Liverwort

from WordNet (r) 3.0 (2006)

liverwort
    n 1: any of numerous small green nonvascular plants of the class
         Hepaticopsida growing in wet places and resembling green
         seaweeds or leafy mosses [syn: {liverwort}, {hepatic}]

from The Collaborative International Dictionary of English v.0.48

Liverwort \Liv"er*wort`\, n. (Bot.)
   1. A ranunculaceous plant ({Anemone Hepatica}) with pretty
      white or bluish flowers and a three-lobed leaf; -- called
      also {squirrel cups}.
      [1913 Webster]

   2. A flowerless plant ({Marchantia polymorpha}), having an
      irregularly lobed, spreading, and forking frond.
      [1913 Webster]

   Note: From this plant many others of the same order
         ({Hepatic[ae]}) have been vaguely called liverworts,
         esp. those of the tribe {Marchantiace[ae]}. See Illust.
         of {Hepatica}.
         [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Hepatica \He*pat"i*ca\, n.; pl. {Hepatic[ae]}. [NL. See
   {Hepatic}. So called in allusion to the shape of the lobed
   leaves or fronds.]
   [1913 Webster]
   1. (Bot.) A genus of pretty spring flowers closely related to
      Anemone; squirrel cup.
      [1913 Webster]

   2. (bot.) Any plant, usually procumbent and mosslike, of the
      cryptogamous class Hepatic[ae]; -- called also {scale
      moss} and {liverwort}. See {Hepatic[ae]}, in the
      Supplement.
      [1913 Webster]