Ceriporiopsis microporus sp. nov. and Tyromyces formosanus sp. nov., found
growing saprotrophically on the decayed stems of Chamaecyparis formosensis
and unidentified hardwood, respectively, in Taiwan are described and illust
rated, C, microporus is distinguished by small hymenial pores and broadly e
llipsoid to subglobose basidiospores. T. formosanus is characterized by lar
ge, broadly ellipsoid to subglobose basidiospores. Cultural characteristics
are described for the two species.