Wolffia Horkel ex Schleid

Native to:

Alabama, Alberta, Algeria, Angola, Argentina Northeast, Argentina Northwest, Arkansas, Assam, Austria, Baltic States, Bangladesh, Belgium, Benin, Bolivia, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, Bulgaria, Burundi, California, Cambodia, Canary Is., Cape Provinces, Central European Rus, Chile Central, China South-Central, China Southeast, Colombia, Colorado, Connecticut, Corse, Cuba, Czechoslovakia, Delaware, District of Columbia, Dominican Republic, East European Russia, Ecuador, El Salvador, Ethiopia, Florida, France, Free State, Georgia, Germany, Ghana, Great Britain, Greece, Guatemala, Guinea-Bissau, Hainan, Haiti, Honduras, Hungary, Idaho, Illinois, India, Indiana, Iowa, Iran, Italy, Ivory Coast, Jamaica, Japan, Jawa, Kansas, Kentucky, Kenya, Korea, KwaZulu-Natal, Laos, Lebanon-Syria, Leeward Is., Lesser Sunda Is., Louisiana, Madagascar, Maine, Malaya, Manitoba, Maryland, Massachusetts, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Morocco, Mozambique, Myanmar, Nansei-shoto, Nebraska, Nepal, Netherlands, Netherlands Antilles, New Guinea, New Hampshire, New Jersey, New South Wales, New York, New Zealand North, New Zealand South, Nigeria, North Carolina, North Caucasus, North Dakota, Northern Provinces, Northern Territory, Ohio, Oklahoma, Ontario, Oregon, Pakistan, Paraguay, Pennsylvania, Philippines, Poland, Portugal, Puerto Rico, Queensland, Québec, Romania, Rwanda, Saskatchewan, Senegal, Sicilia, South Australia, South Carolina, South Dakota, South European Russi, Spain, Sri Lanka, Sumatera, Suriname, Taiwan, Tanzania, Tasmania, Tennessee, Texas, Thailand, Togo, Transcaucasus, Tunisia, Uganda, Ukraine, Uruguay, Utah, Venezuela, Vermont, Victoria, Vietnam, Virginia, West Himalaya, West Virginia, Western Australia, Windward Is., Wisconsin, Yugoslavia, Zaïre, Zimbabwe

Introduced into:

Hawaii

POWO follows these authorities in accepting this name:

• Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
• Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.
• Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Flora of West Tropical Africa

• F.T.A. 8: 203.
• in Linnaea 13: 389 (1839)

Flora Zambesiaca

• Daubs, Monogr. Lemnac.: 41–49 (1965).
• Hartog & Plas in Blumea 18: 366–367 (1970).
• Landolt, Biosyst. Invest. Fam. Duckweeds, Family Lemnaceae 1: 544–551 (1986).
• Schleid., Beitr. Bot. 1: 233 (1844).

CATE Araceae

• Landolt, E. 1998. Lemnaceae The Families and Genera of Flowering Plants.. 4: 264-270
• Royal Botanic Gardens, Kew 2008. World Checklist of Selected Plant Families.

Flora of Tropical East Africa

• Daubs, Monogr. Lemnac.: 41 (1965)
• Hegelm., Lemnac. Monogr.: 121 (1868)
• N.E. Br. in F.T.A. 8: 203 (1901)
• in Linnaea 13: 389 (1839)