Stefan Ekman

Summary

Country: Sweden

Publications

  1. ncbi The limitations of ancestral state reconstruction and the evolution of the ascus in the Lecanorales (lichenized Ascomycota)
    Stefan Ekman
    Museum of Evolution, Evolutionary Biology Centre, Uppsala University, Norbyvägen 16, Uppsala, Sweden
    Syst Biol 57:141-56. 2008
  2. ncbi The devil in the details: interactions between the branch-length prior and likelihood model affect node support and branch lengths in the phylogeny of the Psoraceae
    Stefan Ekman
    Museum of Evolution, Uppsala University, Norbyvägen 16, SE 752 36 Uppsala, Sweden
    Syst Biol 60:541-61. 2011
  3. ncbi Molecular phylogeny of the genus Lecania (Ramalinaceae, lichenized Ascomycota)
    Rikke Reese Naesborg
    Systematic Botany, Evolutionary Biology Centre, Uppsala University, Norbyvagen 18D, SE 752 36 Uppsala, Sweden
    Mycol Res 111:581-91. 2007
  4. ncbi Evolution and taxonomy of the marine Collemopsidium species (lichenized Ascomycota) in north-west Europe
    Fiona Mohr
    Department of Biology, University of Bergen, , N-5007 Bergen, Norway
    Mycol Res 108:515-32. 2004
  5. ncbi Disintegration of the Micareaceae (lichenized Ascomycota): a molecular phylogeny based on mitochondrial rDNA sequences
    Heidi L Andersen
    Department of Biology, University of Bergen, Allegaten 41, N 5007 Bergen, Norway
    Mycol Res 109:21-30. 2005
  6. ncbi Molecular evidence supports the distinction between Xanthoria parietina and X. aureola (Teloschistaceae, lichenized Ascomycota)
    Louise Lindblom
    Department of Biology, University of Bergen, Allegaten 41, N 5007 Bergen, Norway
    Mycol Res 109:187-99. 2005
  7. ncbi The sister group relation of parmeliaceae (Lecanorales, Ascomycota)
    Ulf Arup
    Botanical Museum, Lund University, Ostra Vallgatan, SE 223 61 Lund, Sweden
    Mycologia 99:42-9. 2007
  8. ncbi Genetic variation and population differentiation in the lichen-forming ascomycete Xanthoria parietina on the island Storfosna, central Norway
    Louise Lindblom
    Department of Biology, University of Bergen, Norway
    Mol Ecol 15:1545-59. 2006
  9. ncbi Fungal diversity in rock beneath a crustose lichen as revealed by molecular markers
    Torbjørg Bjelland
    Bergen Museum, Natural History Collections Botany, University of Bergen, Allegaten 41, N 5007 Bergen, Norway
    Microb Ecol 49:598-603. 2005
  10. ncbi Phylogenetic relationships of Lecanoromycetes (Ascomycota) as revealed by analyses of mtSSU and nLSU rDNA sequence data
    Mats Wedin
    Department of Ecology and Environmental Science, Umea University, SE 901 87 Umea, Sweden
    Mycol Res 109:159-72. 2005

Collaborators

Detail Information

Publications11

  1. ncbi The limitations of ancestral state reconstruction and the evolution of the ascus in the Lecanorales (lichenized Ascomycota)
    Stefan Ekman
    Museum of Evolution, Evolutionary Biology Centre, Uppsala University, Norbyvägen 16, Uppsala, Sweden
    Syst Biol 57:141-56. 2008
    ....
  2. ncbi The devil in the details: interactions between the branch-length prior and likelihood model affect node support and branch lengths in the phylogeny of the Psoraceae
    Stefan Ekman
    Museum of Evolution, Uppsala University, Norbyvägen 16, SE 752 36 Uppsala, Sweden
    Syst Biol 60:541-61. 2011
    ..96. Support for the genus Psora is distinctly lower, but we found no evidence to contradict the current classification...
  3. ncbi Molecular phylogeny of the genus Lecania (Ramalinaceae, lichenized Ascomycota)
    Rikke Reese Naesborg
    Systematic Botany, Evolutionary Biology Centre, Uppsala University, Norbyvagen 18D, SE 752 36 Uppsala, Sweden
    Mycol Res 111:581-91. 2007
    ..gerlachei, L. brialmontii, and L. racovitzae. An alternative to recognizing these two genera would be a wider circumscription of Bilimbia to include the 'Thamnolecania' group as well as affiliated taxa...
  4. ncbi Evolution and taxonomy of the marine Collemopsidium species (lichenized Ascomycota) in north-west Europe
    Fiona Mohr
    Department of Biology, University of Bergen, , N-5007 Bergen, Norway
    Mycol Res 108:515-32. 2004
    ..Five species of marine Collemopsidium are recognized, including two new combinations: C. foveolatum (syn. Arthopyrenia foveolata) and C. ostrearum (syn. Lecanactis ostrearum) combs. nov...
  5. ncbi Disintegration of the Micareaceae (lichenized Ascomycota): a molecular phylogeny based on mitochondrial rDNA sequences
    Heidi L Andersen
    Department of Biology, University of Bergen, Allegaten 41, N 5007 Bergen, Norway
    Mycol Res 109:21-30. 2005
    ..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...
  6. ncbi Molecular evidence supports the distinction between Xanthoria parietina and X. aureola (Teloschistaceae, lichenized Ascomycota)
    Louise Lindblom
    Department of Biology, University of Bergen, Allegaten 41, N 5007 Bergen, Norway
    Mycol Res 109:187-99. 2005
    ..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...
  7. ncbi The sister group relation of parmeliaceae (Lecanorales, Ascomycota)
    Ulf Arup
    Botanical Museum, Lund University, Ostra Vallgatan, SE 223 61 Lund, Sweden
    Mycologia 99:42-9. 2007
    ..Parmeliaceae in our sense is a well supported group, including also the family segregates Alectoriaceae, Hypogymniaceae, Usneaceae and Anziaceae...
  8. ncbi Genetic variation and population differentiation in the lichen-forming ascomycete Xanthoria parietina on the island Storfosna, central Norway
    Louise Lindblom
    Department of Biology, University of Bergen, Norway
    Mol Ecol 15:1545-59. 2006
    ..Estimates of divergence time between populations in the respective habitats indicate that an ancestral population started to diverge at least 34,000 years ago but probably much further back in time...
  9. ncbi Fungal diversity in rock beneath a crustose lichen as revealed by molecular markers
    Torbjørg Bjelland
    Bergen Museum, Natural History Collections Botany, University of Bergen, Allegaten 41, N 5007 Bergen, Norway
    Microb Ecol 49:598-603. 2005
    ..One fungal species in the order Helotiales occurs in six of the eight cores. The significance of these results to the colonization and weathering of rock by lichenized fungi is discussed...
  10. ncbi Phylogenetic relationships of Lecanoromycetes (Ascomycota) as revealed by analyses of mtSSU and nLSU rDNA sequence data
    Mats Wedin
    Department of Ecology and Environmental Science, Umea University, SE 901 87 Umea, Sweden
    Mycol Res 109:159-72. 2005
    ..The phylogenetic significance of ascus-types that have influenced most recent Ascomycota classifications heavily is also discussed, and we finally point out risks with formalizing classifications too early...
  11. ncbi Supraordinal phylogenetic relationships of Lecanoromycetes based on a Bayesian analysis of combined nuclear and mitochondrial sequences
    H Thorsten Lumbsch
    Botanisches Institut, Universitat Essen, Essen 45117, Germany
    Mol Phylogenet Evol 31:822-32. 2004
    ..lat. (incl. Graphidales) can be rejected, while monophyly of Gyalectales and the Pertusariales and placement of Umbilicariales on the Lecanorales branch cannot be rejected with the current data set...