Aspleniaceae

: Many species, particularly in temperate regions, are specialized for growing in the crevices of rocks and stone walls (e.g., Maidenhair Spleenwort ).

The classification of Aspleniaceae has historically been a subject of debate among botanists. Under the PPG I (Pteridophyte Phylogeny Group) classification system, the family is considered and primarily consists of only two genera: aspleniaceae

: Fronds can vary dramatically from simple and undivided (e.g., Bird's Nest Fern) to highly complex, four-fold pinnate structures. Habitat and Ecology : Many species, particularly in temperate regions, are