A. Thell

Publications181
h-index25
Citations2,341
Highly Influential Citations128
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Phylogeny of the Genus Cladonia s.lat. (Cladoniaceae, Ascomycetes) Inferred from Molecular, Morphological, and Chemical Data
Phylogenetic relationships within the genus Cladonia, including Cladina (Cladoniaceae, Lecanoromycetes), were reconstructed based upon simultaneous analyses of DNA sequences and morphological and… Expand
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A multigene phylogenetic synthesis for the class Lecanoromycetes (Ascomycota): 1307 fungi representing 1139 infrageneric taxa, 317 genera and 66 families.
The Lecanoromycetes is the largest class of lichenized Fungi, and one of the most species-rich classes in the kingdom. Here we provide a multigene phylogenetic synthesis (using three ribosomal… Expand
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High cyanobiont selectivity of epiphytic lichens in old growth boreal forest of Finland.
Here, cyanobiont selectivity of epiphytic lichen species was examined in an old growth forest area in Finland. Samples of the eight lichen species were collected from the same aspen (Populus tremula)… Expand
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A review of the lichen family Parmeliaceae - history, phylogeny and current taxonomy.
The largest family of lichen-forming fungi, the Parmeliaceae, is reviewed. It includes 79 genera in current use and ca 2726 species, a large majority of which belong to one of five main clades: the… Expand
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Monophyletic groups within the Parmeliaceae identified by ITS rDNA, β-tubulin and GAPDH sequences
Phylogenetic relationships within the Parmeliaceae are analysed cladistically on the basis of DNA characters from partial β-tubulin, partial glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and ITS… Expand
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Culture experiments and DNA sequence data confirm the identity of Lobaria photomorphs
Lichens consist of a fungal component that associates with either a green alga or cynobacterium, resulting in diverse morphologies. Resynthesis experiments of isolated myco- and photobionts, as well… Expand
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A phylogenetic analysis of xanthorioid lichens (Teloschistaceae, Ascomycota) based on ITS and mtSSU sequences
A phylogenetic analysis of xanthorioid lichens of the lichen family Teloschistaceae, based on ITS rDNA and mtSSU sequences, is presented. The data set includes 201 specimens representing 50 species,… Expand
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Phylogenetic generic classification of parmelioid lichens (Parmeliaceae,Ascomycota) based on molecular, morphological and chemical evidence.
Parmelioid lichens are a diverse and ubiquitous group of foliose lichens. Generic delimitation in parmelioid lichens has been in a state of flux since the late 1960s with the segregation of the… Expand
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Evolution of complex symbiotic relationships in a morphologically derived family of lichen-forming fungi.
We studied the evolutionary history of the Parmeliaceae (Lecanoromycetes, Ascomycota), one of the largest families of lichen-forming fungi with complex and variable morphologies, also including… Expand
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Contributions to the Teloschistaceae, with particular reference to the Southern Hemisphere
Thirty-five new species of the lichen family Teloschistaceae are described: Caloplaca aseptatospora S. Y. Kondr. & Karnefelt, C. bartlettii S. Y. Kondr. & Karnefelt, C. begaensis S. Y. Kondr. &… Expand
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