Symphyotrichum grandiflorum
It is endemic to the southeastern United States , where it is restricted to the Atlantic Coastal Plain of Virginia , North Carolina and South Carolina , and the Piedmont of North Carolina and South Carolina . 
<triplet> Virginia <subj> North Carolina <obj> shares border with <triplet> North Carolina <subj> Virginia <obj> shares border with <subj> South Carolina <obj> shares border with <triplet> South Carolina <subj> North Carolina <obj> shares border with <triplet> Piedmont <subj> North Carolina <obj> located in the administrative territorial entity