New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil

Nineteen mostly dothideomycetous lignicolous ascomycetes are reported from Brazil. One species, Melomastia septemseptata sp. nov., is newly described. It is corticolous in Cerrado. Twelve are new records to South America, one is new to Brazil and six are new records for the state of Mato Grosso do Sul. Most species were from the Cerrado biome but they are mostly cosmopolitan.