Mycologia
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DOI: 10.3852/mycologia.99.4.569
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Mycologia, 99(4), 2007, pp. 569-585.
© 2007 by The Mycological Society of America

Taxonomy of displaced species of Tubaria


P. Brandon Matheny 1

     Clark University, Biology Department, 950 Main Street, Worcester, Massachusetts 01610

Else C. Vellinga

     Department of Plant and Microbial Biology, University of California at Berkeley, Berkeley, California 94720-3102

Neale L. Bougher

     Department of Environment and Conservation, Western Australian Herbarium, Locked Bag 104, Bentley Delivery Centre, Perth, Western Australia 6983, Australia

Oluna Ceska

     P.O. Box 8546, Victoria, British Columbia, V8W 3S2, Canada

Pierre-Arthur Moreau

     Laboratoire de Botanique, Faculté de Sciences Pharmaceutiques et Biologiques, 3 rue du Professeur Laguesse, BP 83, F-59006 Lille Cédex, France

Maria Alice Neves

     Institute of Systematic Botany, New York Botanical Garden, Kazimiroff Boulevard at 200th Street, Bronx, New York 10458-5126

Joseph F. Ammirati

     University of Washington, Biology Department, Box 355325, Seattle, Washington 98195 USA

A taxonomic treatment of vinaceous and reddish species of Tubaria (Agaricales) is presented based on morphology and nucleotide sequences. Accessions from western North America, Europe, Central America, the Caribbean and Australia are compared. Phylogenetic analysis of the 25S rRNA gene and internal transcribed spacer (ITS) regions demonstrates that Tubaria is not monophyletic. However the autonomy of six brown-spored, saprotrophic species—Naucoria vinicolor, Pholiota serrulata, Phaeomarasmius confragosus, Pholiota punicea, Tubaria rufofulva and T. bispora sp. nov.—is affirmed. All six species form a strongly supported monophyletic group that we label section Confragosae in the genus Tubaria. This section is related to T. dispersa, T. albostipitata and numerous representatives of the T. furfuracea complex. Tubaria minima is related to other lineages of dark-spored Agaricales. Taxonomic descriptions, illustrations and a key to confirmed species of section Confragosae are provided. Four new combinations are proposed, and one new species, T. bispora, is described as new from Costa Rica and Martinique. A lectotype is designated for Pholiota serrulata.

Key words: Agaricales, Basidiomycota, new combinations, species, systematics

1 Corresponding author. E-mail: pmatheny{at}clarku.edu






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Copyright © 2007 by The Mycological Society of America.