Tibell L.
(2001):
Cybebe gracilenta in an ITS/5.8S rDNA based phylogeny belongs to Chaenotheca (Coniocybaceae, lichenized Ascomycetes),
Lichenologist,
33(6): 519-525
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 …
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