Serpentes Opheodrys vernalis Smooth Green Snake Search for another Amphibian or Reptile. Search for amphibians and reptiles by Illinois county. Go to the INHS Amphibian and Reptile Collection page. Search the INHS collections data for this species by clicking on the button below. Search the Type Specimen Data for this species by clicking on the button below.
Yellow shade indicates verified sighting.
Slanted hatch indicates pre-1980 records only. Not all specimens upon which these maps are based have been verified. Rough green snake. Less arboreal than rough green snake, only occasionally climbing onto low bush branches. Active during the day April to October when it can be found in grass, in low bushes, and under rocks, boards, and other debris.