Marchantiales

order of plants Marchantiales (Marchantiales) is an order comprising closely related families of organisms. It contains 7 families with 26 known species. Key family groups include Aytoniaceae, Cleveaceae, Conocephalaceae, Dumortieraceae, Marchantiaceae, and Ricciaceae. Among its members, 12 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Marchantiopsida (Marchantiopsida).