Marchantia is a genus in the family Marchantiaceae of the order Marchantiales, a group of liverworts. These are simple plants without roots or vascular systems. They were once considered related to mosses and part of division Bryophyta, but more recently have been assigned their own plant division, Marchantiophyta. The Marchantia thallus shows dif... Found on http://en.wikipedia.org/wiki/Marchantia
genus of liverworts (creeping ribbonlike plants) in the order Marchantiales, commonly found on moist clay or silty soils, especially on recently ... [3 related articles] Found on http://www.britannica.com/eb/a-z/m/32