Porina exacta sp. nov. is described. The new taxon resembles P. elegan
tula Mull. Arg., but differs in having larger perithecia and ascospore
s which are wider and consistently 15-septate. Porina impolita P.M.McC
arthy, previously known from subtropical latitudes in eastern Australi
a, is reported from cool temperate rainforest in Tasmania.