Genus Opheodrys is a group of nonvenomous snakes commonly referred to as green snakes. These snakes can be found across North America and are usually bright green in color, making them easy to spot. While the term Genus Opheodrys is often used to refer to these snakes, there are several synonyms for this term that are used by scientists and enthusiasts alike. Some of these synonyms include the common green snake, the grass snake, and the smooth green snake. Regardless of the name used, these snakes are known for their slender bodies and preference for vegetation-rich habitats.