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sia triacanthos inermis) Pine, Scotch (Pinus sylvestris) Pear, Callery (Pyrus calleryana) Spruce, Blue Colorado (Picea pungens glauca) Class No. 3-60% Ash, Green (Fraxinus pennsylva- nica hnceolata) Crabapple, Siberian (Malus bac- cata) Dogwood, Giant (Cornus contro- versa) Maple, Silver (Acer sacchari- num) Walnut, Black (Juglans nigra) Yellowwood, American (Cladras- tis lutea) Class No. 4—40% Catalpa, Northern (Catalpa spe- ciosa) Coffee tree, Kentucky (Gymnoc- ladus dioica) Cork tree, Sakhalin (Fhettoden- dron sachalinense) Horsechestnut, Common (Aescu- lus hippocastanum) Willow: Laurel (Salix pentandra) Thurlow Weeping (Salix |
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