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.
It is a widespread condition in Pacific Northwest of North America (especially west of the Cascades, especially in Oregon), as well as in other regions such as Canada, Denmark, Germany, Great Britain, Ireland, and Spain. This disease affects the commercial production of certain berries, including Oregon dewberries, boysenberries, and cascadeberries, in British Columbia.