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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) For Vicinity of Montreal |
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