ABSTRACT The Ghimbo Potai Customary Prohibited Forest is a conservation area with a land area of 70 ha in KotoTibun Village, Kampar District, Riau Province. The Ghimbo Potai Forest has a high level of biodiversity. This makes the forest a potential place to grow flora. The purpose of this study was to determine the diversity of vegetation in the Ghimbo Potai Customary Prohibition Forest. The m…