Castanea, Fagus, Hamamelis, Heteromeles, Kalmia, Leucothoe, Lithocarpus, Lonicera, Pieris, Pseudotsuga, Quercus, Rhamnus, Rhododendron, Sequoia, Syringa, Taxus, Trientalis, Umbellularia, Vaccinium en Viburnum
- Phytophthora ramorum sur Acer, Aesculus, Arbutus, Arctostaphylos, Camellia, Castanea, Fagus, Hamamelis, Heteromeles, Kalmia, Leucothoe, Lithocarpus, Lonicera, Pieris, Pseudotsuga, Quercus, Rhamnus, Rhododendron, Sequoia, Syringa, Taxus,, Trientalis, Umbellularia, Vaccinium en Viburnum