Thanks to a recently published checklist, plant diversity in Trinidad and Tobago is well documented with about 3,300 species (59 endemic) recorded. Despite significant felling, forests still cover about 40% of the country, and there are about 350 different species of tree. A notable tree is the manchineel which is extremely poisonous to humans, and even just touching its sap can cause severe blistering of the skin; the tree is often covered with warning signs. The country had a 2019 Forest Landscape Integrity Index mean score of 6.62/10, ranking it 69th globally out of 172 countries.