INVENTARISASI TUMBUHAN PAKU (PTERIDOFITA) DI KECAMATAN HULU KUANTAN, KABUPATEN KUANTAN SINGINGI, PROVINSI RIAU
Hulu Kuantan Subdistrict, Kuantan Singingi Regency, is one of the distribution area of ferns in Riau Province. The purpose of this study was to determine the diversity of ferns (Pteridophytes) in the region. The research was conducted from September to December 2018. Samples were collected using exploration method, and prepared for herbarium specimens in Botanical Laboratory, Biology Department, Faculty of Mathematics and Natural Sciences, Universitas Riau. The results identified a total of 26 fern species, belong to 15 families. i.e Athyriaceae (1 species), Dennstaedtiaceae (1 species), Dryopteridaceae (1 species), Lycopodiaceae (1 species), Gleicheniaceae (1 species), Nephrolepidaceae (1 species) Selaginellaceae (1 species), Therypteridaceae (1 species), Tectariaceae (1 species), Aspleniaceae (2 species), Lygodiaceae (2 species), Blechnaceae (3 species), Pteridaceae (4 species), Polypodiaceae (5 species). Each family is characterized by stem and leaf morphology, as well as shape and position of sori.