Azolla Lam.

Native to:

Alabama, Alaska, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Assam, Bangladesh, Benin, Bolivia, Borneo, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, Burundi, California, Cameroon, Chad, Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Colombia, Colorado, Connecticut, Costa Rica, Cuba, Delaware, District of Columbia, Dominican Republic, East Himalaya, Ecuador, El Salvador, Ethiopia, Florida, French Guiana, Gabon, Galápagos, Gambia, Georgia, Ghana, Guatemala, Guyana, Haiti, Honduras, Illinois, India, Indiana, Iowa, Ivory Coast, Jamaica, Japan, Jawa, Kansas, Kentucky, Kenya, Korea, KwaZulu-Natal, Lesser Sunda Is., Louisiana, Madagascar, Maine, Malawi, Malaya, Mali, Maluku, Manchuria, Maryland, Massachusetts, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mozambique, Myanmar, Namibia, Nansei-shoto, Nebraska, Nepal, Nevada, New Caledonia, New Guinea, New Hampshire, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Nicaragua, Niger, Nigeria, North Carolina, Northern Territory, Ohio, Oklahoma, Ontario, Oregon, Pakistan, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Puerto Rico, Queensland, Rwanda, Senegal, Sierra Leone, Somalia, South Australia, South Carolina, South Dakota, Sri Lanka, Sudan, Sulawesi, Sumatera, Suriname, Taiwan, Tanzania, Tasmania, Tennessee, Texas, Thailand, Togo, Trinidad-Tobago, Tristan da Cunha, Uganda, Uruguay, Utah, Venezuela, Venezuelan Antilles, Victoria, Vietnam, Virginia, Washington, West Himalaya, West Virginia, Western Australia, Wisconsin, Zambia, Zaïre, Zimbabwe

Introduced into:

Albania, Austria, Baltic States, Belgium, Bulgaria, Canary Is., Cape Provinces, Czechoslovakia, Denmark, France, Free State, Germany, Great Britain, Greece, Hawaii, Hungary, Ireland, Italy, Lesotho, Morocco, Netherlands, Northern Provinces, Palestine, Poland, Portugal, Romania, Sardegna, Sicilia, Spain, Swaziland, Sweden, Tadzhikistan, Turkey, Turkey-in-Europe, Yugoslavia

POWO follows these authorities in accepting this name:

• Balkrishna, A., Joshi, B., Sribastava, A., Shankar, R. & Shukla, B.K. (2019). Classification of extant Pteridophytes: a new approach. Indian Fern Journal 36: 311-341.
• Roskov Y. & al. (eds.) (2018). World Ferns: Checklist of Ferns and Lycophytes of the World. Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Flora of Somalia

• Fl. Trop. E. Afr. (1999).
• Flora Somalia, Vol 1, (1993) Author: by M Thulin [updated by M. Thulin 2008]