Two new species of Ascotaiwania, A. persoonii and A. hughesii, collected fr
om submerged decorticated wood in lotic and lentic habitats, are described
and illustrated. The anamorph for A. hughesii, Helicoon farinosum, is confi
rmed by cultural studies. Ascotaiwania hsilio is reported for the first tim
e from North America.