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Progress in understanding the evolution and classification of lichenized ascomycetes

Published online by Cambridge University Press:  15 August 2002

Martin Grube  and
Katarina Winka
Martin Grube
Affiliation:
Institute of Botany, Karl-Franzens-University, Holteigasse 6, A-8010 Graz, Austria. E-mail: martin.grube@uni-graz.at
Katarina Winka
Affiliation:
Department of Ecology and Environmental Science, Umeå University, SE - 901 87 Umeå, Sweden. E-mail: katarina.winka@eg.umu.se
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Abstract

This article reviews the current state of knowledge about the evolutionary history of lichenized ascomycetes within an integrated system of all ascomycetes. Substantial progress has been made since molecular techniques were applied to unravel evolutionary relationships. Molecular approaches detect how often the lichen symbiosis arose, test current classification concepts, and find the proper placement for species with uncertain relationships. Uncertainties in some evolutionary hypotheses still need to be resolved by studying further genes. The currently available phylogenetic trees show a number of convergent phenotypic developments in lichenized ascomycetes. The current classification of ascomycetes is reviewed in the light of recent molecular data.

Keywords

Lichensascomycetessystematicsphylogenyevolutionary history
Type
Research Article
Information
Mycologist , Volume 16 , Issue 2 , May 2002 , pp. 67 - 76
Copyright
© 2002 Cambridge University Press

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