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Luteoamylascus aculeatus (Pezizomycetes, Pezizaceae): a new genus and species near the Pachyphlodes–Amylascus lineage

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Abstract

The new taxon Luteoamylascus aculeatus described in this article is proposed to accommodate two collections of a hypogeous ascomycete from central Spain, characterized by a tomentose yellowish peridium, labyrinth-like gleba filled with whitish hyphae, and intensely reacting amyloid asci. ITS, 28S, and RPB2 data suggest that this new taxon is an independent lineage proposed here as the new genus Luteoamylascus. Until now, this lineage was only known from ectomycorrhizal root tips and mitotic spore mats. In phylogenetic analyses, the Luteoamylascus lineage is placed close to the genera Amylascus, Pachyphlodes, and Scabropezia. Morphological data suggest an affinity with Amylascus.

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Acknowledgments

We want to express our gratitude to Mr. A. Priego and Mr. J. A. Pérez of the Electron Microscopy Service of the University of Alcalá de Henares for their invaluable help with the SEM. We also thank Luis Monje of the Department of Drawing and Scientific Photography at Alcalá University for his help in the digital preparation of the photographs, and we are grateful to Dr. J. Rejos, curator of the AH herbarium, for his assistance with the specimens examined in the present study. We also thank Dr. Josephine Milne from the National Herbarium of Victoria (MEL) and Dr. Joseph Spatafora from Oregon State University (OSC) for kindly providing the Australian specimens, Dr. Teresa Lebel for helping us with valuable information, Dr. James Trappe for his generous access to specimens and expertise, and Dr. Matthew Smith for his help reviewing the manuscript. R. Healy’s participation was supported by the Institute for Food and Agricultural Sciences (IFAS) at the University of Florida.

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Authors and Affiliations

  1. C/ El Sol 6, 49800, Toro, Spain

    Julio Cabero

  2. ALVALAB, La Rochela 47, 39012, Santander, Spain

    Pablo Alvarado

  3. Department of Plant Pathology, University of Florida, Gainesville, FL, 32611, USA

    Rosanne Healy

  4. Departamento de Ciencias de la Vida (Botánica), Facultad de Biología, Universidad de Alcalá, 28805, Alcalá de Henares, Spain

    Gabriel Moreno

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  1. Julio Cabero
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  2. Pablo Alvarado
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  3. Rosanne Healy
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  4. Gabriel Moreno
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Correspondence to Julio Cabero.

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Section Editor: Franz Oberwinkler

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Cabero, J., Alvarado, P., Healy, R. et al. Luteoamylascus aculeatus (Pezizomycetes, Pezizaceae): a new genus and species near the Pachyphlodes–Amylascus lineage. Mycol Progress 15, 33 (2016). https://doi.org/10.1007/s11557-016-1177-9

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  • DOI: https://doi.org/10.1007/s11557-016-1177-9

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