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Nora Wirtz

Researcher at University of Duisburg-Essen

Publications -  13
Citations -  758

Nora Wirtz is an academic researcher from University of Duisburg-Essen. The author has contributed to research in topics: Usnea & Parmeliaceae. The author has an hindex of 11, co-authored 13 publications receiving 705 citations. Previous affiliations of Nora Wirtz include Complutense University of Madrid.

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One hundred new species of lichenized fungi : a signature of undiscovered global diversity

H. Thorsten Lumbsch, +103 more
- 18 Feb 2011 - 
TL;DR: A total of 100 new species of lichenized fungi are described, representing a wide taxonomic and geographic range, and emphasizing the dire need for taxonomic expertise in lichenology.
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The delimitation of Antarctic and bipolar species of neuropogonoid Usnea (Ascomycota, Lecanorales): a cohesion approach of species recognition for the Usnea perpusilla complex

TL;DR: A phylogenetic analysis revealed three related complexes of mainly asexual lineages arranged around three fertile Usnea species: U. perpusilla, which could also delimit an undescribed fertile species with yellow apothecia and a new asexual species from the High Andes.
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Lichen fungi have low cyanobiont selectivity in maritime Antarctica

TL;DR: The Antarctic lichen species here did not use species-specific cyanobionts; this could be because of a selection pressure in this extreme environment, which results in selection against photobiont specificity, a selection Pressure that may be more important for lichen distribution than the effect of cold temperatures on metabolism.
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Phylogenetic and morphological analysis of Antarctic lichen-forming Usnea species in the group Neuropogon

TL;DR: Phylogenetic analyses indicated that species circumscription in the Neuropogon group needs revision, with the principal species being non-monophyletic, and none of the morphological characters, or groups of characters, used in this study proved to be completely unambiguous markers for a single species.
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Using haplotype networks, estimation of gene flow and phenotypic characters to understand species delimitation in fungi of a predominantly Antarctic Usnea group (Ascomycota, Parmeliaceae)

TL;DR: Examination of species boundaries in the predominantly Antarctic and South American group of neuropogonoid species of the lichen-forming fungal genus Usnea identified several clades that were significantly associated with phenotypic characters, but did not necessarily agree with current species circumscriptions.