New Porcini (Boletussect. Boletus) from Australia and Thailand

Boletus albobrunnescensand B. austroedulisare described as new species in section Boletusfrom Thailand and Australia respectively. The former is easily characterized by the pure white basidiomata that stain brown. Boletus austroedulishas a gray-brown, slightly rugulose pileus with hymeniform pileipellis producing pileocystidia, and the stipe is only apically reticulate if at all. These new species represent ancient lineages inferred from prior molecular phylogenetic analyses.