Osmunda acuta (Burm.f.) Fraser-Jenk. (Tropical & S. Africa, Madagascar, Réunion, Mauritius, Central & S. India: Angola, Burkina, Burundi, Cameroon, Cape Provinces, Central African Repu, Ethiopia, Free State, Guinea, Gulf of Guinea Is., India, Kenya, KwaZulu-Natal, Lesotho, Liberia, Madagascar, Malawi, Mali, Mauritius, Mozambique, Nigeria, Northern Provinces, Rwanda, Réunion, Sierra Leone, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe as per POWO (Osmunda acuta (Burm.f.) Fraser-Jenk.))
Osmunda claytoniana subsp. vestita (Milde) Á.Löve & D.Löve (Himalaya to S. Russian Far East and Central Japan: Assam, China South-Central, China Southeast, East Himalaya, Japan, Manchuria, Nepal, Pakistan, Primorye, Taiwan, Tibet, West Himalaya as per POWO)