Endophytic and rhizospheric bacterial communities isolated from the medicinal plants Echinacea purpurea and Echinacea angustifolia - Chiellini, C; Maida, I; Emiliani, G; Mengoni, A; Mocali, S; Fabiani, A; Biffi, S; Maggini, V; Gori, L; Vannacci, A; Gallo, E; Firenzuoli, F; Fani, R (Int Microbiol, 2014)