A survey of Polyporus species was carried out in "Parque Estadual das Fontes do Ipiranga" (PEFI), Municipality of São Paulo, São Paulo State, Brazil. Eight species were found: Polyporus arcularius (Batsch) Fr., P. dictyopusMont., P. guianensis Mont., P. lentinoides (Henn.) Lloyd, P. philippinensis Berk., P. tenuiculus (P. Beauv.) Fr., P. tricholoma Mont. and P. udus Jungh. Polyporus philippinensis and P udus are new records for São Paulo State. Identification key for species, descriptions, comments and illustrations of the taxa studied are provided.
Atlantic Forest; Basidiomycota; biodiversity; taxonomy
