'Candidatus Phytoplasma sudamericanum', a novel taxon, and strain PassWB-Br4, a new subgroup 16SrIII-V phytoplasma, from diseased passion fruit (Passiflora edulis f. flavicarpa Deg.) - Davis, R. E; Zhao, Y; Dally, E. L; Jomantiene, R; Lee, I. M; Wei, W; Kitajima, Elliot Watanabe (International Journal of Systematic and Evolutionary Microbiology, 2012)