Class No. 1—100% Large Trees—Mostly 60 feet and above
Elm: American (Ulmus ameri-cana) Sarnia Smooth-leaf [Wheat-leyi] (Ulmus carpinifolia sarniensis) Locust, Moraine Thornless Honey (Gleditsia triacanthos moraine)
Maple: Norway (Acer platanoi-des) Sugar (Acer saccharum)
Oak: Eastern Red (Quercus bore-alis maxima) Scarlet (Quercus cocdnea) Schneck (Quercus shumar-dii schneckii) Shingle (Quercus imbrica-ria) White (Quercus alba) Sweetgum, American (Liquidam-bar styracifiua) Tupelo, Black [Sourgum] (Nyssa sylvatica) Medium Trees—Mostly 30 to 45 feet
Cork tree: Amur (Phellodendron amurense) Sakhalin (Phellodendron sachalinense) Ginkgo, Sentry (Ginkgo biloba fastigiata) Hophornbeam, American (Ostrya virginiana) Linden, Little-leaf (Tilia cordata) Maple, Erect Norway (Acer pla-tanoides erectum)
Oak: Saw-tooth (Quercus acutis-sima) Willow (Quercus phellos) Yellowwood, American (Chdras-tis lutea) Small Trees—Mostly 2,0 to 30 feet Crabapples, Flowering (Malus sp. and var.)
Dogwood: Flowering (Cornus florida) Japanese Cornel (Cornus officina-lis) Goldenrain tree, Panicled (Koel-reuteria paniculata) Hawthorn, Washington (Cratae-gus Phaenopyrum [cordata]) Hornbeam, Pyramid European (Carpinus betulus fastigiata) Magnolia, Saucer (Magnolia sou-langeana)
Maple: Mono (Acer mono) Tartarian (Acer tartari-cum)
Trident (Acer buergeri-anum)
Class No. 2—80% Large Trees—Mostly 60 feet and above
Beech: American (Fagus grandi-folia) Cut-leaf European (Fagus sylvatica heterophylla) European (Fagus sylvatica) Coffee tree, Kentucky (Gymnoc-ladus dioica) Elm, English (Ulmus procera [campestris]) Ginkgo (Ginkgo biloba) King, Crimson See maple
Linden: Crimean (Tilia euchlora) Silver (Tilia tomentosa) Silver-pendent (Tilia pe-tiolaris) Magnolia, Cucumber-tree (Magnolia acuminata)
Maple: Crimson King Norway (Acer platanoides) Red (Acer rubrum) Schlesinger Red (Acer rubrum schlesingerii)
Oak: Black (Quercus velutina) Chestnut (Quercus mon*-tana) Pin (Quercus palustris) Pagoda tree, Japanese (Sophora japonica) Plane, London (Platanus aceri-folia) Tulip tree (Liriodendron tulipi-fera) Medium Trees—Mostly 30 to 40 feet Birch, River (Betuh nigra) Elm, Chinese [Asiatic] (Ulmus parvifolia) Eucommia (Eucommia ulmoides) Goldenlarch, Lovely (Pseudolarix amabilis) Hornbeam, American (Carpinus caroliniana) Horsenut, Ruby Red (Aesculus carnea brtotii) Katsura tree (Cercidiphyllum ja-ponicum) Magnolia, Large Kobus (Magnolia kobus borealis)
Maple: Column Red (Acer rubrum columnare) Hedge (Acer campestre) Upright Sugar (Acer sac-charum columnare)
Oak: Chinkapin (Quercus muh-lenbergii) English (Quercus robur) Pyramidal English (Quercusrobur fastigiata) Sassafras, Silky (Sassafras albi-dum molle) Zelkova, Japanese (Zelkova ser-rata) Small Trees—Mostly 20 to 30 feet Cherries, Flowering (Prunus sp, and var.) Dogwood, Pagoda (Cornus al-ternifolia) Euonymus, Maack (Euonymus maackii) Hawthorn, Fleshy (Crataegus succulenta) Lilac, Japanese Tree (Syringa amurensis japonica)
Magnolia: Kobus (Magnolia kobus) Purple Lily (Magnolia liliflora nigra) Sweetbay (Magnolia virginiana)
Maple: Amur (Acer ginnala) Devil (Acer diabolicum) Paperbark (Acer gri- Medium Trees—30 to 45 feet Tschonoski (Acer tscho- Ash' European (Fraxinus excel,noskii) sio)' Vine (Acer circinatum) Birch, Paper (Betula papyrifera) Redbud: Eastern (Cercis cana-densis) White {Cercis cana-densis alba) Serviceberry, Alleghany (Ame-lanchier laevis)
Class No. 3—60% Cherry, Sargent (Frunus sargen-tii) Chestnut, Chinese (Castanea mollissima) Evodia, Hupeh (Evodia hupehen-sis) Hemiptelea, David (Hemiptelea davidii) Silverball, Mountain (Halesia Large Trees—Mostly 60 feet and above monticola) Small Trees—20 to 30 feet Euonymus, Yeddo yedoensis)
Ash: Blue (Fraxinus quadrangu-lata) Green (Fraxinus pennsylva-nica hnceohta) Lilac, Pekin (Syringa pekinensis) White (Fraxinus ameri)
Class No. 4—40% No Large Trees in this class. Medium Trees— Mostly 30 to 45 feet Birch, Cut-leaf European White (Betula pendula gracilis)
Class No. 5—20% Large Trees—Mostly 60 feet and above Elm, Siberian (Ulmus pumila) Maple, Silver (Acer saccharium) cana) Cypress, Common Bald (Taxo-dium distichum) Elm, Rock (Ulmus ihomasii)
Hackberry: Common (Celtis oc-cidentalis) Sugar (Celtis laevir-gata [mississippi' ensis]) Kalopanax (Kalopanax pictus) Larch, Japanese (Larix leptole-pis) Linden, Big-leaf (Tilia platyphyl-los) Maple, Sycamore (Acer pseudo-phtanus) Oak, Laurel (Quercus laurifolia) Willow, Thurlow Weeping (Salix elegantissima class. No Medium or Small Trees in this class.
