Abstract
Inocybe is a cosmopolitan genus of gilled mushrooms with high species diversity in the northern hemisphere. Focusing on moist habitats in Central Europe, several collections could not be assigned to any known species of Inocybe. Phylogenetic analyses revealed that these collections belonged to three phylogenetically distinct lineages. To ensure a correct interpretation of the species identity in comparison with morphologically similar species, an isotype of I. flavobrunnescens, isoparatypes of I. hirculus and I. lacunarum, and a paratype of I. caprimulgi were examined both morphologically and phylogenetically. Sequencing of the lectotype of I. tabacina Furrer-Ziogas designated in this manuscript failed, but other collections unequivocally belonging to the same species could be included in molecular phylogenies. As a result of molecular phylogenetic and morphological analyses, three new hygrophilous species of the genus Inocybe, subgenus Inocybe, are described: one smooth-spored, I. botaurina, and two nodulose-spored, I. bombina and I. undinea.
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Acknowledgements
We are grateful to the curator Reinhardt Berndt (Z) for the loan of the syntype (now lectotype) of I. tabacina. We would like to express our gratitude to Jukka Vauras and the herbarium in TUR-A for the gifts of specimens of I. caprimulgi, I. hirculus (isoparatype), I. lacunarum (isoparatype), I. rivularis, I. saliceticola, and I. substellata, and to Fernando Esteve-Raventós and the herbarium AH for a gift of an isotype of I. flavobrunnescens, and to Matthias Dondl for a specimen of I. praetervisa. We are furthermore grateful to Brandon Matheny for sequencing the French specimen of I. undinea, and to Martin Bemmann for technical and other help.
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DB, BO, and MT conceived the study. DB did all photographs, measurements, and drawings, unless stated otherwise. DB and PAM provided material. SP conducted the laboratory work. BO and SP analysed the sequence data. DB, BO, and MT wrote the manuscript, with contributions from PAM and SP. All authors have agreed in the publication of this article.
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Bandini, D., Oertel, B., Moreau, PA. et al. Three new hygrophilous species of Inocybe, subgenus Inocybe. Mycol Progress 18, 1101–1119 (2019). https://doi.org/10.1007/s11557-019-01509-y
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DOI: https://doi.org/10.1007/s11557-019-01509-y