Included here is the Philippine Achipelago (except Palawan Island) and the Calamian Islands, Basilan Island, the northernmost island in the Sulu Achipelago, the Babuyan Islands and the Batan Islands.
Of the endemic and near endemic vascular plants so far recorded there are about 641 species in 215 genera and 94 families. There are 10 endemic genera (marked red) but no endemic families. However, there are reported to be some 30 endemic genera so further information is required.
Campbell, D. G. & Hammond, H. D. 1989. Floristic Inventory of Tropical Countries. The New York Botanical Garden.
Hamann, A., Barbon, E. B., Curio, E. & Madulid, D. A. 1999. A botanical inventory of a submontane tropical rainforest on Negros Island, Philippines. Biodiversity and Conservation, 8: 1017-1031.
Langenberger, G., Martin, K. & Sauerborn, J. 2006. Vascular plant species inventory of a Philippine lowland rain forest and its conservation status. Biodiversity and Conservation, 15: 1271-1301.