Fungal Diversity in Europe, 4th Edition

A special issue of Journal of Fungi (ISSN 2309-608X). This special issue belongs to the section "Fungal Evolution, Biodiversity and Systematics".

Deadline for manuscript submissions: 31 May 2026 | Viewed by 2545

Special Issue Editor

Special Issue Information

Dear Colleagues,

Although 30 years have passed since the publication of the first national and regional checklists and red lists, knowledge about fungi is still fragmentary. Furthermore, there is a clear knowledge gap between northern and Mediterranean countries, as well as North African countries bordering the Mediterranean Sea.

This Special Issue aims to produce data on the distribution and ecology of fungi and conservation strategies to provide an up-to-date picture not only for researchers but also for ordinary citizens who are increasingly involved in the protection of ecosystems and biodiversity. This Special Issue also provides an incentive for the implementation of studies on the systematics and taxonomy of fungi, a field of research that must be promoted by new generations of researchers.

Prof. Giuseppe Venturella
Guest Editor

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Keywords

  • fungi checklists
  • Europe
  • diversity
  • ecology
  • conservation

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Published Papers (1 paper)

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Research

36 pages, 9299 KB  
Article
Revision of the Genus Cyanoboletus (Boletaceae) in the Mediterranean Basin with Notes on Arsenic Hyperaccumulation
by Alona Yu. Biketova, Isaac Garrido-Benavent, Vasco Fachada, Giampaolo Simonini, Matteo Gelardi, Boris Assyov, Elias Polemis, Antoni Conca, Roseina Woods, Georgios I. Zervakis, Jan Borovička and Andrea C. Rinaldi
J. Fungi 2026, 12(5), 315; https://doi.org/10.3390/jof12050315 - 25 Apr 2026
Viewed by 2257
Abstract
This study revises the genus Cyanoboletus (Boletaceae) in the Mediterranean Basin, integrating single-locus and multi-locus phylogenetic analyses (ITS, LSU, tef1-α, and rpb2), morphological characterisation, ecology, and arsenic accumulation in basidiomes. Morphological descriptions (including a new form, Cyanoboletus mediterraneensis f. [...] Read more.
This study revises the genus Cyanoboletus (Boletaceae) in the Mediterranean Basin, integrating single-locus and multi-locus phylogenetic analyses (ITS, LSU, tef1-α, and rpb2), morphological characterisation, ecology, and arsenic accumulation in basidiomes. Morphological descriptions (including a new form, Cyanoboletus mediterraneensis f. pallidus), comprehensive sampling, type studies, biogeography, macro- and microphotographs, an identification key, and a historical overview of the nomenclatural issues surrounding C. pulverulentus, C. poikilochromus, and C. mediterraneensis are given. An epitype collection is designated for C. pulverulentus. A new method to measure spore suprahilar depression has been proposed, which allowed more clear morphological separation between C. mediterraneensis and C. pulverulentus. This method may prove useful for species delimitation in other fungal groups that have asymmetric basidiospores. Additionally, we generated a new ITS sequence of the C. sinopulverulentus holotype and inferred its conspecificity with the later described C. flavocontextus. Furthermore, notes on the taxonomy of Boletus gabretae are presented, and its placement in the genus Neoboletus is suggested. Cyanoboletus is confirmed as a strongly supported generic clade encompassing 21 monophyletic species-level clades, 14 of which represent known species, and seven are undescribed taxa. The synonymy of Cupreoboletus with Cyanoboletus is also verified. This publication provides the tools to delimit Cyanoboletus species that have important conservation value, which can be used by conservationists, ecologists, and citizen scientists. It also highlights species-specific arsenic hyperaccumulation in C. pulverulentus, contributing to a better understanding of fungal metal uptake. Our study indicates that within Cyanoboletus, only C. pulverulentus demonstrates this characteristic and is the only known member of Boletales that possesses a high arsenic accumulation ability. Full article
(This article belongs to the Special Issue Fungal Diversity in Europe, 4th Edition)
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