CARBONDALE, Illinois, June 10 (TNSacc) -- Southern Illinois University issued the following news release: Southern Illinois University Carbondale has earned a five-year renewal of its Level II Arboretum Accreditation from the ArbNet Arboretum Accreditation Program and the Morton Arboretum. The university is also featured in the Morton Register of Arboreta, the only global initiative that officially recognizes arboreta for development, capacity and professionalism. SIU was the first university  more