- 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
Castanea, Fagus, Hamamelis, Heteromeles, Kalmia, Leucothoe, Lithocarpus, Lonicera, Pieris, Pseudotsuga, Quercus, Rhamnus, Rhododendron, Sequoia, Syringa, Taxus, Trientalis, Umbellularia, Vaccinium en Viburnum