Two distinct 16SrIII phytoplasma subgroups are associated with shoot proliferation in Vernonia brasiliana, a wild species inhabiting the Brazilian savanna - Fugita, Jaqueline Manzatti da Silva; Pereira, Thays B. C; Banzato, Ticyana C; Kitajima, Elliot Watanabe; Souto, Eliezer R; Bedendo, Ivan Paulo (Tropical Plant Pathology, 2017)