New combinations are proposed in Thelypteris subg. Amauropelta: T. eri
osora, T. novaeana, T. rioverdensis, and T. tamandarei from Brazil. Ne
w records of T. oligocarpa var. crassistipitata from Brazil and a new
Brazilian range of T. glaziovii and T. heineri are provided. New synon
ymies for T. mosenii from Brazil and Paraguay are also established.