@ARTICLE{TreeBASE2Ref28312, author = {Steve Leavitt}, title = {A phylogenetic perspective into mycobiont diversity in cobblestone lichens (Acarospora, Ascomycota), including a new species from the Intermountain West (USA)}, year = {2018}, keywords = {Acarospora nevadensis, A. strigata, A. tintica sp. nov., Great Basin, integrative taxonomy }, doi = {}, url = {http://}, pmid = {}, journal = {The Bryologist}, volume = {}, number = {}, pages = {}, abstract = {A broad range of morphological variation is known to occur within the lichen-forming fungal genus Acarospora (Acarosporaceae, Ascomycota). In this study, we investigated the relationships of a number of interesting Acarospora collections from western North America using morphological, chemical, and molecular sequence data. Our results revealed patterns of apparent convergence of some morphologies traditionally considered a single taxon, coupled with a striking range of morphological disparity within other lineages. Based on these results, a species of lichen-forming fungi, Acarospora tintica sp. nov., is formally described as a new to science, occurring on hard limestone substrates in the Great Basin of western North America. This species belongs to a well-supported clade comprised of morphologically diverse species-level lineages. Furthermore, a number of additional candidate species are recognized and merit additional research before formal taxonomic recognition. This study highlights the importance of implementing an integrative taxonomic approach, incorporating a broad range of data, including molecular sequence data, for diagnosing evolutionarily independent species-level lineages in lichen-forming fungi.} }

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