The Collaborative International Dictionary
Liverwort \Liv"er*wort`\, n. (Bot.)
A ranunculaceous plant ( Anemone Hepatica) with pretty white or bluish flowers and a three-lobed leaf; -- called also squirrel cups.
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A flowerless plant ( Marchantia polymorpha), having an irregularly lobed, spreading, and forking frond.
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.
Wikipedia
Anemone hepatica (common hepatica, liverwort, kidneywort, pennywort) is a herbaceous perennial growing from a rhizome in the buttercup family (Ranunculaceae), native to woodland in temperate regions of the Northern Hemisphere.