The Genus Pteretis is a type of fern that belongs to the family Pteridaceae. This genus consists of three species, namely Pteretis dentata, Pteretis nodulosa, and Pteretis pennata. These species are commonly known as the "Brake Ferns" and are found in tropical and subtropical regions across the world. While the scientific name for this genus is Pteretis, it is also referred to by several synonyms. These include Acrostichum, Ceratopteris, Cryptogramma, Dryopteris, Pityrogramma, and more. These synonyms may be used interchangeably for this genus in scientific studies, horticulture, and plant identification.