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Cybebe gracilenta in an ITS/5.8S rDNA based phylogeny belongs to Chaenotheca (Coniocybaceae, lichenized Ascomycetes)

Published online by Cambridge University Press:  28 March 2007

Leif Tibell
Leif Tibell
Affiliation:
Department of Systematic Botany, Evolutionary Biology Centre, Uppsala University, Xorbyvagen 18D, SE-75236 Uppsala, Sweden.
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Abstract

Cybebe was described as a monotypic genus in the Coniocybaceae distinguished from Chaenotheca by its unusual ascus ontogeny and its unpigmented spore wall. In a molecular phylogeny based on maximum parsimony analyses of their ITS1-5.8S-ITS2 rDXA sequences, specimens of Cybebe gracilenta formed a strongly supported group with Chaenotheca gracillima. Thisgroup in turn is also well supported as a part of Chaenotheca indicating that the features characteristic of Cybebe are indeed autapomorphic and that Cybebe gracilenta should be included in Chaenotheca.

Type
Research Article
Information
The Lichenologist , Volume 33 , Issue 6 , November 2001 , pp. 519 - 525
Copyright
Copyright © British Lichen Society 2001

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