Six new ascomycetes from Taiwan.

Eight new species of ascomycete, Anthostomella longispora sp. nov., Capronia glabra sp. nov., Dictyonella circinata sp. nov., Guignardia castanopsis sp. nov., G. clematidis sp. nov., Hysterographium longisporum sp. nov., Ophiodothella arengae sp. nov. Saccardoella miscanthi sp. nov. from Taiwan are described, illustrated and compared with closely related taxa. Keys to Anthostomella species on Smilax and to the recognized species of Dictyonella are also provided. The two Guignardia species are also associated with Phyllosticta anamorphs.