Reptiles & Amphibians Items marked with an asterisk (*) are introduced species we are cultivating in the forest garden which have not yet naturalized. The list is by no means complete and will be added to as more species are identified. American Toad (Anaxyrus americanus)Common Snapping Turtle (Chelydra serpentina)Gray Tree Frog (Hyla versicolor)Redback Salamander (Plethodon cinereus)Spring Peeper (Pseudacris crucifer) Common Garter Snake (Thamnophis sirtalis)