A study of the physiological, cytological, and morphological characteristics of four species of the genusAscodesinishas been made. The genus represents a highly specialized coprophilous group of the operculate discomycetes, probably belonging to the Humariaceae. A new specific name (Ascodesmis sphaerosporanom. nov.) and a new species (Ascodesmis macrosporasp. nov.) are proposed.
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