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 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 and Tobago. Thirty-nine of these species are endemic to Trinidad, 12 are Tobagonian endemics, and six are present on both islands. Island systems tend to be rich centres of endemism as a result of their isolation. The islands of the Greater Antilles have rates of endemism which range from 12-50% of their flora. Trinidad and Tobago has a far lower