cesar, Meta, Putumayo, Vaupés); Venezuela (Amazonas, Bolívar, Tachira); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (Beni, Cochabamba, La Paz, Pando, Santa Cruz); Brazil (Acre, Alagoas, Amazonas, Amapá, Bahia, Ceará, Brasilia Distrito Federal, Espírito Santo, Goiás, Maranhão, Minas Gerais, Mato Grosso, Pará, Pernambuco, Paraná, Rio de Janeiro, Rondônia, Roraima, Rio Grande do Sul, Santa Catarina, São Paulo, Tocantins)

79 MEX 80 BLZ COS GUA NIC PAN 81 TRT 82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum hirtum Klotzsch; Linnaea 18: 563 (1844) (non Splitg (1840))

species :

Adiantum tetragonum Schrad.; Gött. Gel. Anz. 872 (1824)

Distribution: Brazil (Bahia, Minas Gerais)

84 BRA

species :

Adiantum tetraphyllum Humb. & Bonpl. ex Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 441 (1810)

Distribution: Mexico (Chiapas, Guerrero, Nayarit, Oaxaca, Puebla, Queretaro, San Luis Potosi, Tabasco, Veracruz); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Nevis; St. Kitts; Antigua; Montserrat; Guadeloupe; Marie-Galante; Dominica; Martinique; St. Lucia; St. Vincent; Grenada; Barbados; Tobago; Trinidad; Colombia (Antioquia, Boyacá, Caldas, Cauca, Chocó, Cundinamarca, Magdalena, Meta, Norte de Santander, Putumayo, Risaralda, Tolima, Valle, Vaupés); Venezuela (Amazonas, Anzoategui, Aragua, Bolívar, Carabobo, Cojedes, Delta Amacuro, Venezuela Distrito Federal, Falcon, Lara, Merida, Miranda, Nueva Esparta, Portuguesa, Sucre, Trujillo, Yaracuy, Zulia); Guyana; Surinam; French Guiana; Ecuador; Galapagos; Peru; Bolivia (Beni, Cochabamba, La Paz, Santa Cruz); Brazil (Acre, Amazonas, Amapá, Bahia, Ceará, Brasilia Distrito Federal, Espírito Santo, Goiás, Maranhão, Minas Gerais, Mato Grosso do Sul, Mato Grosso, Pará, Pernambuco, Paraná, Rio de Janeiro, Rondônia, Roraima, Santa Catarina, São Paulo, Tocantins); Paraguay (Alto Paraná, Amambay, Canindeyu, Cordillera, Guaira, Paraguari, San Pedro)

79 MEX 80 BLZ COS ELS GUA HON NIC PAN 81 ABA BBD CUB DOM GDL GRE HIS JAM MAR MTS PUE STK STL STV TRT 82 CLM FRG GUY SUR VEN 83 BOL ECU GAL PER 84 BRA 85 PAR

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum falcatum Vell.; Fl. Flumin. 11: t. 96 (1831)

= Adiantum fructuosum Poepp. ex Spreng.; Syst. Veg., ed. 16 [Sprengel] 4(1): 113 (1827) nec Kunze

= Adiantum hendersonii Linden; Ill. Hort. 20: t. 127 (1873)

= Adiantum kohautianum C.Presl; Tent. Pterid. 158 (1836)

= Adiantum lancea Baker; Fl. Bras. [Martius] 1(2): 373 (1870) (non L. (1753))

= Adiantum laxum Kunze; Linnaea 9: 79 (1834)

= Adiantum macrocarpum C.Presl; Tent. Pterid. 168 (1836)

= Adiantum pachysorum Rchb.; Kunze, Linnaea 21: 224 (1848)

= Adiantum prionophyllum Kunth; Nov. Gen. Sp. [H. B. K.] 1: 20 (1815)

= Adiantum prionophyllum var. curtum T.Moore; Index Fil. [T. Moore] 35 (1857)

= Adiantum prionophyllum var. subcoriaceum T.Moore; Index Fil. [T. Moore] 35 (1857)

= Adiantum rigidum Link; Fil. Spec. 69 (1841)

= Adiantum serrulatum Sw.; Prodr. Veg. Ind. Occ. 135 (1788) ex Keyserl., Mém. Acad. Imp. Sci. St. Pétersb. VII, 22(2): 37 (1875)

= Adiantum ternatum Humb. & Bonpl. ex Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 436 (1810)

= Adiantum tetraphyllum f. apiculatum Kuhn; Bot. Jahrb. Syst. 24(1): 94 (1897)

= Adiantum tetraphyllum f. obtusum Kuhn; Bot. Jahrb. Syst. 24(1): 94 (1897)

= Adiantum tetraphyllum var. costaricense Christ in Pittier; Prim. Fl. Costaric. 3: 19 (1901)

= Adiantum tetraphyllum var. macropterum Kunze; Bot. Zeitung (Berlin) 3: 284 (1845)

= Adiantum tetraphyllum var. microphyllum Splitg.; Tijdschr. Natuurl. Gesch. Physiol. 7: 427 (1840)

= Adiantum tetraphyllum var. obtusum Mett.; Bot. Jahrb. Syst. 24(1): 94 (1897)

= Adiantum tetraphyllum var. paucijugum Jenman; Bot. Jahrb. Syst. 24(1): 94 (1897)

= Adiantum tetraphyllum var. subsimplex Christ; Bot. Jahrb. Syst. 24(1): 95 (1897)

= Synaphlebium tetraphyllum (Humb. & Bonpl. ex Willd.) Fée; Mém. Foug. 5 (Gen. Filic.): 109 (1852)

species :

Adiantum thalictroides Willd. ex Schltdl.; Adumbr. Pl. 53 (1832)

Distribution: Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; Congo [Brazzaville]; D.R.Congo [Zaire]; Rwanda; Burundi; Sudan; Ethiopia; Eritrea; Soqotra; Uganda; Kenya; Tanzania; Angola; Zambia; Malawi; Zimbabwe; Mozambique; Namibia; South Africa (widespread, mostly East); Lesotho; Eswatini [Swaziland]; Madagascar; Comores (Mayotte); Mauritius; La Réunion; S-India (Karnataka, Kerala, Tamil Nadu); Sri Lanka; Mexico (Aguascalientes, Baja California Sur, Chiapas, Chihuahua, Coahuila, Colima, Ciudad de Mexico, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacan, Morelos, Nayarit, Nuevo Leon, Oaxaca, Puebla, Queretaro, San Luis Potosi, Sinaloa, Sonora, Tamaulipas, Tlaxcala, Veracruz, Zacatecas); Guatemala; ?El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Colombia (Boyacá, Cundinamarca, Nariño); Brazil (Rio Grande do Sul, Santa Catarina); Paraguay (Paraguari); Uruguay (Canelones, Cerro Largo, Florida Prov., Lavalleja, Maldonado, Paysandu, Tacuarembo, Trenta y Tres); Argentina (Buenos Aires, Catamarca, Cordoba, Jujuy, La Pampa, Mendoza, Misiones, Salta, San Juan, San Luis, Tucuman); Gough Isl.; Tristan da Cunha (incl. Nightingale Isl., Inaccessible Isl.)

22 NGA 23 BIO BUR CMN CON RWA ZAI 24 ERI ETH SOC SUD 25 KEN TAN UGA 26 ANG MLW MOZ ZAM ZIM 27 LES NAM SAF SWZ 29 COM MAU MDG REU 40 IND SRL 79 MEX 80 COS GUA HON NIC PAN 82 CLM 84 BRA 85 ARG PAR URU 91 TDC

Synonyms: hidden

= Adiantum crenatum var. glaucescens Mett. ex Kuhn; Abh. Naturf. Ges. Halle 11: 29 (1869)

= Adiantum pellucidum M.Martens & Galeotti; Mem. Foug. 9 (Cat. Foug. Mex.): 72 t. 19. (1842)

= Adiantum poiretii var. glaucescens (Mett.) Crabbe; Brit. Fern Gaz. 9: 312 (1967)

= Adiantum thalictroides Willd. ex Kunze; Linnaea 10: 530 (1836)

form :

f. bottinoi Giudice & M.L.Nieto; Revista Mus. La Plata, Secc. Bot. 14(99): 229 (1994)

Distribution: Argentina (Buenos Aires, Cordoba, La Pampa, Mendoza, Tucuman)

85 ARG

Synonyms: hidden

= Adiantum poiretii f. bottinoi (Giudice & M.L.Nieto) Giudice; Fl. Vasc. Argent. 2: 337 (2016)

species :

Adiantum thongthamii Suksathan; Amer. Fern J. 94(2): 77 (2004)

Distribution: SE-Thailand

41 THA

Conservation Status: VU in Thailand

species :

Adiantum tibeticum Ching & Y.X.Lin; Acta Phytotax. Sin. 18(1): 104 (1980)

Distribution: E-Afghanistan; China (N-Yunnan); Tibet; Pakistan; Nepal; Bhutan; India (Jammu & Kashmir, Himachal Pradesh, Sikkim, Uttarakhand, West Bengal)

34 AFG 36 CHI TIB 40 BHU IND NEP PAK

Synonyms: hidden

= Adiantum tibeticum Ching; Fl. Xizangica 1: 95 (1983)

= Adiantum venustum subsp. tibeticum (Ching & Y.X.Lin) Khullar; J. Indian Bot. Soc. 88(3-4): 196 (2009), et Indian Fern J. 26(1-2): 82 (2009 publ. 2010)

species :

Adiantum tinctum T.Moore; Gard. Chron. 1862: 932 (1862)

Distribution: Colombia; Venezuela; Ecuador; Peru; Bolivia

82 CLM VEN 83 BOL ECU PER

Remarks: raddianum agg. See Hirai & Prado (2019) for details of the raddianum group

Synonyms: hidden

= Adiantum colpodes T.Moore; Gard. Chron. 1865: 530 (1865)

= Adiantum concinnum var. integrum T.Moore; Index Fil. [T. Moore] 23 (1857)

= Adiantum tinctum var. wagneri (Mett.) Farw.; Amer. Midl. Naturalist 12: 288 (1931)

= Adiantum wagneri Mett. ex Kuhn; Linnaea 36(1): 77 (1869)

species :

Adiantum tomentosum Klotzsch; Linnaea 18: 553 (1844)

Distribution: Colombia (Amazonas, Antioquia, Caquetá, Huila, Meta, Putumayo, Santander, Vaupés); Venezuela (Amazonas, Bolívar); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (Beni, La Paz, Pando); Brazil (Acre, Amazonas, Amapá, Mato Grosso, Pará, Rondônia)

82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum klotzschianum Hook.; Sp. Fil. [W. J. Hooker] 2: 21, t. 82 C (1851)

species :

Adiantum trapeziforme L.; Sp. Pl. 2: 1097 (1753)

Name: Diamond maidenhair

Distribution: India [I]; Sri Lanka [I]; Fiji [I]; Marquesas Isl. [I] (Ua Pou [I], Hiva Oa [I], Tahuata [I], Fatu Hiva [I]); Society Isl. [I] (Moorea [I]); USA [I] (Florida [I]); Mexico (Chiapas, Colima, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacan, Nayarit, Nuevo Leon, Oaxaca, Puebla, Queretaro, San Luis Potosi, Tabasco, Tamaulipas, Veracruz); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Cuba; Jamaica; Trinidad

40 ind srl 60 fij 61 mrq sci 78 usa 79 MEX 80 BLZ COS ELS GUA HON NIC 81 CUB JAM TRT

Remarks: pectinatum agg.

Synonyms: hidden

= Adiantum cultratum J.Sm. ex Hook.; Sp. Fil. [W. J. Hooker] 2: 34 (1851) (non Willd. (1794))

= Adiantum eminens C.Presl; Tent. Pterid. 158 (1836)

= Adiantum formosissimum Klotzsch; Linnaea 18: 456 (1844)

= Adiantum rhomboideum Schkuhr; Deutschl. Krypt. Gew. 1: 114, t. 122 (1809)

= Adiantum schmalzii Rosenst.; Repert. Spec. Nov. Regni Veg. 8: 277 (1910)

= Adiantum trapeziforme var. catharinae Regel; Index Sem. (LE, Petropolitanus) 1866: 73 (1867)

= Adiantum trapeziforme var. cultratum (J.Sm. ex Hook.) Baker; Syn. Fil. [W. J. Hooker & Baker] 118 (1867)

= Adiantum trapeziforme var. incisum Christ; Schwacke, Pl. Nov. Mineir. 2: 22 (1900)

= Adiantum trapeziforme var. oblongatum T.Moore; Index Fil. [T. Moore] 40 (1857)

species :

Adiantum trichochlaenum Mickel & Beitel; Mem. New York Bot. Gard. 46 [Pterid. Fl. Oaxaca]: 29 (1988)

Distribution: Mexico (Chiapas, Oaxaca, Guerrero); El Salvador; Nicaragua

79 MEX 80 ELS NIC

Remarks: tetraphyllum agg.

species :

Adiantum tricholepis Fée; Mém. Foug. 8 (Icon. Esp. Nouv.): 72 (1857)

Name: Hairy Maidenhair Fern, Fuzzy maidenhair

Distribution: USA (SC-Texas: Bandera Co., Medina Co.); Mexico (Campeche, Chiapas, Chihuahua, Coahuila, Colima, Durango, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacan, Morelos, Nayarit, Nuevo Leon, Oaxaca, Puebla, Queretaro, Quintana Roo, San Luis Potosi, Sinaloa, Sonora, Tabasco, Tamaulipas, Veracruz, Yucatan, Zacatecas); Guatemala; Belize; Honduras

75 USA 77 USA 79 MEX 80 BLZ GUA HON

Remarks: capillus-veneris agg.

Synonyms: hidden

= Adiantum chilense var. pilosulum Liebm.; Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afd., ser. 5, 1: 115 [reprint page] (1849)

= Adiantum fragile var. pubescens M.Martens & Galeotti; Mem. Foug. 9 (Cat. Foug. Mex.): 72 (1842)

= Adiantum tricholepis var. glabrum Clute; Fern Bull. 12: 44 (1904)

species :

Adiantum tripteris K.U.Kramer; Acta Bot. Neerl. 18: 138, f.1 (1969)

Distribution: Surinam

82 SUR

species :

Adiantum tryonii J.Prado; Brittonia 58(4): 381 (2006)

Distribution: Peru

83 PER

species :

Adiantum tuomistoanum J.Prado; Brittonia 58(4): 384 (2006)

Distribution: Peru; Bolivia (La Paz)

83 BOL PER

species :

Adiantum urophyllum Hook.; Sp. Fil. [W. J. Hooker] 2: 24, t. 84B (1851)

Distribution: Honduras; Nicaragua; Costa Rica; Panama; Colombia (Amazonas, Cauca, Chocó, Nariño, Valle); Ecuador; Peru

80 COS HON NIC PAN 82 CLM 83 ECU PER

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum ceciliae Alston; Lilloa 30: 109, t. 4-5 (1960)

= Adiantum kalbreyeri C.Chr.; Index Filic. 28 (1905)

= Adiantum orosiense Christ; Repert. Spec. Nov. Regni Veg. 8: 17 (1910)

= Adiantum pilosum Baker; Ann. Bot. (Oxford) 6: 207 (1891) (non Fée (1850))

species :

Adiantum venustum D.Don; Prodr. Fl. Nepal. 17 (1825)

Name: Hardy maidenhair, Evergreen maidenhair

Distribution: China (Gansu, Hebei, Qinghai, Shaanxi, Shanxi, Yunnan); Tibet; Pakistan (Chitral, Swat, Murree, Hazara); Nepal; Bhutan; India (Jammu & Kashmir, ?Arunachal Pradesh, Himachal Pradesh, Nagaland, Sikkim, Uttar Pradesh, Uttarakhand); Bangladesh; Myanmar

36 CHI TIB 40 BAN BHU IND NEP PAK 41 MYA

Remarks: A. fimbriatum included here by Fraser-Jenkins (2008 and 2015), but kept separate by Flora of China

Synonyms: hidden

= Adiantum argutum C.Presl ex Ettingsh.; Farnkr. Jetztw. [Ettingshausen]: 80 (1865 publ. 1864), nom. illeg., non Splitg.

= Adiantum breviserratum (Ching) Ching & Y.X.Lin; Acta Phytotax. Sin. 18(1): 104 (1980)

= Adiantum fimbriatum Christ; Mém. Soc. Bot. France 1 [Hist. Acrostich.]: 62 (1905) (fide Fraser-Jenkins et al. 2015)

= Adiantum fimbriatum var. shensiense (Ching) Ching & Y.X.Lin; Fl. Reipubl. Popularis Sin. [Fl. China Ed. Committee] 3(1): 207 (1990) (fide Fraser-Jenkins et al. 2015)

= Adiantum microphyllum Roxb.; Calcutta J. Nat. Hist. 4: 513 (1844) non Sw. 1788 nec al.

= Adiantum pseudobonatianum Ching; Y. L. Chang et al., Sporae Pterid. Sin. 174, t. 35, 15 (1976), nom. nud. (fide Fraser-Jenkins et al. 2015)

= Adiantum smithianum (C.Chr.) Ching; Acta Phytotax. Sin. 6: 335 (1957) (fide Fraser-Jenkins et al. 2015)

= Adiantum smithianum var. shensiense Ching; Acta Phytotax. Sin. 6: 336-337 (1957) (fide Fraser-Jenkins et al. 2015)

= Adiantum venustum var. breviserratum Ching; Acta Phytotax. Sin. 6: 335 (1957)

= Adiantum venustum var. smithianum C.Chr.; Acta Horti Gothob. 1: 93 (1924) (fide Fraser-Jenkins et al. 2015)

= Adiantum venustum var. wuliangense Ching & Y.X.Lin; Acta Phytotax. Sin. 18(1): 104 (1980)

species :

Adiantum villosissimum Mett.; Kuhn, Linnaea 36: 73 (1869)

Distribution: Bolivia (Beni, La Paz)

83 BOL

species :

Adiantum villosum L.; Syst. Nat. ed. X, 2: 1328 (1769)

Name: Woolly maidenhair

Distribution: USA (Florida); Mexico (Campeche, Chiapas, Guerrero, Oaxaca, Quintana Roo, Tabasco, Veracruz); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Virgin Isl. (Tortola, St. Croix, St. Thomas); St. Kitts; Antigua; Montserrat; Guadeloupe; Dominica; Martinique; St. Lucia; Grenadines (Bequia Isl.); St. Vincent; Grenada; Trinidad; Colombia (La Guajira, Magdalena, Nariño); Venezuela (Aragua, Falcon, Lara, Merida, Monagas, Portuguesa, Yaracuy, Zulia); French Guiana?; Ecuador; Galapagos; Brazil (Bahia, Ceará, Espírito Santo, Pará, Pernambuco, Rio de Janeiro)

78 USA 79 MEX 80 BLZ COS ELS GUA HON NIC PAN 81 ABA CUB DOM GDL GRE HIS JAM MAR MTS PUE STK STL STV TRT VIR 82 CLM VEN 83 ECU GAL 84 BRA

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum acuminatum Desv.; Mag. Neuesten Entdeck. Gesammten Naturk. Ges. Naturf. Freunde Berlin 5: 327 (1811)

= Adiantum falcatum Sw.; J. Bot. (Schrader) 1800(2): 82 (1801)

= Adiantum lanceolatum Fée; Mém. Foug. 5 (Gen. Filic.): 115 (1852)

= Adiantum oblique-truncatum Fée; Mém. Foug. 11 (Hist. Foug. Antil.): 18, t. 7 t 2 (1866)

= Adiantum villosum var. falcatum (Sw.) T.Moore; Index Fil. [T. Moore] 42 (1857)

= Adiantum villosum var. macrosorum T.Moore; Index Fil. [T. Moore] 42 (1857)

species :

Adiantum viridescens Colenso; Trans. & Proc. New Zealand Inst. 27: 400 (1895)

Distribution: New Zealand (North Isl., South Isl.)

51 NZL

Remarks: pectinatum agg.

species :

Adiantum viridimontanum C.A.Paris; Rhodora 93: 108 (1991)

Name: Green Mountain Maidenhair (EN)

Distribution: E-Canada (Québec); NE-USA (NC-Vermont, Maine)

72 CDN 75 USA 76 USA

Remarks: a fertile allotetraploid derived from Adiantum aleuticum x pedatum

Conservation Status: IUCN E, I (Québec), V (Vermont)

Synonyms: hidden

= Adiantum pedatum subsp. viridimontanum (C.A.Paris) Fraser-Jenk.; Ferns Fern Allies Nepal 1: 213 (2015)

species :

Adiantum viscosum A.Cádiz-Véliz & A.E.Villarroel; Phytotaxa 599(3): 185 (2023)

Distribution: Chile (Valparaíso)

85 CLE

species :

Adiantum vogelii Mett. ex Keyserl.; Mém. Acad. Imp. Sci. St. Pétersb. VII, 22(1): 8, 31 (1875)

Distribution: Senegal; Guinea; Sierra Leone; Liberia; Ivory Coast; Ghana; Togo; Benin; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; Principe Isl.; Equatorial Guinea (Rio Muni); Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; Uganda; Tanzania; Zanzibar; Angola

22 BEN GHA GUI IVO LBR NGA SEN SIE TOG 23 BIO CAF CMN CON EQG GAB PRI ZAI 25 TAN UGA 26 ANG

Remarks: tetraphyllum agg.

Synonyms: hidden

= Adiantum tetraphyllum var. tenerum Sadeb.; Jahrb. Hamburg. Wiss. Anst. 14, Beih. 3 (1897)

= Adiantum tetraphyllum var. vogelii (Mett. ex Keyserl.) Mett. ex De Wild.; Bull. Jard. Bot. État. Bruxelles 4: 35 (1914)

= Adiantum tetraphyllum var. vogelii (Mett.) Bonap.; Notes Ptéridol. 1: 105 (1915), isonym

= Adiantum vogelii Mett.; Fil. Afr. [Kuhn] 66 (1868), nomen

species :

Adiantum wattii (Bedd.) Baker; J. Linn. Soc., Bot. 18: 381, t. 14, f. A (1881)

Distribution: China (Guizhou, Hubei, Hunan, Shaanxi, Sichuan, Yunnan, Zhejiang); Tibet; India (Arunachal Pradesh, Himachal Pradesh, Sikkim, Uttarakhand); Bangladesh; Myanmar

36 CHI TIB 40 BAN IND 41 MYA

Remarks: A. refractum included here by Fraser-Jenkins (2008 and 2015), but kept separate by Flora of China

Synonyms: hidden

= Adiantum capillus-veneris var. wattii (Baker) Bedd.; Ferns Brit. India 18 (1892)

= Adiantum delavayi Christ; Mém. Soc. Bot. France 1 [Hist. Acrostich.]: 63 (1905)

= Adiantum edentulum Christ; Mém. Soc. Bot. France 1 [Hist. Acrostich.]: 63 (1905)

= Adiantum edentulum f. muticum (Ching) Y.X.Ling; Fl. Reipubl. Popularis Sin. [Fl. China Ed. Committee] 3(1): 214 (1990) (fide Fraser-Jenkins 2008)

= Adiantum edentulum f. refractum (Christ) Y.X.Ling; Fl. Reipubl. Popularis Sin. [Fl. China Ed. Committee] 3(1): 214 (1990)

= Adiantum levingei Baker; Ann. Bot. (Oxford) 5: 207 (1891) (fide Fraser-Jenkins 2008)

= Adiantum muticum Ching; Bull. Fan Mem. Inst. Biol. Bot., ser. 2, 1: 268 (1949) (fide Fraser-Jenkins 2008)

= Adiantum refractum Christ; Bull. Acad. Int. Géogr. Bot. 224 (1902)

= Adiantum subemarginatum Christ; Bull. Herb. Boissier, sér. 2, 3(6): 511 (1903)

= Adiantum veneris var. sinuatum Christ; Mém. Soc. Bot. France 1 [Hist. Acrostich.]: 62 (1905)

species :

Adiantum weatherbyanum Espinosa; Bol. Mus. Nac. Hist. Nat. Santiago de Chile 16: 93, f. 1, t. 1, 5 (f, i-l) 6(m-o) (1937)

Distribution: Chile (Antofagasta, Coquimbo)

85 CLE

Remarks: poiretii agg.; bona sp. fide Prado et al. 2023

species :

Adiantum wilesianum Hook.; Sp. Fil. [W. J. Hooker] 2: 50, t. 83 C (1851)

Distribution: Mexico (Chiapas, Hidalgo, Oaxaca, San Luis Potosi, Tabasco, Veracruz); Guatemala; Belize; Honduras; Nicaragua; Jamaica

79 MEX 80 BLZ GUA HON NIC 81 JAM

Remarks: pectinatum agg.

Synonyms: hidden

= Adiantum crenatum Baker; Syn. Fil. [W. J. Hooker & Baker] 120 (1867)

species :

Adiantum wilsonii (Fée) Hook.; Sp. 2: 6, t. 72 A (1861)

Distribution: Mexico (Chiapas, Oaxaca, Veracruz); Guatemala; Belize; Honduras; Nicaragua; Costa Rica; Panama; Cuba; Jamaica; Hispaniola (Haiti, Dominican Republic); Puerto Rico; Colombia (Antioquia, Chocó, Santander); Ecuador

79 MEX 80 BLZ COS GUA HON NIC PAN 81 CUB HIS JAM PUE 82 CLM 83 ECU

Remarks: phyllitidis agg.

Synonyms: hidden

= Adiantum wilsonii var. semicordatum Rosenst.; Repert. Spec. Nov. Regni Veg. 22: 6 (1925)

= Hewardia wilsonii Fée; Mém. Foug. 5 (Gen. Filic.): 122 (1852)

species :

Adiantum windischii J.Prado; Kew Bull. 60(1): 119 (2005)

Distribution: Bolivia (Beni, Cochabamba, Pando, Santa Cruz); Brazil (Acre, Amazonas, Bahia, Espírito Santo, Minas Gerais, Mato Grosso, Pará, Pernambuco, São Paulo); Paraguay (Canindeyu)

83 BOL 84 BRA 85 PAR

species :

Adiantum zollingeri Mett. ex Kuhn; Ann. Mus. Bot. Lugduno-Batavi 4: 280 (1869)

Distribution: S-India (Karnataka, Kerala, Tamil Nadu); Sri Lanka; Bangladesh; Thailand (widespread); Laos; Vietnam; peninsular Malaysia (Perlis, Kedah); Sulawesi; Java

40 BAN IND SRL 41 LAO THA VIE 42 JAW MLY SUL

Synonyms: hidden

= Adiantum annamense Ching; Acta Phytotax. Sin. 6: 315 (1957)

= Adiantum caudatum var. subglabrum Holttum; Fl. Malaya 2: 600 (1955)

= Adiantum nagnam B.K.Nayar & Geev.; Fern Fl. Malabar: 143 (1993) (fide Fraser-Jenkins 2008)

species :

Adiantum ×ailaoshanense Y.H.Yan & Ying Wang; Phytotaxa 236(3): 267 (2015)

Distribution: China (Yunnan)

36 CHI

Remarks: Adiantum menglianense x sinicum

species :

Adiantum ×janzenianum A.Rojas & C.Herrera; Brenesia 78: 1, figs. 1-3 (2013)

Distribution: Costa Rica

80 COS

Remarks: Adiantum concinnum x deflectens

species :

Adiantum ×moranii J.Prado; Kew Bull. 60(1): 117 (2005)

Distribution: Brazil (Amazonas, Pernambuco)

84 BRA

Remarks: Adiantum petiolatum x humile

species :

Adiantum ×spurium Jermy & T.G.Walker; Fern Gaz. 13(3): 188 (1987), nom. nov.

Distribution: Trinidad

81 TRT

Remarks: Adiantum lucidum x villosum

Synonyms: hidden

= Adiantum ×villosolucidum Jermy & T.G.Walker; Bull. Brit. Mus. (Nat. Hist.), Bot. 13(2): 256 (1985) (contrary to Art. 32 ICBN 1983)

species :

Adiantum ×tracyi C.C.Hall ex Wagner; Madroño 13: 198, f. 1, 2B, 3B (1956)

Distribution: USA (N-California)

76 USA

Remarks: Adiantum aleuticum x jordanii

species :

Adiantum ×variopinnatum Jermy & T.G.Walker; Bull. Brit. Mus. (Nat. Hist.), Bot. 13(2): 254 (1985)

Distribution: Trinidad

81 TRT

Remarks: Adiantum latifolium x petiolatum

species :

Adiantum ×vivesii Proctor; Mem. New York Bot. Gard. 53: 140 (1989), pro sp.

Distribution: Puerto Rico

81 PUE

Remarks: Adiantum obliquum x tetraphyllum, known from one large clonal and sterile population and a single record 2003.

Conservation Status: Has recently been delisted from red data books because of the status as hybrid

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A complete, synonymic checklist of the Higher Plants of the World

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Genus (61)

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A complete, synonymic checklist of the Higher Plants of the World

Version 24.12 (December 15th, 2024)

Covering 355,696 accepted species,
8,716 hybrids, 47,863 accepted infraspecific taxa and 1,001,068 synonyms,
in total 1,413,403* names

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

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 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life

Contact

How to Cite:

Search

+ Family

Filter

Order

Family (28)

Genus (61)

Display options

A complete, synonymic checklist of the Higher Plants of the World

Version 24.12 (December 15th, 2024)

Covering 355,696 accepted species, 8,716 hybrids, 47,863 accepted infraspecific taxa and 1,001,068 synonyms, in total 1,413,403* names

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

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 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life

Covering 355,696 accepted species,
8,716 hybrids, 47,863 accepted infraspecific taxa and 1,001,068 synonyms,
in total 1,413,403* names

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