* Parrella G, Gognalons P, Gebre-Selassie K, Vovlas C, Marchoux G (2003) An update of the host range of tomato spotted wilt virus. Journal of Plant Pathology 85(4), 227-264.
------- Artificial transmission.
* Diener TO (1979) Viroids and Viroid Diseases. Wiley-Interscience, New York, 252 pp.
-------as Chrysanthemum parthenium, Chrysanthemum parthenium f. flosculosum, Chrysanthemum praealtum.