Davalliaceaeare fern plants belonging to the Polypodialesorder. The members of the family are close relatives to the numerous family of the Polypodiaceaeand have similar morphological traits with them.
Davalliaceaeoriginate in the tropical and subtropical regions of Australia, Asia and Africa. The members of the family are not too high and do not reach large sizes. In their natural habitat they usually develop as epiphyte plants, sometimes terrestrial or growing in the cracks of rocks.
Many of the species of the family are to a large extent similar to one another, so much that the distinction between them is usually done via the specific skills of experts. Nevertheless, research in the 1990 that was to determine the number of the species led to the conclusion that these were 110.Then in 2008, their number was brought down to 63 species.