I did a little web search and came up with a great link for you kebsfroggy. By using this link to go to the websites you will discover many links to learn about native plants and also sources of them. So here goes: Go to Florida Native Plant Society at:
http://www.fnps.org Then once there go to left side of page and click Florida Native Plants, this gives you choices to pick from, so click on Enjoy and Learn. Once page opens scroll down to the link called; University of South Florida Altas of Florida Plants, and click on this. It takes you to a site called,
http://www.plantaltas.usf.edu/ this site has many choices in lists of native plants or native plants by the county in which you live. That way you get to see what ones grow best in your area. Hope this helps you in your gardening.