Trinidad and Tobago–United States relations include Extradition and Mutual Legal Assistance treaties, which have been in force since 1999. An agreement on Maritime Cooperation was signed in 1996. There are large numbers of U.S. citizens and permanent residents of Trinidadian origin living in the United States (mostly in New York and Florida), which keeps cultural ties strong. About 20,000 U.S. citizens visit Trinidad and Tobago on vacation or for business every year, and more than 4,600 American citizens are residents. Principal U.S. Embassy Officials include: The U.S. Embassy for the Republic of Trinidad and Tobago is located in the Capital-city Port of Spain, on the
Endemic flora of Trinidad and Tobago have been classified as critically endangered, 16 as endangered, 15 as vulnerable, three as near threatened and three as data deficient. Only four endemic plant species were classified as being of least concern. Three areas in Trinidad and Tobago support relatively large numbers of endemic species—ridge-tops in the Northern Range, and savannas in Trinidad, and the Main Ridge in Tobago. Endemic flora of Trinidad and Tobago The endemic flora of Trinidad and Tobago includes a total of 59 species of vascular plants belonging to 34 plant families. This is less than 3% of the total vascular plant flora of Trinidad