Acer buergeranum | Trident maple | 260 | 194 |
Acer campestre | Hedge maple | 603 | 201 |
Acer × freemanii (seedlings) | Freeman maple | 0 | 222 |
Acer × freemanii cultivars | Freeman maple selections | 229 | N/A |
Acer ginnala | Amur maple | 268 | N/A |
Acer griseum | Paperbark maple | 218 | 97 |
Acer negundo | Boxelder | 0 | N/A |
Acer palmatum | Japanese maple | 72 | 6 |
Acer platanoides | Norway maple (seedling) | 10 | 584 |
Acer platanoides cultivars | Norway maple selections | 456 | N/A |
Acer rubrum | Red maple | 75 | 344 |
Acer rubrum cultivars | Red maple selections | 348 | N/A |
Acer saccharinum | Silver maple | 0 | 0 |
Acer saccharinum cultivars | Silver maple selections | 59 | N/A |
Acer saccharum | Sugar maple | 0 | 310 |
Acer saccharum cultivars | Sugar maple selections | 262 | N/A |
Acer saccharum nigrum | Black maple | 125 | 119 |
Acer tataricum | Tatarian maple | N/A | 366 |
Acer truncatum | Purpleblow maple | N/A | 276 |
Aesculus × carnea | Ruby red horsechestnut | N/A | 118 |
Aesculus glabra | Ohio buckeye | 38 | 36 |
Aesculus hippocastanum | Common horsechestnut | N/A | 111 |
Aesculus octandra | Yellow buckeye | 25 | 31 |
Alnus glutinosa | European alder | 120 | 101 |
Amelanchier laevis | Allegheny serviceberry | 1039 | 307 |
Amelanchier grandiflora | Bigleaf serviceberry | N/A | 235 |
Asimina triloba | Pawpaw | 41 | 119 |
Betula alleghaniensis | Yellow birch | N/A | 26 |
Betula nigra | River birch | 70 | 108 |
Betula nigra cultivars | River birch selections | 94 | N/A |
Betula papyrifera | Paper birch | N/A | 1 |
Betula populifolia | Grey birch | N/A | 1 |
Carpinus betulus | European hornbeam | 210 | 429 |
Carpinus betulus cultivars | European hornbeam selections | 276 | N/A |
Carya cordiformis | Bitternut hickory | 62 | 28 |
Castanea mollissima | Chinese chestnut | 0 | 4 |
Celtis laevigata | Sugar hackberry | 30 | 139 |
Celtis occidentalis | American hackberry | 57 | 12 |
Celtis reticulata | Netted hackberry | 238 | 143 |
Cercidiphyllum japonicum | Japanese katsura | 180 | 142 |
Cercis canadensis | Eastern redbud | 27 | 158 |
Chionanthus retusus | Oriental fringetree | 72 | 69 |
Cladrastis kentukea | American yellowwood | N/A | 136 |
Cornus controversa | Pagoda dogwood | 25 | N/A |
Cornus drummondi | Drummond grey dogwood | 60 | 29 |
Cornus florida | Flowering dogwood | 9 | 28 |
Cornus kousa | Kousa dogwood (northern seed source) | 105 | 66 |
Cornus mas | Corneliancherry dogwood | 132 | 82 |
Corylus colurna | Turkish filbert | 318 | 296 |
Cotinus obovatus | American smoketree | N/A | 22 |
Crataegus crus-galli var.inermis | Thornless cockspur hawthorn | 205 | 265 |
Crataegus phaenopyrum | Washington hawthorn | 10 | 45 |
Crataegus punctata ‘Ohio Pioneer’ | Ohio pioneer dotted hawthorn | 90 | 90 |
Crataegus viridis ‘Winter King’ | Winter King green hawthorn | 112 | 25 |
Diospyros virginiana | Common persimmon | 30 | 96 |
Elaeagnus angustifolia | Russian-olive | 0 | 70 |
Eucommia ulmoides | Hardy rubbertree | 194 | 149 |
Evodia daniellii | Korean evodia | 80 | 217 |
Fagus grandifolia | American beech | N/A | 22 |
Fagus sylvatica | European beech | 80 | 83 |
Fraxinus americana | White ash | 30 | 547 |
Fraxinus americana cultivars | White ash selections | 442 | N/A |
Fraxinus excelsior | European ash | 80 | 70 |
Fraxinus pennsylvanica | Green ash | 25 | 577 |
F. pennsylvanica cultivars | Green ash selections | 529 | N/A |
Fraxinus quadrangulata | Blue ash | 167 | 131 |
Ginkgo biloba | Ginkgo | 344 | 220 |
Gleditsia triacanthos | Honeylocust | 145 | 474 |
Gleditsia triacanthos cultivars | Thornless honeylocust selections | 623 | N/A |
Gymnocladus dioicus | Kentucky coffeetree | 140 | 102 |
Halesia carolina | Carolina silverbell | 145 | 51 |
Halesia monticola | Mountain silverbell | N/A | 25 |
Koelreuteria paniculata | Goldenraintree (cold-hardy source) | 263 | 185 |
Liquidambar styraciflua | Sweetgum (cold-hardy source) | 156 | 135 |
Liquidambar styraciflua cultivars | Sweetgum (hardy selections) | 26 | N/A |
Liriodendron tulipifera | Tulip poplar | 40 | 44 |
Maclura pomifera | Osage-orange (thornless males) | 30 | 154 |
Magnolia grandiflora | Southern magnolia | N/A | 2 |
Magnolia acuminata | Cucumbertree magnolia | 92 | 137 |
Magnolia × loebneri | Loebner magnolia | 47 | 0 |
Magnolia × soulangiana | Saucer magnolia | 40 | 25 |
Magnolia stellata | Star magnolia | 5 | N/A |
Malus species | Crabapples | 70 | 792 |
Malus × cultivars | Disease-resistant crabapples | 594 | N/A |
Metasequoia glyptostroboides | Dawn redwood | 88 | 55 |
Morus alba | White mulberry | 5 | 21 |
Nyssa sylvatica | Blackgum | 199 | 302 |
Ostrya virginiana | American hophornbeam | 278 | 149 |
Parrotia persica | Persian parrotia | N/A | 40 |
Phellodendron amurense | Amur corktree | 120 | 242 |
Platanus × acerifolia | London planetree | 241 | 268 |
Platanus occidentalis | Sycamore | 50 | 42 |
Populus × cultivars | Poplar selections and cultivars | N/A | 0 |
Prunus padus | European bird cherry | 0 | N/A |
Prunus sargentii | Sargent cherry | 210 | 64 |
Prunus serotina | Wild black cherry | 15 | 62 |
Prunus serrulata | Oriental cherry | 150 | 31 |
Ptelea trifoliata | Waferash | 59 | 20 |
Pterocarya fraxinifolia | Caucasian wingnut | 35 | 5 |
Pteroceltis tartarinowii | Tartar wingceltis | 30 | 0 |
Pterostyrax hispida | Fragrant epaulette tree | N/A | 20 |
Pyrus calleryana | Callery pear | 80 | 464 |
Pyrus calleryana cultivars | Callery pear selections | 620 | N/A |
Quercus acutissima | Sawtooth oak (cold-hardy seed source) | 155 | 189 |
Quercus alba | White oak | 151 | 36 |
Quercus bicolor | Swamp white oak | 163 | 59 |
Quercus coccinea | Scarlet oak | 108 | 20 |
Quercus imbricaria | Shingle oak | 156 | 169 |
Quercus lyrata | Overcup oak | N/A | 20 |
Quercus macrocarpa | Bur oak | 86 | 67 |
Quercus marilandica | Blackjack oak | N/A | 20 |
Quercus muehlenbergii | Chinquapin oak | 150 | 132 |
Quercus palustris | Pin oak (local seed source) | 64 | 78 |
Quercus prinus | Chestnut oak | N/A | 25 |
Quercus robur | English oak | 160 | 92 |
Quercus robur ‘Fastigiata’ | Upright English oak | 55 | N/A |
Quercus rubra | Red oak (cold-hardy seed source) | 96 | 130 |
Quercus shumardii | Shumard oak (cold-hardy seed source) | 150 | 75 |
Quercus stellata | Post oak | N/A | 90 |
Robinia pseudoacacia | Black locust | 10 | 80 |
Salix babylonica | Weeping willow | N/A | 20 |
Sassafrass albidum | Sassafrass | 115 | 129 |
Sophora japonica | Japanese pagodatree (cold-hardy source) | 98 | 51 |
Sorbus aucuparia | European mountainash | 5 | 20 |
Stewartia pseudocamellia | Japanese stewartia | N/A | 25 |
Syringa pekinensis | Pekin lilac | N/A | 75 |
Syringa reticulata | Japanese tree lilac | 587 | 377 |
Taxodium distichum | Baldcypress | 143 | 169 |
Tilia americana | Basswood | 80 | 145 |
Tilia americana cultivars | American linden selections | 115 | N/A |
Tilia cordata | Littleleaf linden | 378 | 310 |
Tilia cordata cultivars | Littleleaf linden selections | 140 | N/A |
Tilia mongolica | Mongolian linden | 30 | 30 |
Tilia tomentosa | Silver linden | 75 | 292 |
Tilia tomentosa cultivars | Silver linden selections | 161 | N/A |
Ulmus americana cultivars | DED-tolerant American elm | 159 | 150 |
Ulmus davidiana | David elm | 15 | 5 |
Ulmus parvifolia | Lacebark elm | 443 | 253 |
Ulmus wilsoniana | Wilson elm | 20 | 50 |
Ulmus × cultivars | Hybrid elm selections | 120 | 115 |
Viburnum lentago | Nannyberry | 142 | 5 |
Zelkova serrata | Japanese zelkova | 65 | 125 |
Zelkova serrata cultivars | Japanese zelkova selections | 220 | N/A |
Total requests from surveys | | 17,842 | 15,842 |