Unravelling the diversity of European Caliciopsis (Coryneliaceae, Ascomycota): Caliciopsis valentina sp. nov. and C. beckhausii comb. nov., with a worldwide key to Caliciopsis

Isaac Garrido-Benavent,Sergio Pérez-Ortega

doi:10.1007/s11557-015-1034-2

Isaac Garrido-Benavent, Sergio Pérez-Ortega

Open Access

https://doi.org/10.1007/s11557-015-1034-2

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Journal: Mycological Progress	Publication Date: Mar 1, 2015
Citations: 26	License type: cc-by

Affiliation: Museo Nacional de Ciencias Naturales

Abstract

The new species Caliciopsis valentina from the eastern Iberian Peninsula is characterized morphologically, anatomically, and molecularly. The occurrence of C. subcorticalis (Cooke & Ellis) Fitzp. in Europe is discussed. Based on the revision of fresh and herbarium specimens we propose the new combination Caliciopsis beckhausii with a neotype selected for this taxon. New molecular data (ITS and nuLSU) are used in combination with available sequences to build a preliminary phylogenetic hypothesis for this genus. We point out some previously overlooked colour-reaction tests as relevant for the systematics of the group. Finally, an updated key for all known Caliciopsis species is provided.

Highlights

Recent research on the evolution of the mazaedium, a type of passively spore-dispersion structure, confirmed that the genus Caliciopsis Peck (Coryneliales, Ascomycota) belongs to the Eurotiomycetes (Prieto et al 2013)
Our study has revealed that the two enigmatic Caliciopsis species found in the Iberian Peninsula represent a new species, C. valentina, and a species similar to C. subcorticalis but with distinctive traits that relate it to an apparently different, forgotten species described in central Europe
Internal transcribed spacer (ITS) and nuLSU trees mostly differed in the phylogenetic position of C. beckhausii regarding C. valentina

Summary

Introduction

Recent research on the evolution of the mazaedium, a type of passively spore-dispersion structure, confirmed that the genus Caliciopsis Peck (Coryneliales, Ascomycota) belongs to the Eurotiomycetes (Prieto et al 2013). This was previously suggested in several comprehensive phylogenetic studies (Geiser et al 2006; Spatafora et al 2006). The role of parasitic species on the fitness of their hosts has been long overlooked, but Ramsfield et al (2008) recently assessed the effect of C. arceuthobii (Peck) M.E. Barr as a biological control agent for Arceuthobium americanum, the lodgepole pine dwarf mistletoe

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