So here is another reason to wash your new plants that you plan to use in your enclosure. I'm not sure how these nematodes that use snails as temporary hosts would impact lizards that ingest snails, but it is concerning. Many of the plants that are available come from South Florida.
http://www.vetmed.ufl.edu/2015/02/25/rare-parasite-colonizing-snails-in-south-florida/
http://www.vetmed.ufl.edu/2015/02/25/rare-parasite-colonizing-snails-in-south-florida/