Miscellaneous notes on Pleurotus

The paper takes up four points: 1) A previously unnamed intersterility group in Pleurotus (ISG XIII) has been identified as P. albidus, which fruits from Central America to central Argentina. The species is genetically isolated and phylogenetically it is placed in the ‘P. ostreatus’ group of monomitic Pleurotus basidiomata. 2) The distributional range of P. abieticola is extended to far northwestern Russia and northern China. 3) A partial nomenclator is furnished for P. djamor 4) The use of the term ‘dimitic’ is discussed as it pertains to Pleurotus.