Paraniesslia tuberculata gen. et sp. nov., and New Records or Species of Clypeosphaeria, Leptosphaeria and Astrosphaeriella in Hong Kong Freshwater Habitats

Paraniesslia tu berculata gen. et sp. nov., Clypeosphaeria uniseptata sp. nov. and Leptosphaeia qinimia sp. nov. are described and illustrated from wood submerged in freshwater habitats in Hong Kong, while Astrosphaw2'ella stellatn is reported as a new record from a river in Hong Kong. Paranie.sslia tuberculata has characteristic features of the Niessliaceae,\nbut is unique in producing greenish-brown ascospores with tuberculate ornamentation.