Class No. 1—100% Beech, Purple (Fagus sylvatica atropunicea) Cedar, California Incense (Libo-cedrus decurrens) Ginkgo (Ginkgo biloba) Hawthorn: English (Crataegtisoxyacantha) Lavalle (Crataegtislavallei) Washington (Cratae-gus phaenopyrum) Hornbeam, American (Carpinus caroliniana) Horsechestnut (Aesculus carnea) Linden, Little-leaf (Tilia cor-data) Lyon tree, Fern-leaf (Lyonotham-nus asplenifolius) Magnolia, Southern (Magnolia grandiftom)
Oak: Holly (Quercus ilex) Pin (Quercus palustris) Plum, Blireiana (Primus bliret-ana) Sweetgum, American (Liquidam-bar styradflua) Tulip tree (Liriodendron tulipi-jera) Yew, Irish English (Taxus bac-cata fastigiata)
Class No. 2—80% Ash, Velvet (Fraxinus velutina) Birch, European White (Betulapendula) Cajeput tree (Melaleuca leuca-dendron) Carob (Ceratonia siliqua) Cedar: Atlas (Cedrus atlantica) Deodar (Cedrus deodara) Date, Canary (Phoenix canari-ensis) Elm, Chinese (XJlmus parvifolia) Eucalyptus, Scarlet (Eucalyptus ficifolia) Goldenrain tree, Panicled (Koel-reuteria paniculata) Holly, English (Ilex aquifolium) Madrona, Strawberry (Arbutus unedo) Maple, Red (Acer rubrum) Pine: Canary (Pinus canariensis) Italian Stone (Pinus pined) Plane, London (Platanus aceri-folia) Plum, Purple-leaf Myrobalan (Prunus cerasifera pissardii) Privet, Glossy (Ligustrum luci-dum) Redwood (Sequoia semperoirens) Sequoia, Gaint (Sequoia gigan-tea) Tea tree, Victoria (Leitospermum laevigatum)
Class No. 3—60% Camphor-tree (Cinnamomum camphora) Cherry, Cataline (Prunus lyonii) Elm, American (Ulmus ameri-cana) Eucalyptus, Tasmanian Blue (Eucalyptus globulus) Grevillea, Silk-oak (Grevillea ro-busta) Hakea, Sea-urchin (Hakea lau-rina) Madrona, Pacific (Arbutus men-ziesii) Maple, Big-leaf (Acer macrophyl-lum)
Palm: California Washington (Washingtonia filifera) Washington (Washingtonia sp.) Pepper tree, California (Schinusmolle) Pine, Monterey (Pinus radiata) Pittosporum, Orangeberry (Pit-tosporum undulatum) Spruce, Blue Colorado (Piceapungens glauca) Willow, Babylon Weeping (Salix babulonica)
Class No. 4—40% Acacia, Bailey (Acacia baile-yana) Draecena, Giant (Cordyline aus-tralis) Locust, Black (Robinia pseudoa-cacia) Palm, Fortunes Windmill (Tra-chy carpus fortunei)
Class No. 5—20% Acacia, Blackwood (Acacia me-lanoxylon) Boxelder (Acer negundo) Poplar, Lombardy (Populus nigra italica)