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Adiantum capillus-veneris 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Polypodiopsida Polypodiales Pteridaceae

Scientific Name: Adiantum capillus-veneris
Species Authority: L.
Regional Assessments:
Common Name(s):
English Maidenhair Fern, Southern Maidenhair, Venushair, Venus' Hair-fern
French Capillaire cheveu-de-Vénus, Capillaire de Montpellier, Cheveu-de-venus
Synonym(s):
Adiantum capillus Sw.
Adiantum coriandrifolium Lam.
Adiantum fontanum Salisb.
Adiantum marginatum Schrad.
Adiantum paradiseae Bak.
Adiantum pseudocapillus Fee
Adiantum trifidum C.Bolle
Taxonomic Source(s): Christenhusz, M.J.M., Zhang, X.C. and Schneider, H. 2011. A linear sequence of extant families and genera of lycophytes and ferns. Phytotaxa 19: 7-54.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2013
Date Assessed: 2012-03-23
Assessor(s): Lansdown, R.V. & Bilz, M.
Reviewer(s): García, N. & Tognelli, M.
Contributor(s): Rhazi, L., Hugot, L., Foggi, B., Knees, S.G., Patzelt, A., Neale, S. & Williams, L.
Justification:
This species is widespread and abundant throughout most of its known range and not vulnerable to any known threats, it is therefore listed as of Least Concern.

Geographic Range [top]

Range Description:This species has a sub-cosmopolitan distribution, occurring on all continents except the Antarctic, including temperate and tropical Asia, Macronesia, throughout Africa, including Madagascar and the Mascarene Islands, Australia (where it is apparently considered to be native), New Zealand (where it is considered to be introduced) and the Americas from Canada south to Venezuela.
Countries occurrence:
Native:
Afghanistan; Albania; Algeria; Angola (Angola); Australia (New South Wales, Northern Territory, Queensland, South Australia, Victoria, Western Australia); Bahamas; Bahrain; Barbados; Belize; Bosnia and Herzegovina; Botswana; Brazil; Bulgaria; Canada (British Columbia); Cape Verde; Chad; Chile; China (Fujian, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Shaanxi, Shanxi, Sichuan, Yunnan); Colombia; Comoros; Congo; Croatia; Cuba; Cyprus; Djibouti; Dominica; Dominican Republic; Egypt (Egypt (African part), Sinai); Ethiopia; France (Corsica, France (mainland)); French Polynesia (Society Is., Tubuai Is.); Georgia; Greece (East Aegean Is., Greece (mainland), Kriti); Guatemala; Honduras; India (Himachal Pradesh, Jammu-Kashmir, Uttar Pradesh); Iran, Islamic Republic of; Iraq; Ireland; Isle of Man; Israel; Italy (Italy (mainland), Sardegna, Sicilia); Jamaica; Japan (Nansei-shoto); Jersey; Kazakhstan; Kenya; Lebanon; Lesotho; Libya; Macedonia, the former Yugoslav Republic of; Madagascar; Malawi; Malaysia (Peninsular Malaysia); Mali; Malta; Mauritania; Mauritius (Mauritius (main island), Rodrigues); Mexico (Aguascalientes, Baja California, Baja California Sur, Chiapas, Chihuahua, Coahuila, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, México Distrito Federal, México State, Michoacán, Morelos, Nayarit, Nuevo León, Oaxaca, Puebla, Querétaro, San Luis Potosí, Sonora, Tamaulipas, Tlaxcala, Veracruz, Zacatecas); Montenegro; Morocco; Mozambique; Namibia; New Caledonia; New Zealand (North Is. - Introduced); Niger; Nigeria; Oman; Pakistan; Palestinian Territory, Occupied; Peru; Philippines; Portugal (Azores, Portugal (mainland)); Puerto Rico; Réunion; Saint Lucia; Saint Vincent and the Grenadines; Saudi Arabia; Slovenia; Somalia; South Africa (Eastern Cape Province, Free State, Gauteng, KwaZulu-Natal, Limpopo Province, Marion-Prince Edward Is., Mpumalanga, Western Cape); Spain (Baleares, Canary Is., Spain (mainland)); Sri Lanka; Sudan; Swaziland; Switzerland; Syrian Arab Republic; Taiwan, Province of China; Tanzania, United Republic of; Thailand; Tonga; Trinidad and Tobago; Tunisia; Turkey (Turkey-in-Asia, Turkey-in-Europe); Uganda; Ukraine (Krym); United Arab Emirates; United Kingdom (Great Britain); United States (Alabama, Arizona, Arkansas, California, Colorado, Florida, Georgia, Georgia, Hawaiian Is., Kentucky, Louisiana, Mississippi, Missouri, Nevada, New Mexico, North Carolina, Oklahoma, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia); Venezuela, Bolivarian Republic of; Viet Nam; Yemen (Socotra); Zambia; Zimbabwe
Introduced:
Belgium; Netherlands
Additional data:
Upper elevation limit (metres):3000
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Throughout the most of its range, this species is abundant and there is no evidence of a decline.
Current Population Trend:Stable
Additional data:
Extreme fluctuations:UnknownPopulation severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species typically grows in shaded, permanently moist crevices on calcareous rock face (typically limestones) and cliffs, often beside streams or waterfalls or growing directly in seepages (Paris 1993, Prelli 2001, Preston et al. 2002). In some areas, such as the Mediterranean, it will grow on non-calcareous rocks such as schists, sandstone grits and rhyolite (Prelli 2001), whilst in Australia and South Africa it will also sometimes grow on alkaline soil (Macarthy 1998, Paris 1993, South African National Biodiversity Institute 2009). In western Ireland, it grows in the grikes (fissures) in limestone pavement (Preston et al. 2002), whilst in the southern United States it grows on the walls of lime sinks and canyons (Paris 1993). It is also a typical colonizer of old mortared walls throughout much of its range (Allan Herbarium 2000, Piggott 1988, NZ Plant Conservation Network 2011), including foundations and the mortar of storm drains in the southern States (Paris 1993), concrete steps (Allan Herbarium 2000), railway sidings and canal locks (Preston et al. 2002). In the UK it has been suggested that populations on artificial substrates may derive mainly from cultivation (Preston et al. 2002). Throughout most of its range it grows inland as well as on the coast, but in the north of its range, such as in the UK (Preston et al. 2002, Page 1992) it is exclusively coastal, almost certainly as it is intolerant of frost and dependent upon the ameliorating effect of the sea on temperatures and freezing.
Systems:Terrestrial; Freshwater

Use and Trade [top]

Use and Trade: This species is almost ubiquitous in plant sales, being sold both in specific plant retail outlets and in domestic furniture outlets. It is understood that almost all of the stock sold derives from horticulture and there is no evidence of collection pressure from the wild. The leaves of this species are used as herbal medicine for respiratory problems.

Threats [top]

Major Threat(s): There are no known major threats to the species.

Conservation Actions [top]

Conservation Actions: The species is not the subject of conservation action at global level and there is no evidence that such action is needed. It is listed as Near Threatened in Croatia and Endangered (A1ac; B1+2abcde; C1+2b; D1) in Canada.

Citation: Lansdown, R.V. & Bilz, M. 2013. Adiantum capillus-veneris. The IUCN Red List of Threatened Species 2013: e.T164082A13536625. . Downloaded on 23 May 2017.
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