Distribution details in United States of America
Current pest situation evaluated by EPPO on the basis of information dated
1992: Present, restricted distribution
Since 1968, unconfirmed, but a disease considered analogous to rose wilt is widespread in the state, although the incidence of infection is mostly less than 1%.
* Gumpf, D.J.; Weathers, L.G. (1974) Detection of a new infectious disease of roses in California. Acta Horticulturae 86, 53-55.