Abstract
Tylopilus is a worldwide distributed genus of boletes with about 100 known taxa, of which at least 16 are fromBrazil and Guyana. Tylopilus dunensis, a species originally described from sand dune habitats in the state of Rio Grande doNorte in northeastern Brazil, has now been recovered in a ‘tabuleiro’ (i.e., tableland forest) from Paraíba. The main pheneticfeatures of this still poorly known species are the orange to orange-ochraceous pileus with yellowish brown margins, unchangingpileus context, the pale cream hymenophore with wide pores, the yellowish stipe, the small and narrow basidiospores, andthe long and frequent dextrinoid pseudocystidioid pleurocystidia. After the discovery of the phylloporoid tube trama in ourspecimens, we emended tube trama type of T. dunensis.
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