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Hydrocharis morsus-ranae
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Alismatales
Family: Hydrocharitaceae
Genus: Hydrocharis

Hydrocharis is a genus of aquatic plants in the family Hydrocharitaceae described as a genus by Linnaeus in 1753.[1][2] It is widespread across much of Europe and Asia, plus a few scattered locations in Africa.[3][4][5] It is also reportedly naturalized in parts of North America.[6][7][8]

The best known species is Hydrocharis morsus-ranae, commonly called common or European frogbit, and occasionally water-poppy. The name "American frogbit" refers to another aquatic plant, Limnobium spongia.

  1. Hydrocharis chevalieri (De Wild.) Dandy - Benin, Cameroon, Gabon, Cen Afr Rep, Congo Rep, Zaire
  2. Hydrocharis dubia (Blume) Backer - Primorye, China, Japan, Korea, Indian Subcontinent, SE Asia, New Guinea
  3. Hydrocharis morsus-ranae L. - Europe, Siberia, North Africa, Turkey, Caucasus, Kazakhstan


  1. ^ Linnaeus, Carl von. 1753. Species Plantarum 2: 1036 in Latin
  2. ^ Tropicos, Hydrocharis L.
  3. ^ Kew World Checklist of Selected Plant Families
  4. ^ Altervista Flora Italiana, Morso di rana, Common Frogbit Hydrocharis morsus-ranae L.
  5. ^ Flora of China Vol. 23 Page 97 水鳖属 shui bie shu Hydrocharis Linnaeus, Sp. Pl. 2: 1036. 1753.
  6. ^ Flora of North America Vol. 22, Frog-bit, Hydrocharis Linnaeus, Sp. Pl. 2: 1036. 1753; Gen. Pl. ed. 5; 458, 1754.
  7. ^ Cook, C. D. K. and R. Lüönd. 1982. A revision of the genus Hydrocharis (Hydrocharitaceae). Aquatic Botany 14: 177--204.
  8. ^ Roberts, M. L., R. L. Stuckey, and R. S. Mitchell. 1981. Hydrocharis morsus-ranae (Hydrocharitaceae) new to the United States. Rhodora 83: 147--148.

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