@ARTICLE{TreeBASE2Ref14574, author = {Heidi Lie Andersen and Stefan Ekman}, title = {Disintegration of the Micareaceae (lichenized Ascomycota) - a molecular phylogeny based on mitochondrial rDNA sequences.}, year = {2005}, keywords = {}, doi = {10.1017/S0953756204001625}, url = {}, pmid = {}, journal = {Mycological Research}, volume = {109}, number = {1}, pages = {21--30}, abstract = {The phylogeny of the family Micareaceae and the genus Micarea was studied using mitochondrial small subunit ribosomal DNA sequences. Phylogenetic reconstructions were performed using Bayesian MCMC tree sampling and a maximum likelihood approach. The Micareaceae in its current sense is highly heterogeneous, and Helocarpon, Psilolechia, and Scutula, all thought to be close relatives of Micarea, are shown to be only distantly related. The genus Micarea is paraphyletic unless the entire Pilocarpaceae and Ectolechiaceae are included, as also indicated by an expected likelihood weights test. It is suggested that the Micareaceae is reduced to synonymy with the Pilocarpaceae, which also includes the Ectolechiaceae, and that Micarea may have to be divided into a series of smaller genera in the future. Micarea species with a ?non-micareoid? photobiont group with Psora and the Ramalinaceae, whereas Micarea intrusa appears to belong in Scoliciosporum. Three species fall inside the paraphyletic Micarea: Szczawinskia tsugae, Catillaria contristans, and Fellhaneropsis vezdae. Tropical foliicolous taxa are nested within groups of mainly temperate and arctic-alpine distribution. A ?micareoid? photobiont appears to be plesiomorphic in the Pilocarpaceae but has been lost a few times.} }

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