02231nas a2200301 4500008004100000022001400041245013300055210006900188300001200257490000800269520122900277653001501506653001801521653001601539653001901555653002601574653001501600653001201615653002801627653003401655653001401689653002701703653002701730653001901757100001701776700001301793856012301806 2005 eng d a0953-756200aMolecular evidence supports the distinction between Xanthoria parietina and X. aureola (Teloschistaceae, lichenized Ascomycota).0 aMolecular evidence supports the distinction between Xanthoria pa a187-1990 v1093 a
This study aims to clarify taxonomic relationships within the current concept of Xanthoria parietina in northern Europe. For comparison, X. calcicola was also included in the study. Morphological as well as molecular data were utilized. Morphology indicated the presence of three species, Xanthoria parietina, X. calcicola, and X. aureola, the latter of which is resurrected here from synonymy. The most important separating characters involve colour and thickness of the thallus, lobe width, morphology of laminar structures, and the texture of the upper surface. X. aureola, as recognized here, mostly occurs on seashore rocks. Part of the IGS region as well as the complete ITS were sequenced in 70 individual thalli representing ten geographical regions in Europe. In total, 19 different IGS haplotypes and 20 different ITS haplotypes were present in the data set. Owing to indications of possible recombination between the IGS and the ITS, the two data sets were analyzed separately. Haplotype networks were estimated, both of which indicate that X. parietina is distinct from X. aureola and X. calcicola. In our sample, the two latter do not share haplotypes, but are only separated by a few mutational steps.
10aAscomycota10aBase Sequence10aDNA, Fungal10aDNA, Ribosomal10aDNA, Ribosomal Spacer10aHaplotypes10aLichens10aMolecular Sequence Data10aMycological Typing Techniques10aPhylogeny10aRecombination, Genetic10aSequence Analysis, DNA10aSpores, Fungal1 aLindblom, L.1 aEkman, S uhttps://fungi.myspecies.info/content/molecular-evidence-supports-distinction-between-xanthoria-parietina-and-x-aureola