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    Description

    A new basidiomycete genus, Rhizochaete (Phanerochaetaceae, polyporales) is described. Rhizochaete is characterized by a smooth to tuberculate, pellicular hymenophre and hyphal cords that turn red or violet in potassium hydroxide, monomitic hyphal system of simple or nodose septate hyphae, cystidia, and small, cylindrical to subglobose basidiospores. It morphologically is most similar to Phanerochaete. Analyses of nuclear ribosomal and internaltranscribed spacer region sequence data support a close relationship between Rhizochaete and Phanerochaete. The new taxon R. brunnea, from southern Argentina, is described and illustrated. In addition, the new combinations R. americana, R borneensis, R. filamentosa, R. fouquieriae and R. radicata are proposed. A key to the species of Rhizochaete is provided.

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    Citation

    Greslebin, Alina; Nakasone, Karen K.; Rajchenberg, Mario 2004. Rhizochaete, a new genus of phanerochaetoid fungi. Mycologia. Vol. 96, no. 2 (2004): Pages 260-271.

    Keywords

    Basidiomycetes, Ceraceomyces americanus, Ceraceomyces fouquieriae, internal transcribed spacer region, Phanerochaetaceae, Phanerochaete borneensis, Phanerochaete filamentosa, Phanerochaete radicata, Polyporales, Rhizochaete brunnea, ribsomal DNA, taxonomy

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