TREES FREE FROM INSECT PESTS AND DISEASES (Seldom attacked, and not seriously qffected) DECIDUOUS Ailanthus glandulosa Tree of Heaven Cercidiphyllum japonicurn Katsura-Tree Elaeagnus angustifolia Russian Olive Ginkgo biloba Ginkgo Gleditsia triacanthos Honey Locust Gymnocladus dioica Kentucky Coffeetree Halesia carolina Silverbell Tree Koelreuteria paniculata Goldenrain Tree Liquidambar styraciflua Sweetgurn Magnolia (all species) Magnolia Nyssa sylvatica Sourgurn Oxydendrum arboreurn Sourwood Phellodendron (all species) Cork Tree Sophora japonica Chinese Scholar-Tree EVERGREEN Pseudotsuga taxifolia Douglas Fir Sciadopitys verticillata Umbrella Pine Tsuga (all species) Hemlock
