South Louisiana's long growing season and abundant rain means it's a great place to be a plant. The Barataria Preserve contains three major plant systems: hardwood forest, swamp, and marsh, and is a good place to see over 400 species of plants.
If you want to get into keying out a species, or looking a little further afield than the Preserve, check out this resource from the USGS Northern Prairie Wildlife Research Center website and "Southern Wetland Flora" by Robert H. Mohlenbrock.
Did You Know?
Tourism has been big business in New Orleans for decades. Before the Civil War, the top must-see site on everyone's New Orleans list was its port, one of the world's busiest at the time. (Early 1800s guides for travelers actually used the term "must-see!")