Pfaffia mosaic virus: a new potyvirus found infecting Pfaffia glomerata in Brazil - Mota, L. D. C.; Della Vecchia, M. G. S.; Gioria, R.; Kitajima, Elliot Watanabe; Rezende, Jorge Alberto Marques; Camargo, Luís Eduardo Aranha; Amorim, Lílian (Plant Pathology, 2004)