Comparative images for this family are given below (except for the genus Adiantum and Pteris, which can be seen by clicking on this link):
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Actiniopteris radiata (Sw.) Link (Africa, Arabian Peninsula, Iran to Myanmar: Afghanistan, Angola, Botswana, Cameroon, Cape Provinces, Cape Verde, Chad, Comoros, Djibouti, Ethiopia, India, Iran, Kenya, KwaZulu-Natal, Madagascar, Mali, Mozambique, Myanmar, Namibia, Nigeria, Northern Provinces, Oman, Pakistan, Saudi Arabia, Seychelles, Somalia, Sri Lanka, Sudan, Swaziland, Tanzania, Togo, Uganda, West Himalaya, Yemen, Zambia, Zaïre, Zimbabwe as per POWO)
Acrostichum aureum L. (Tropics & Subtropics: Andaman Is., Angola, Bahamas, Bangladesh, Belize, Bismarck Archipelago, Brazil Northeast, Brazil South, Brazil Southeast, Cambodia, Cameroon, Cape Provinces, Caroline Is., Cayman Is., Central American Pac, China South-Central, China Southeast, Colombia, Comoros, Cook Is., Costa Rica, Cuba, Dominican Republic, Ecuador, Equatorial Guinea, Fiji, Florida, French Guiana, Gabon, Galápagos, Gambia, Ghana, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Haiti, Honduras, India, Ivory Coast, Jamaica, Kenya, KwaZulu-Natal, Laos, Leeward Is., Lesser Sunda Is., Liberia, Madagascar, Malaya, Marianas, Mauritius, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Mozambique, Myanmar, Nansei-shoto, New Caledonia, New Guinea, Nicaragua, Nicobar Is., Nigeria, Niue, Northern Territory, Panamá, Peru, Philippines, Puerto Rico, Queensland, Réunion, Samoa, Saudi Arabia, Senegal, Sierra Leone, Society Is., Solomon Is., Sri Lanka, Sulawesi, Suriname, Taiwan, Tanzania, Thailand, Tonga, Trinidad-Tobago, Tubuai Is., Turks-Caicos Is., Vanuatu, Venezuela, Vietnam, Wallis-Futuna Is., Windward Is., Zambia, Zaïre, Zimbabwe as per POWO)
Aleuritopteris albomarginata (C. B. Cl.) Ching (Indian Subcontinent to S. China and Indo-China, Taiwan to Philippines: Assam, Bangladesh, China South-Central, China Southeast, East Himalaya, India, Myanmar, Nepal, Pakistan, Philippines, Taiwan, Thailand, Tibet, Vietnam, West Himalaya as per POWO (Hemionitis albomarginata (C.B.Clarke) Christenh.))
Aleuritopteris anceps (Blanf.) Panigrahi (Tropical & Subtropical Asia: Assam, Bangladesh, China South-Central, China Southeast, East Himalaya, India, Jawa, Lesser Sunda Is., Malaya, Myanmar, Nepal, New Guinea, Pakistan, Philippines, Sri Lanka, Thailand, Tibet, West Himalaya as per POWO (Hemionitis anceps (Blanf.) Christenh.))
Aleuritopteris bicolor (Roxb.) Fraser-Jenk. (Indian Subcontinent to W. Malesia: Assam, Bangladesh, East Himalaya, India, Jawa, Laos, Lesser Sunda Is., Malaya, Myanmar, Nepal, Pakistan, Sri Lanka, West Himalaya as per POWO (Hemionitis formosana (Hayata) Christenh.))
Aleuritopteris formosana (Hayata) Tagawa (Indian Subcontinent to S. China and Indo-China, Taiwan to Philippines: Assam, China South-Central, China Southeast, East Himalaya, India, Nepal, Pakistan, Philippines, Taiwan, Thailand, Tibet, Vietnam, West Himalaya as per POWO (Hemionitis formosana (Hayata) Christenh.))
Aleuritopteris subdimorpha (C. B. Cl. & Bak.) Fraser-Jenk. (Himalaya to Indo-China, Sumatera: Assam, Bangladesh, East Himalaya, Laos, Myanmar, Sumatera, Thailand, Vietnam, West Himalaya as per POWO (Hemionitis subdimorpha (C.B.Clarke & Baker) Christenh.))
Calciphilopteris ludens (Wall. ex Hook.) Yesilyurt & H.Schneid. (Tropical & Subtropical Asia to NE. Queensland: Assam, Bangladesh, Cambodia, China South-Central, India, Jawa, Laos, Lesser Sunda Is., Malaya, Myanmar, Nepal, New Guinea, Philippines, Queensland, Sumatera, Thailand, Vietnam as per POWO (Hemionitis ludens (Wall. ex Hook.) Christenh.))
Coniogramme serrulata (Bl.) Fée (W. Indian Ocean, Pakistan to S. China and W. & Central Malesia: Assam, China South-Central, China Southeast, East Himalaya, Japan, Jawa, Kazan-retto, Korea, Laos, Madagascar, Malaya, Myanmar, Nepal, Pakistan, Philippines, Réunion, Sri Lanka, Taiwan, Thailand, Tibet, Vietnam, West Himalaya as per POWO)
Doryopteris concolor (Langsd. & Fisch.) Kuhn (India also as per Tropicos)
Haplopteris elongata (Sw.) E. H. Crane (Kenya to Mozambique and Pacific: Andaman Is., Assam, Bangladesh, Bismarck Archipelago, Borneo, Cambodia, Caroline Is., China South-Central, China Southeast, Christmas I., Comoros, Cook Is., East Himalaya, Fiji, Hainan, India, Kazan-retto, Kenya, Laos, Lesser Sunda Is., Madagascar, Malaya, Maluku, Marquesas, Mozambique, Myanmar, New Caledonia, New Guinea, New South Wales, Norfolk Is., Ogasawara-shoto, Philippines, Queensland, Santa Cruz Is., Seychelles, Society Is., Solomon Is., Sri Lanka, Sulawesi, Sumatera, Tanzania, Thailand, Tibet, Tubuai Is., Vanuatu, Vietnam as POWO)
Hemionitis arifolia (Burm. f.) T. Moore
Hemionitis opposita (Kaulf.) Christenh. (India, Sri Lanka, China (Fujian, Guangdong) to Indo-China: China Southeast, Hainan, India, Myanmar, Sri Lanka, Vietnam as per POWO)
Mickelopteris cordata (Hook. & Grev.) Fraser-Jenk. (Indian Subcontinent to China (S. Yunnan) and W. & Central Malesia, Hainan, S. Taiwan: Assam, Bangladesh, Cambodia, China South-Central, Hainan, India, Laos, Lesser Sunda Is., Malaya, Myanmar, Philippines, Sri Lanka, Taiwan, Thailand, Vietnam as per POWO (Hemionitis cordata Roxb. ex Hook. & Grev.))
Notholaena himalaica Fraser-Jenk. (Pakistan to China and N. Indo-China, Taiwan to Philippines: Assam, China North-Central, China South-Central, East Himalaya, Myanmar, Nepal, Pakistan, Philippines, Taiwan, Thailand, Tibet, West Himalaya as per POWO)
Oeosporangium tenuifolium (Burm. fil.) Fraser-Jenk. & Pariyar (Tropical & Subtropical Asia to Pacific: Andaman Is., Assam, Bangladesh, Borneo, Cambodia, Caroline Is., China South-Central, China Southeast, East Himalaya, Fiji, Hainan, India, Laos, Lesser Sunda Is., Malaya, Maluku, Marianas, Marquesas, Myanmar, Nepal, New Caledonia, New Guinea, Northern Territory, Philippines, Queensland, Samoa, Society Is., Solomon Is., Sri Lanka, Taiwan, Thailand, Tonga, Tubuai Is., Vanuatu, Vietnam, West Himalaya as per POWO)
Onychium cryptogrammoides Christ (Pakistan to China and Indo-China: China North-Central, China South-Central, East Himalaya, Laos, Myanmar, Nepal, Pakistan, Thailand, Tibet, West Himalaya as per POWO)
Onychium tenuifrons Ching (E. Himalaya to China (W. Guizhou, Sichuan, Yunnan): China South-Central, East Himalaya as per POWO)
Pellaea boivinii Hook. (Kenya to Northern Prov., Comoros, Madagascar, Mauritius, SW. India, Sri Lanka: Botswana, Comoros, India, Kenya, Madagascar, Mauritius, Northern Provinces, Sri Lanka, Tanzania, Zambia, Zimbabwe as per POWO (Hemionitis boivinii (Hook.) Christenh.))
Pellaea falcata (R.Br.) Fée (Tropical Asia to New Zealand, New Caledonia: India, Kermadec Is., Lesser Sunda Is., Malaya, New Caledonia, New South Wales, New Zealand North, New Zealand South, Norfolk Is., Queensland, Sulawesi, Tasmania, Victoria as per POWO (Hemionitis seticaulis (Hook.) ined.))
Pellaea nitidula (Hook.) Baker (Pakistan to Taiwan and Indo-China: China North-Central, China South-Central, China Southeast, East Himalaya, Nepal, Pakistan, Taiwan, Tibet, Vietnam, West Himalaya as per POWO)
Pityrogramma austroamericana Domin (Introduced) (Central America to Guyana and N. Argentina: Argentina Northeast, Argentina Northwest, Bolivia, Colombia, Costa Rica, Ecuador, Guyana, Honduras, Panamá, Paraguay, Peru; Introduced into: Cape Provinces, Hawaii, India, Jawa, KwaZulu-Natal, Malaya, Mauritius, New South Wales, Northern Provinces, Puerto Rico, Queensland, Réunion, Sri Lanka, Swaziland, Tanzania, Zambia as per POWO)
Pityrogramma calomelanos (L.) Link (Introduced) (Mexico to Tropical America: Argentina Northeast, Argentina Northwest, Bahamas, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Central American Pac, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Haiti, Honduras, Jamaica, Leeward Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Netherlands Antilles, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, Suriname, Uruguay, Venezuela, Venezuelan Antilles, Windward Is.; Introduced: Andaman Is., Angola, Assam, Azores, Bangladesh, Bismarck Archipelago, Borneo, Burkina, Cambodia, Cameroon, Caroline Is., China South-Central, China Southeast, Christmas I., Comoros, East Himalaya, Equatorial Guinea, Fiji, Florida, Gabon, Ghana, Guinea, Gulf of Guinea Is., Hainan, Hawaii, India, Ivory Coast, Kenya, Laos, Lesser Sunda Is., Liberia, Madagascar, Madeira, Malaya, Maluku, Marianas, Marquesas, Mauritius, Mozambique, Myanmar, Nansei-shoto, Nepal, New Guinea, Nicobar Is., Nigeria, Northern Territory, Philippines, Queensland, Réunion, Senegal, Seychelles, Sierra Leone, Society Is., Solomon Is., Sri Lanka, Sulawesi, Sumatera, Taiwan, Tanzania, Thailand, Tibet, Uganda, Vanuatu, Vietnam, West Himalaya, Zambia as per POWO)
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Pteridaceae (ferns) with comparative images:
Species, genus & family pages of Pteridaceae are now with comparative images. On clicking the link of species, one can check the complete details.
May I request you to pl. go through & point out mistakes, if any. I hope this will aid in identification in future. If anybody can send images of other species of this family (for incorporation in the website), if any, or can identify unidentified/ wrongly identified images, it will be really nice. Pl. circulate it widely, for the benefit of all concerned.