Included here is Borneo (Kalimantan) and its adjacent islands including the Bunguran (Natuna) Islands, Calamian Islands, Jolo Island, Laut Island, Palawan Island, Pangutaran Islands and the Tawitawi Islands.
Of the endemic and near endemic vascular plants so far recorded there are about 1001 species in 252 genera and 86 families. There are reported to be 69 endemic genera some of which are listed here and marked red. There does not appear to be any endemic families but further information is required.
Beaman, T. E., Wood, J. J., Repin, R. & Beaman, J. H. 1999. An enumeration of the orchid collections from the Kelabit Highlands. ASEAN Review of Biodiversity and Environmental Conservation (ARBEC).
Small, A., Martin, T. G., Kitching, R. L. & Wong, K. M. 2004. Contribution of tree species to the biodiversity of a 1 ha Old World rainforest in Brunei, Borneo. Biodiversity and Conservation, 13: 2067-2088.
Watanabe, N. M. & Suzuki, E. 2008. Species diversity, abundance, and vertical size structure of rattans in Borneo and Java. Biodiversity and Conservation, 17: 523-538.