How did Red Mangroves get to the Caribbean?

A new paper from the American Journal of Botany explores how Red Mangroves reestablished their populations in the Caribbean after the last glacial maximum (~19,000 years ago). The authors determined that there are actually 3 distinct genetic clusters of Red Mangrove:  Caribbean Mainland (Belize and Panama, Caribbean Islands (The Bahamas, St. Kitts, Puerto Rico) and Florida. […]