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Family:  Hydrocharitaceae

 Hydrocharis morsus-ranae
 
  
Author:  Carl Linnaeus 1753
Family:  Hydrocharitaceae
Habitat:  Europe, Asia
Soil:  No (very wet sphagnum)
Water:  Maximum
Sun:  Medium - Maximum
Thickness:  Not really
Height:  0,3 centimetres over water, 3-5 below.
Flower:  White
Reproduction:  Seeds/Offsets
Pop names:  FrÝbid, Frogbit
Synonyms:  Pontederia dubia, Carl Ludwig von Blume 1827.
Blume Hydrocharis dubia, Cornelis Andries Backer 1925

   This member of the Hydrocharitaceae family is my favourite among aquatic/floating plants. It rarely flowers in Denmark, but in 2013, I was lucky to find it in full flowering in Holmegards Mose.

 It was given this name by Carl Linnaeus in 1752, and it is spread around Europe and near Asia. The leaves will lie on the surface of the slightly acid and nutrition poor water. Each leave can grow to four centimetres in diameter, each plant will have four to eight leaves. Besides from the seeds, it sets offspring which sink to the bottom in winter.