We employed a molecular phylogenetic approach using five markers (ITS, nuSSU, nuLSU, TEF1-α, and RPB2) to assess potential cryptic speciation in foliicolous members of s.lat. (), including the recently segregated genera , , , , and , from tropical areas in Asia, with selected materials from the Neotropics as reference. On the basis of combined molecular and phenotypic datasets, two new species of and 10 new species of s.str. are described: sp. nov., sp. nov., sp. nov., sp. nov., sp. nov., sp. nov., sp. nov., sp. nov., sp. nov., sp. nov., sp. nov., and sp. nov. In addition, we propose the new combination comb. nov. (≡ =) and we validate the earlier combination comb. nov. (≡ ; ). Our data clearly indicate a considerable degree of cryptic diversification in foliicolous representatives of s.lat., particularly in the presumably widespread taxa , , , and . Given that these phylogenetic revisions are thus far limited to few regions, we predict that our findings only represent the proverbial tip of the iceberg in this group of lichenized fungi.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8781847PMC
http://dx.doi.org/10.3390/jof8010002DOI Listing

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