ABSTRACT Kuantan Singingi Regency, especially Benai District, is one of the distribution places for ferns. The purpose of this research is to conduct a floristic study of the types of ferns that grow in Benai District, Kuantan Singingi Regency, Riau Province. Samples in the field were collected by the exploration method. Then the morphological identification was carried out and the data were an…