Riccia

Riccia is a genus of liverworts in the order Marchantiales. One of the more than 100 species in this genus is the `slender riccia` (Riccia fluitans), which can be found floating in ponds, and is sometimes used in aquariums. The plant body is a thallus that is not differentiated into root, stem and leaf. The thallus is dorsiventrally differentiat.....
Found on http://en.wikipedia.org/wiki/Riccia

Riccia

genus of liverworts (small, creeping plants) in the order Marchantiales, widely distributed throughout the world. The most well-known species, ... [3 related articles]
Found on http://www.britannica.com/eb/a-z/r/45
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