Donald Danforth Plant Science Center
The Donald Danforth Plant Science Center is an independent , not-for-profit research institute dedicated to plant science located in the Creve Coeur community of Saint Louis County , Missouri , United States . 
<triplet> Donald Danforth Plant Science Center <subj> United States <obj> country <triplet> Creve Coeur <subj> Saint Louis County, Missouri <obj> located in the administrative territorial entity <subj> United States <obj> country <triplet> Saint Louis County, Missouri <subj> United States <obj> country