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—(a) Phylogenetic tree of liverworts based on a concatenated nucleotide data set of 41 mt and 86 pt genes. Branches are maximally supported (i.e., 100% bootstrap frequencies) unless otherwise marked. (b) Heatmap of PPR protein diversity across liverworts. (c) Histogram of RNA editing site abundance in mt (pink) and pt (green) genomes for each liverwort accession.
