It is a common disease in Pacific Northwest of North America (especially west of the Cascades, especially in Oregon), elsewhere in Canada, Denmark, Germany, Great Britain, Ireland, and Spain. It affects the commercial harvest of Oregon dewberries, and boysenberries and cascadeberries in British Columbia.
This widespread condition is commonly found in Pacific Northwest of North America (particularly west of the Cascades, particularly in Oregon), as well as in other countries such as Canada, Denmark, Germany, Great Britain, Ireland, and Spain. The disease has a significant impact on the commercial harvesting of specific berries, including Oregon dewberries, boysenberries, and cascadeberries, in British Columbia.