Genus Pellaea, also known as the cliff brakes, comprises over 100 species of ferns native to the Americas, Eurasia, and Africa. These ferns have a distinctive look with their finely divided fronds and spore-producing structures known as sori. Some of the synonyms for Genus Pellaea include rock ferns, cliff ferns, and wall ferns. These synonyms reflect the plants' preferred habitats, which include rocky outcrops, cliffs, and walls. Species within this genus are often used in landscaping and gardening for their hardiness and attractive foliage. Overall, Genus Pellaea and its many synonyms highlight the diversity and adaptability of ferns in the natural world.