REGION VII-CANADA
For Ontario, South of Ottawa
Class No. 1—100% Beech, Purple European (Fagus sylvatica atropunicea) Linden, Little-leaf (Tilia cordata)
Maple: Norway (Acer platanoi-des) Schwedler Norway (Acer platanoides schwed-leri) Sugar (Acer saccharum) Oak, Eastern Red (Quercus bore-alis maxima)
Class No. 2—80% Ash: European Mountain (Sorbus aucuparia) White (Fraxinus americana) Beech, European (Fagus sylva-tica) Elm, American (Ulmus americana) Hickory, Bitternut (Carya cordi-formis) Hornbeam, American (Carpinus caroliniana) Locust, Thornless Honey (Gledit-sia triacanthos inermis) Oak, Pin (Quercus palustris) Plane, American [Sycamore] (Platanus occidentalis) Walnut, Black (]ughns nigra)
Class No. 3—60% Birch, European White (Betula pendula) Ginkgo (Ginkgo biloba) Horsechestnut, Common (Aescu-lus hippocastanum) Magnolia, Cucumber-tree (Magnolia acuminata) Maple, Silver (Acer saccharinum) Tulip tree (Liriodendron tulipi-fera) Yellowwood, American (Cladras-tis lutea)
Class No. 4—40% Catalpa, Northern (Catalpa spe-ciosa) Coffee tree, Kentucky (Gymnoc-ladus dioica) Elm, Siberian (Ulmus pumila)
Class No. 5—20% Boxelder (Acer negundo) Poplars (Populus sp.) Tree-of-heaven [Ailanthus] (Ai-lanthus altissima)