Tricholoma smithii, a new species in the Pardinicutis complex from New Mexico and Colorado

A new species of Tricholoma , T. smithii , is described from New Mexico and Colorado.  It is reminiscent of and belongs in the same clade as Tricholoma pardinum .   It has the same stature as T. pardinum but differs by the browner pileal coloration and by the presence of pleurocystidia.  A detailed description, drawings and images of the new species are provided as well as a phylogenetic analysis based on ITS sequences.