The Chattanooga Association of Landscape Professionals(C.A.L.P.) is an organization that offers educational courses, monthly meetings and public services for groups and organizations in the city. C.A.L.P. president, Laura Paschall says the organization is open to professionals working in the “green industry” and she defines this industry. She also explains the difference between native and exotic grasses and plants and identifies english ivy, kudzu and Japanese honey suckle as both invasive and exotic.