A peer-reviewed open-access journal MycoKeys 46: 1–54 (2019)The genus Hebeloma in the Rocky Mountain Alpine Zone 1 doi: 10.3897/mycokeys.46.32823 RESEARCH ARTICLE MycoKeys http://mycokeys.pensoft.net Launched to accelerate biodiversity research The genus Hebeloma in the Rocky Mountain Alpine Zone Cathy L. Cripps1, Ursula Eberhardt2, Nicole Schütz2, Henry J. Beker3, Vera S. Evenson4, Egon Horak5 1 Plant Sciences and Plant Pathology, 119 Plant Biosciences Bldg, Montana State University, Bozeman, MT 59717, USA 2 Staatliches Museum für Naturkunde Stuttgart, Rosenstein 1, D-70191 Stuttgart, Germany 3 Rue Père de Deken 19, B-1040 Bruxelles, Belgium; Royal Holloway College, University of London, Egham, United Kingdom; Plantentuin Meise, Nieuwelaan 38, B-1860 Meise, Belgium 4 Sam Mitchel Herbarium of Fungi, Denver Botanic Garden, 909 York Street, Denver, CO 80206, USA 5 Institute of Microbiology, Uni- versity of Innsbruck, Technikerstrasse 25, 6th floor, A-6020 Innsbruck, Austria Corresponding author: Cathy L. Cripps (
[email protected]) Academic editor: T. Lumbsch | Received 3 January 2019 | Accepted 17 January 2019 | Published 11 February 2019 Citation: Cripps CL, Eberhardt U, Schütz N, Beker HJ, Evenson VS, Horak E (2019) The genusHebeloma in the Rocky Mountain Alpine Zone. MycoKeys 46: 1–54. https://doi.org/10.3897/mycokeys.46.32823 Abstract Numerous taxa of Hebeloma have been reported in association with Salix, Dryas, and Betula in arctic-alpine habitats. However, species are notoriously difficult to delineate because morphological features overlap, and previously there was little reliable molecular data available. Recent progress in ITS-sequencing within the genus, coupled with an extensive database of parametrically described collections, now allows comparisons between species and their distributions.