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Molecular data favours a monogeneric Peltulaceae (Lichinomycetes)

Published online by Cambridge University Press:  08 May 2018

Frank KAUFF ,
Alexandra BACHRAN ,
Matthias SCHULTZ ,
Valérie HOFSTETTER ,
François LUTZONI  and
Burkhard BÜDEL
Frank KAUFF
Affiliation:
Justus-Liebig-Universität, Medizinische Klinik IV, Hämatologie, Klinikstrasse 36, 35392 Giessen, Germany
Alexandra BACHRAN
Affiliation:
Wesendonckstr. 2, 53115 Bonn, Germany
Matthias SCHULTZ
Affiliation:
Herbarium Hamburgense, Biocenter Klein Flottbek, University of Hamburg, Ohnhorststraße 18, 22609 Hamburg, Germany
Valérie HOFSTETTER
Affiliation:
Agroscope, Strategic Research Division Plant Protection, Mycology and Biotechnology, Route de Duiller 60, P. O. Box 1012, 1260 Nyon, Switzerland
François LUTZONI
Affiliation:
Department of Biology, Duke University, P. O. Box 90338, Durham, NC 27708, USA
Burkhard BÜDEL*
Affiliation:
Department of Plant Ecology and Systematics, University of Kaiserslautern, Erwin-Schrödinger-Straße, 67653 Kaiserslautern, Germany.
*
(corresponding author): Email: buedel@bio.uni-kl.de
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Abstract

The family Peltulaceae is currently composed of the three genera Peltula, Phyllopeltula and Neoheppia. The last two genera, both with two species, are distinguished from Peltula only by a small number of morphological characters. The morphology of the genus Peltula varies from peltate-umbilicate thalli to squamulose-semifruticose or squamulose-compound types, as well as subfoliose-compound and crustose types. All types have an upper epinecral layer and possess medullary cavities of various sizes; a lower cortex is normally present but is usually not developed in the subfoliose and crustose types. The genera Neoheppia and Phyllopeltula differ from the common Peltula morphology by crustose-areolate and subfoliose-compound thalli, respectively. Both Neoheppia and Phyllopeltula are additionally characterized by the absence of medullary cavities and lower cortices. To investigate the phylogenetic validity of Phyllopeltula and Neoheppia, we sequenced six loci from representatives of these two genera together with 37 species from Peltula. Despite the relatively high amount of conflict among loci, the results clearly indicate that both Phyllopeltula and Neoheppia are not monophyletic, and are nested within the genus Peltula. Consequently, we subsumed species of these two genera within the genus Peltula.

Keywords

NeoheppiaPeltulaphylogenyPhylopeltulataxonomy
Type
Articles
Information
The Lichenologist , Volume 50 , Issue 3 , May 2018 , pp. 313 - 327
Copyright
© British Lichen Society, 2018 

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