Abstract

Summary Complete small ribosomal 18S RNA gene sequences from 6 liverworts, 6 mosses and 1 hornwort were used to reconstruct phylogenetic relationships between bryophytes. Sequence data were evaluated according to the maximum parsimony principle (PAUP 3.1.1) and the neighbour-joining method (MEGA). As outgroup, Chara foetida was used. For the first time molecular data support the open discussion about the relationship between Marchantiidae and Jungermanniidae liverworts, placing them regardless of the method used in different clades. The greatest absolute distances are found between Chara foetida and Marchantiidae followed by Sphagnum and Anthoceros. Chara foetida is closest to the Bryidae and Jungermanniidae.

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