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Title: Gymnomyces xerophilus sp. nov. (sequestrate Russulaceae), an ectomycorrhizal associate of Quercus in California.

Author: Smith, Matthew E.; Trappe, James M.; Rizzo, David M.; Miller, Steven L.;

Date: 2006

Source: Mycological Research. 110: 575-582

Publication Series: Miscellaneous Publication

Description: Gymnomyces xerophilus sp. nov., a sequestrate species in the Russulaceae, is characterized and described morphologically as a new species from Quercus-dominated woodlands in California. ITS sequences recovered from healthy, ectomycorrhizal roots of Quercus douglasii and Q. wislizeni matched those of G. xerophilus basidiomata, confirming the ectomycorrhizal status of this fungus. Phylogenetic analysis of the ITS region places G. xerophilus in a clade with both agaricoid (Russula in the section Polychromae) and sequestrate (Gymnomyces, Cystangium) relatives. We include a dichotomous key to the species of Gymnomyces associated with Quercus.

Keywords: Basidiomycota, hypogeous fungi, ITS, molecular phylogeny, Russula

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Smith, Matthew E.; Trappe, James M.; Rizzo, David M.; Miller, Steven L. 2006. Gymnomyces xerophilus sp. nov. (sequestrate Russulaceae), an ectomycorrhizal associate of Quercus in California. Mycological Research. 110: 575-582

 


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