The Everglades Dirty Dozen

The Everglades Dirty Dozen are 12 invasive species that are important for the public to be aware of. These animals and plants are established and spreading in South Florida, are easy to identify, and are causing or likely to cause environmental harm. Some also threaten to harm the economy or public well-being. These species are in the eradication, containment, and long-term management stages of the invasion curve.

Burmese python Python molurus bivittatus
Tegu Lizards Salvator merianae, Tupinambis teguixin, and Salvator rufescens
chameleons Furcifer oustaleti and Chamaeleo calyptratus
Nile monitor Varanus niloticus
Cuban treefrog Osteopilus septentrionalis
giant African snail Lissachatina fulica
bullseye snakehead Channa marulius
lionfish Pterios volitans and P. miles
Australian pine Casuarina spp.
old world climbing fern Lygodium microphyllum
Brazilian pepper Schinus terebinthifolius
air potato Dioscorea bulbifera

The Dirty Dozen were identified by the Everglades CISMA Steering Committee. The list will be updated annually. More complete lists of nonnative and invasive species in Florida can be found at,, and

Everglades CISMA Signatories