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*alt Tolerance of Temperate Zone Plants Colorado State University Extension Tri River Area Mesa Delt... Page 3 of 7 <br />Populus tremuloides - Trembling (Quaking) Aspen <br />Prunus padus - European Bird Cherry <br />Prunus serotina - Black Cherry <br />Prunus virginiana - Choke Cherry <br />Salix a/ba 'Tristis' - Golden Weeping Willow <br />Salix a/ba 'Vitellina' - Golden Willow <br />Salix nigra - Black Willow <br />Sophora japonica - Japanese Pagoda Tree <br />Ulmus pumila - Siberian Elm <br />Moderate Tolerance - up to 4 mmhos <br />Catalpa speciosa - Northern Catalpa <br />Celtis occidentalis - Hackberry <br />Celtis reticulata - Netleaf hackberry <br />Cercis occidentalis - Western Redbud <br />Fraxinus anomala - Singleleaf Ash <br />Fraxinus excelsior- European Ash <br />Fraxinus pennsylvanica - Green Ash <br />Ginkgo biloba - Maindenhair Tree <br />Koelreuteria paniculata - Goldenrain Tree <br />Maclura pomifera - Osage-Orange <br />Pyrus species - Pear <br />Ulmus americana - American Elm <br />Slight Tolerance - up to 2 mmhos <br />Quercus palustris - Pin Oak <br />Malus species and cultivars - Apple and Crabapple <br />0ensitive or Intolerant <br />Acer rubrum - Red Maple <br />Acer saccharinum - Silver Maple <br />Acer saccharum - Sugar Maple <br />Cercis canadensis - Eastern Redbud <br />Juglans nigra - Black Walnut <br />Plantanus acerifolia - London Plane <br />Sorbus aucuparia - European Mountain-Ash <br />Tilia americana - American linden <br />Tilia cordata - Littleleaf Linden <br />;_...._ ... ......... .. ............ <br />Coniferous Trees <br />High_ Tolerance - up to 8 mmhos <br />Juniperus chinensis - Pfitzer juniper <br />Picea glauca ' densata' - Black Hills Spruce <br />Pinus mugo - Mugho Pine <br />Pinus nigra - Austrian Pine <br />Moderately High Tolerance -up to 6 mmhos <br />Pinus ponderosa - Ponderosa Pine <br />Pinus thunbergiana - Japanese Black Pine <br />Thuja occidentalis - American Arborvitae <br />http://www.coopext.colostate.edu/TRA/PLANTS/stable.htmi 10/23/2008 <br />0 (Revised Nov 2008) Attachment 2.05.4(2)(d)-2-10