prop. n. The type genus of Marchantiaceae; liverworts that reproduce asexually by gemmae and have stalked antheridiophores. Syn. -- genus Marchantia. [ WordNet 1.5 ]
prop. n. A natural family of liverworts with prostrate and usually dichotomously branched thalli. Syn. -- family Marchantiaceae. [ WordNet 1.5 ]
prop. n. An oder of liverworts with gametophyte differentiated internally. Syn. -- order Marchantiales. [ WordNet 1.5 ]