We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHost Plant Specialization Governed by Facultative Symbiont.AuthorsTsuchida, Tsutomu; Koga, Ryuichi; Fukatsu, TakemaPublicationScience, 2004, Vol 303, Issue 5666, p1989ISSN0036-8075Publication typearticleDOI10.1126/science.1094611