Polylobatispora setulosa, a new freshwater hyphomycete from Ilhabela, Sao Paulo state, Brazil

Polylobatispora setulosa sp. nov. is described and illustrated from submerged mixed leaf litter samples collected at streams in Ilhabela, Sao Paulo state, Brazil. The fungus is distinct in having setulae at the tip of the conidial lobes. Acumispora verruculosa, isolated from identical substrate and characterized by the presence of fusiform, acuminate, rostrate, verrucose, 2-septate, hyaline to greenish conidia, is recorded for the third time from the Americas. They are compared with morphologically similar species and identification keys are provided.