Native to New Guinea and Australia, melaleuca trees were planted in Florida in the early 1900s to drain the Everglades and to transform swamps into harvestable forests. Melaleuca also was planted to aid in flood control by protecting levees.

Treating the invasive melaleuca
(Melaleuca quinquinerva)
tree with herbicide

Dense melaleuca forest
Photo credit: USFWS (left)
MB Rayamajhi/USDA ARS, www.forestryimages.org (right)
Reference
Florida State University. http://www.fsu.edu/~imsp/silent_invaders/new_weeds/guide/. Accessed 2006 Aug 29.