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Abstract
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.
Citation
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
