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Divakar, P. K./ Crespo, A./ Blanco, O./ Lumbsch, H. T. 2006: Phylogenetic significance of morphological characters in the tropical Hypotrachyna clade of parmelioid lichens (Parmeliaceae, Ascomycota). - Molecular Phylogenetics and Evolution 40: 448-458. [RLL List # 204 / Rec.# 28562]
Keywords: HYPOTRACHYNA/ MOLECULAR ANALYSIS/ PHYLOGENETICS/ TROPICAL LICHENS/ PARMELIACEAE/ PHYLOGENY/ BULBOTHRIX/ PARMELINOPSIS/ EVERNIASTRUM/ PARMELINELLA
Abstract: ["Our results show that the taxa within the clade fall into two major groups and that the genus Hypotrachyna is polyphyletic. Everniastrum and Parmelinopsis are nested within Hypotrachyna sensu stricto, the latter being also polyphyletic. Bulbothrix is paraphyletic with Parmelinella nested within and is basal to the second major Hypotrachyna clade. Monophylies of Bulbothrix and Hypotrachyna are significantly rejected. The phylogenetic analysis demonstrates that morphological characters currently used to circumscribe genera in parmelioid lichens, such as cortical anatomy, lobe configuration, cilia, and rhizines have been overestimated and have only minor value in identifying monophyletic groups."

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