Liverworts are green flowerless plants that belong to the Plant Division Marchantiophyta. They reproduce by means of spores or asexually by gemmae. Gemmae are single cells or masses that can detach from the parent plant and develop into a new individual. Liverworts are often found in damp places and usually divided into leafy varieties having stems and leaves, or thallose, looking like green leafless pads.
Mosses and Liverworts of Britain and Ireland- BBS 2010