Gunung Mulu National Park contains a large number of plant species. The park has 17 vegetation zones, with 3,500 species of vascular plants,[1] and 1,500 species of flowering plants.[2] There are 109 species in 20 genera of palms, over 1,700 mosses and liverworts,[13] 8,000 species of fungi, and 442 species of spore-producing pteridophytes are recorded.[7] Examples of vegetation zones found in the park are: peat swamp forest, heath, mixed dipterocarp forest, moss forest, and montane ecosystems.[3] Lowland forests occupies 40% of the park area while montane forests occupies 20% of the park area.[7]