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babylonica) Black (Salix nigra) Brittle (Salix fragilis) Shining (Salix lucida) White (Salix alba) Class No. 4—40% Aspen, Big-tooth (Populus gran- didentata) Birch, Gray (Betula populifolia) Cherry, Wild Black (Prunus serotina) Elm: American (Ulmus americana) Rock (Ulmus thomasii) Fir, Balsam (Abies balsamea) Larch, Eastern [Tamarack] (Larix kiricina) Locust, Black (Robinia pseudo-acacia) Maple, Silver (Acer saccharinum) Mulberry: Red (Morus alba) White (Morus alba) Pine, Jack (Pinus banksiana) Poplar, White (Populus alba) Spruce, Red (Picea rubens) Tree-of-heaven [Ailanthus] (Ai-lanthus altissima) |
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