common greenbrier (Smilax rotundifolia)

Smilax rotundifolia is a species in the Smilax genus. It is commonly known as common greenbrier This name is accepted name for the species in the family Smilacaceae . . This species is found in Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, New Hampshire, New Jersey, New York, North Carolina, Nova Scotia, Ohio, Oklahoma, Ontario, Pennsylvania, Rhode I., South Carolina, Tennessee, Texas, Virginia, West Virginia.