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Phylogeny of NR-PKSs of lichen-forming fungi. This is a maximum likelihood tree based on 107 NR-PKSs amino acid sequences from six Cladonia spp., Stereocaulon alpinum and P. furfuracea. Branches in bold indicate bootstrap support >70%. Different colors indicate different PKS groups based on Kim et al. [11]. PKSs of P. furfuracea are indicated in bold and with larger fonts.
