Polypodiidae (Leptosporangiate Ferns)
Family: Aspleniaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Asplenium beckeri | Brade (1969) | - | (rediscovered) | Trindade island, Brazil | Rediscovered | Access |
| Asplenium centrifugale | Baker (1889) | - | ? | Christmas Island, Australia | Invalid (synonym) | Access |
|
Asplenium daghestanicum iskardense |
(Viane & Reichst.) Fraser-Jenk. (2011) | - | ? | northern Pakistan | Missing | Access |
| Asplenium dielmannii | Viane (1992) | Mann's island spleenwort | (rediscovered) | Kaua`i, Hawaiian Islands, USA | Rediscovered | Access |
|
Asplenium × jacksonii |
(Alston) Lawal. (1950) | - | (rediscovered) | Cap Fréhel, Côtes-d'Armor, northern Brittany, France & Great Britain (Cornwall, Devon, Guernsey & Jersey) | Rediscovered | Access |
| Asplenium leucostegioides | Baker (1891) | - | 1879 | Maui, Hawaiian Islands, USA | Missing or Extinct | Access |
| Asplenium stenopterum | Peter (1929) | - | 1929 or before | Tanzania | Missing or Invalid (synonym) | Access |
|
Woodsia andersonii |
(Bedd.) Christ (1905) | - | - | China, India, Nepal, Taiwan & Tibet | Erroneously listed as possibly extinct | Access |
Family: Athyriaceae1
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
|
Athyrium duthiei |
(Bedd.) Bedd. (1892) | - | 1955 | India | Invalid (synonym) | Access |
| Deparia kaalaana | (Copel.) M.Kato (1984) | - | 2016 | Hawai'i, Kauai & Maui, Hawaiian Islands, USA | Possibly Extinct in the Wild | Access |
| Deparia minamitanii | Seriz. (1979) | - | (rediscovered) | Kumamoto Prefecture & Miyazaki Prefecture, Kyushu, Japan | Rediscovered in the wild | Access |
|
Deparia zeylanica |
(Hook.) M.Kato (1984) | - | ? | Sri Lanka | Missing or Extinct | Access |
| Diplazium laffanianum | (Bak.) C. Chr. (1905) | Governor Laffan(’s) fern | 1905 | Bermuda | Extinct in the Wild | Access |
| Diplazium ulugurense | Verdc. (2003) | - | 1970 | Bondwa (eastern slope), Uluguru Mountains, Tanzania | Missing | Access |
1 Athyriaceae is not recognised by POWO, but it has been found to be monophyletic (Moran et al., 2019) and thus valid.
Family: Blechnaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Blechnum petiolare | (Sodiro) C.Chr. (1905) | - | c.100 years ago | forests of Chillanes on the slopes of Chimborazo, Bolívar province, Ecuador | Missing or Invalid (synonym) | Access |
| Blechnum rimbachii | (Sodiro) C.Chr. (1905) | - | c.100 years ago | Azuay province, Ecuador | Missing or Invalid (synonym) | Access |
Family: Cyatheaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Cyathea cruciata | (Desv.) Lehnert (2012) | - | 1800's | French Guiana & Guyana | Missing | Access |
Family: Cystopteridaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Cystopteris chinensis | (Ching) X.C.Zhang & R.Wei (2014) | - | ? | China | Extinct in the Wild | Access |
Family: Dennstaedtiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Blotiella coriacea | Verdc. (2000) | - | 1971 | eastern ridge, Uluguru Mountains (south), Tanzania | Missing | Access |
Family: Dryopteridaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Arachniodes yasu-inouei angustipinnula | Seriz. (2009) | - | (rediscovered) | Nagakuino, Kobayashi-shi, Miyazaki Prefecture, Kyushu, Japan | Invalid (synonym) | Access |
| Ctenitis humilis | Holtt. (1985) | - | (rediscovered) | Bohol Island & Mindoro, Philippines | Rediscovered | Access |
| Ctenitis meridionalis speluncae | (C.Chr.) K.U.Kramer (1962) | - | ? | Bermuda | Extinct or Invalid (synonym) | Access |
| Ctenitis microlepigera | (Nakai) Ching (1938) | - | (rediscovered) | Hahajima, Ogasawara Islands (=Bonin Islands), Japan | Rediscovered | Access |
| Ctenitis palatangana | (Hook.) Ching (1940) | - | pre-1883 | near Pallatangana, Chimborazo province, Ecuador | Missing | Access |
| Ctenitis paleolata | Copel. (1952) | - | 9 May 1912 | Pauai, Philippines | Extinct | Access |
| Dryopteris ascensionis | (Hook.) Kuntze (1891) | - | August 1889 or 1975 | Green Mountain area, Ascension Island | Extinct | Access |
| Dryopteris × shibipedis | Sa.Kurata (1966) | - | (rediscovered) | Kagoshima Prefecture, Kyushu, Japan | Extinct in the Wild | Access |
|
Elaphoglossum actinolepis
|
(Sodiro) C.Chr. (1905) | - | early 1900's | Esmeraldas province, Ecuador | Missing | Access |
| Elaphoglossum angamarcanum | (Sodiro) C.Chr. (1905) | - | 1800's | Angamarca, Cotopaxi province, Ecuador | Missing | Access |
|
Elaphoglossum beckeri
|
Brade (1969) | - | (rediscovered) | Trindade island, Brazil | Rediscovered | Access |
| Elaphoglossum bonapartii | Rosenst. (1909) | - | ? | Morona-Santiago province, Ecuador | Missing | Access |
| Elaphoglossum caespitosum | (Sodiro) Christ (1899) | - | 1883 or before | on the banks of the Río Peripa, near San Miguel de los Colorados, Pichincha province, Ecuador | Missing | Access |
| Elaphoglossum chodatii | (Sodiro) C.Chr. (1913) | - | early 1900's | Río Oyacachi valley, Napo province, Ecuador | Missing | Access |
| Elaphoglossum christii | (Sodiro) C.Chr. (1905) | - | pre-1906 | Pelagallo, west of Volcán Pululahua, Pichincha province, Ecuador | Missing | Access |
| Elaphoglossum cinereum | (Sodiro) C.Chr. (1913) | - | pre-1913 | the paramos of Volcán Antisana, Napo province, Ecuador | Missing | Access |
| Elaphoglossum cladotrichium | (Sodiro) C.Chr. (1905) | - | early 1900's | Nanegal, Pichincha province, Ecuador | Missing or Invalid (synonym) | Access |
| Elaphoglossum corazonense | H.Christ (1899) | - | ? | western forests of Volcán El Corazón, south of Quito, Pichincha province, Ecuador | Missing | Access |
| Elaphoglossum ellipsoideum | (Sodiro) C.Chr. (1913) | - | pre-1903 | forests near Oyacachi, Napo province, Ecuador | Invalid (synonym) | Access |
| Elaphoglossum gossypinum | (Sodiro) C.Chr. (1913) | - | early 1900's | near Guamaní, Napo or Pichincha province, Ecuador | Missing | Access |
| Elaphoglossum gracilipes | (Fée ex Kuhn) C.Chr. (1905) | - | pre-1853 | Ecuador | Missing | Access |
| Elaphoglossum heteromorphum | (Klotzsch) T.Moore (1857) | - | pre-1863 | western slopes of Volcán Pichincha, Pichincha province, Ecuador | Missing or rediscovered? | Access |
| Elaphoglossum jamesonii | (Hook. & Grev.) T.Moore (1857) | - | 1800's | base of Volcán Pichincha, Pichincha province, Ecuador | Invalid (synonym) | Access |
| Elaphoglossum longissimum | (Sodiro) C.Chr. (1905) | - | pre-1903 | wet lowland forest on the banks of the Río Santiago, Esmeraldas province, Ecuador | Missing | Access |
| Elaphoglossum pala | André ex H.Christ (1899) | - | (rediscovered) | Cajanuma, Ecuador & Merida, Venezuela | Rediscovered | Access |
| Elaphoglossum pellucidum | (Sodiro) C.Chr. (1905) | - | pre-1903 | on the banks of the Río Cachabí, near San Antonio, Esmeraldas province, Ecuador | Missing | Access |
| Elaphoglossum polytrichum | H.Christ (1899) | - | 1800's | Lloa Valley, southeast of Quito, Pichincha province, Ecuador | Missing | Access |
| Elaphoglossum pteropodum | (Sodiro) C.Chr. (1905) | - | (rediscovered) | between Santo Domingo and Alluriquín, Pichincha province, Ecuador | Rediscovered | Access |
| Elaphoglossum sodiroi | (Baker) H.Christ (1899) | - | very late 1800's | the western slopes of Volcán Corazón, Pichincha province, Ecuador | Missing or Rediscovered | Access |
| Elaphoglossum sprucei | (Baker) Diels (1899) | - | (rediscovered) | the base of Chimborazo, Bolívar province & Maquipucuna, Pichincha province, north-western Ecuador | Rediscovered | Access |
| Elaphoglossum trichophorum | (Sodiro) C.Chr. (1905) | - | (rediscovered) | "Volcán Tungurahua", Tungurahua province(?), Ecuador | Rediscovered | Access |
|
Lastreopsis dissecta
|
(C.T.White & Goy) Labiak, Sundue & R.C.Moran (2014) | - | September 1936 | Queensland, Australia | Missing if valid or Extinct if valid | Access |
|
Polystichum crinulosum
|
(Desv.) J.P.Roux (1996) | - | pre-1828 | Mauritius, Mascarene Islands | Missing or Extinct | Access |
| Polystichum fuentesii | Espinosa (1934) | - | pre-1938 | Easter Island (=Rapa Nui) | Extinct | Access |
| Polystichum kwakiutlii | D.H.Wagner (1990) | - | 1934 | Alice Arm, British Columbia, Canada | Extinct | Access |
| Polystichum wattii | (Bedd.) C.Chr. (1905) | - | ? | India | Extinct | Access |
Family: Hymenophyllaceae (Filmy Ferns)
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
|
Hymenophyllum brachypus
|
Sodiro (1893) | - | 1800's | Cundinamarca, Colombia & Ecuador | Missing or Rediscovered | Access |
| Hymenophyllum contractile |
Sodiro (1893)
|
- | 1893 or before | Ecuador | Invalid (synonym) | Access |
| Hymenophyllum helicoideum | Sodiro (1893) | - | 1893 or before | Ecuador | Missing | Access |
| Hymenophyllum refrondescens | Sodiro (1883) | - | 1893 or before | Ecuador | Invalid (synonym) | Access |
| Hymenophyllum tenerum | Bosch (1863) | - | 1863 or before | Ecuador | Missing | Access |
| Hymenophyllum trifidum | Hook. & Grev. (1830) | - | 1830 or before | Ecuador | Invalid (synonym) | Access |
| Hymenophyllum whitei | Goy (1941) | - | (rediscovered) | Thornton Peak, Queensland (north-eastern), Australia | Rediscovered | Access |
| Trichomanes tenuissimum | Bosch (1861) | - | 1861 or before | Esmeraldas province, Ecuador | Missing | Access |
Family: Lindsaeaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Lindsaea malabarica | (Bedd.) Baker ex C.Chr. (1931) | - | (rediscovered) | India | Rediscovered | Access |
Family: Marattiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Angiopteris tonkinensis | (Hayata) J.M.Camus (1989) | - | (rediscovered) | China & Vietnam | Rediscovered | Access |
|
Ptisana laboudalloniana |
Senterre & I.Fabre (2014) | Pti baton monsenyer | (rediscovered) | Mahé, Seychelles | Rediscovered | Access |
Family: Ophioglossaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Sceptridium subbifoliatum | (Brack.) Lyon (1905) | - | 1935 or 1940 | Hawai'i, Kauai, Lanai, Maui, Molokai & Oahu, Hawaiian Islands, USA | Missing or Extinct | Access |
Family: Polypodiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Adenophorus periens | L.E.Bishop (1974) | Pendent kihi fern | (rediscovered) | Hawai'i, Kauai, Lanai, Maui, Molokai & Oahu, Hawaiian Islands, USA | Rediscovered | Access |
|
Drynaria meeboldii |
Rosenst. (1913) | - | (rediscovered in the wild) | Manipur, India | Invalid (synonym) | Access |
| Grammitis brevipes | (C.V.Morton) Christenh. (2018) | - | 1800's | Volcán Tungurahua, Tungurahua province, Ecuador | Missing | Access |
|
Grammitis crispatula |
Holttum (1947) | - | ? | Peninsular Malaysia | Extinct | Access |
|
Grammitis kunstleri |
(Parris) Christenh. (2018) | - | ? | Peninsular Malaysia | Extinct | Access |
| Grammitis quaerenda | Bolle (1863) | - | 1825 or earlier | Canary Islands, Macaronesia (or wider) | Extinct or Rediscovered (taxonomically) | Access |
| Lepisorus cespitosus | Y.X.Lin (2000) | 丛生瓦韦 cong sheng wa wei | (rediscovered) | China & Tibet | Rediscovered or Invalid (synonym) | Access |
|
Oreogrammitis austroindica |
(Parris) Parris (2007) | - | ? | Nilgiri Hills, Tamil Nadu, India | Missing or Extinct | Access |
| Oreogrammitis leonardii | (Parris) Parris (2007) | - | (rediscovered) | Mount Finnigan, Wet Tropics, Queensland, Australia | Rediscovered | Access |
| Serpocaulon demissum | (Fée) D.Sanín (2020) | - | (rediscovered) | Brazil (Bahia, Espírito Santo, Minas Gerais & Rio de Janeiro) | Rediscovered | Access |
Family: Psilotaceae
—No subordinate taxa
Family: Pteridaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Adiantum hispidulum whitei | (F.M.Bailey) Bostock (1987) | - | (rediscovered) | eastern Queensland, Australia | Rediscovered in the wild | Access |
| Adiantum lianxianense | Ching & Y.X.Ling in Y.X.Ling (1980) | - | (rediscovered) | Guangdong, China | Rediscovered | Access |
| Antrophyum austroqueenslandicum | D.L.Jones (1998) | - | (rediscovered) | New South Wales & Queensland (south-eastern), Australia | Rediscovered | Access |
|
Cerosora chrysosora |
(Baker) Domin (1929) | - | ? | Sarawak, Malaysian Borneo | Extinct | Access |
| Gastoniella ascensionis | (Hook.) Li Bing Zhang & Liang Zhang (2016) | Ascension Island parsley fern | (rediscovered) | Ascension Island | Rediscovered | Access |
| Jamesonia maxonii | (Lellinger) Pabón-Mora & F.González (2015) | - | (rediscovered) | Colombia (Antioquia, Bolívar, Boyacá) | Rediscovered | Access |
| Vittaria longipes | Sodiro (1893) | - | 100+ years ago | Nanegal valley, Pichincha Province, Ecuador | Missing | Access |
Family: Thelypteridaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
|
Menisciopsis wailele |
(Flynn) S.E.Fawc. & A.R.Sm. (2021) | - | (rediscovered) | Kaua‘i, Hawaiian Islands, USA | Rediscovered | Access |
| Thelypteris × altissima | (Holttum) Vorster (1977) | - | 100+ years ago | KwaZulu-Natal & Limpopo Province, South Africa | Missing or Extinct | Access |
| Thelypteris kingii | C.F.Reed (1969) | - | (rediscovered) | Sikkim, India & Yunnan Province, China | Rediscovered or Invalid (synonym) | Access |
|
Thelypteris kurzii |
(Holttum) Fraser-Jenk. (1997) | - | ? | Nicobar Islands, India | Missing | Access |