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Class No. 3-60% Buckeye, Ohio (Aesculus glabra) Cherry, Black (Prunus serotina) Elm, Slippery (Ulmus fulva) Horsechestnut, Common (Aesculus Hippocastanum) Plane, American [Sycamore] (Phtanus occidentalis) Class No. 4—40% Cherry, Pin (Prunus pennsyl- vanica) Elm: American (Ulmus ameri- cana) Moline (Ulmus americana molinensis) Linden, American [Basswood] (Tilia americana) Poplar, Bolleana (Populus alba bolleana) Class No. 5—20% Ash, American Mountain (Sorbus americana) Boxelder (Acer negundo) Catalpa, Northern (Catalpa spe-ciosa) Elm, Siberian (Ulmus pumila) Locust, Black (Robinia pseudo-acacia) |
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