| Accolade Elm - Ulmus x 'Accolade' | 05/19/2009 |
| Aesculus glabra - Ohio Buckeye | 03/13/2009 |
| Alaska-Cedar - Chamaecyparis Nootkatensis | 05/19/2009 |
| American Basswood or Linden - Tilia americana L. | 05/19/2009 |
| American Beech Tree - Fagus grandifolia | 05/19/2009 |
| American Elm - Ulmus americanus | 01/12/2009 |
| American Mountain-ash - Sorbus americana | 09/27/2009 |
| American Sycamore Tree - Platanus occidentalis | 09/29/2009 |
| Ames Juniper - Juniperus chinensis 'Ames' | 03/09/2009 |
| Amur Cherry - Prunus maackii | 09/27/2009 |
| Amur Cork Tree - Phellodendron amurense | 09/27/2009 |
| Amur Honeysuckle - Lonicera maackii | 09/19/2009 |
| Amur Maackia - Maackia amurensis | 03/13/2009 |
| Amur Maple - Acer ginnala | 09/19/2009 |
| Amur Mountain-ash - Sorbus amurensis | 09/27/2009 |
| Arborvitae: Genus Thuja | 02/14/2009 |
| Arctic Moor Birch - Betula pubescens subspecies tortuosa | 03/13/2009 |
| Arizona Walnut - Juglans major | 01/16/2009 |
| Atlantic White-Cedar - Chamaecyparis thyoides | 03/18/2009 |
| Balkan Pine - Pinus peuce | 12/01/2008 |
| Balsam Fir - Abies balsamea | 03/02/2009 |
| Bergmann's Elm - Ulmus bergmanniana | 01/11/2009 |
| Big-leaved Linden - Tilia platyphyllos | 11/30/2008 |
| Birch-leaved Pear Tree - Pyrus betulaefolia | 09/27/2009 |
| Bitternut Hickory - Carya cordiformis | 03/13/2009 |
| Black Cherry - Prunus serotina | 09/27/2009 |
| Black Walnut Tree - Juglans nigra | 03/13/2009 |
| Black Willow - Salix nigra | 03/13/2009 |
| Blue Rug Juniper - Juniperus horizontalis | 02/21/2009 |
| Bur Oak - Quercus macrocarpa | 03/13/2009 |
| Butternut Tree - Juglans cinerea | 03/13/2009 |
| Callery Pear - Pyrus calleryana var. dimorphophylla | 10/10/2009 |
| Carya sp. - Hickory | 09/20/2009 |
| Caspian Locust Tree - Gleditsia caspica | 09/20/2009 |
| Cedar Elm - Ulmus crassifolia | 01/19/2009 |
| Chenmou Elm - Ulmus chenmoui | 03/14/2009 |
| Cherry Trees | 09/27/2009 |
| Chestnut Tree - Castanea sp. | 03/13/2009 |
| Chinese Cork Tree - Phellodendron chinense | 12/25/2008 |
| Chinese Elm - Ulmus parvifolia | 02/09/2009 |
| Chinese Hard Pine - Pinus tabulaeformis | 04/25/2009 |
| Chinese Linden - Tilia chinensis | 03/13/2009 |
| Chinese Mountain-ash - Sorbus pohaushanensis | 09/27/2009 |
| Chinese Wingnut Tree - Pterocarya stenoptera | 03/13/2009 |
| Chinese Yew - Taxus chinensis | 03/13/2009 |
| Chinquapin Oak / Chinkapin Oak - Quercus muhlenbergii | 11/30/2008 |
| Cockspur Hawthorn - Crataegus crus-galli | 09/27/2009 |
| Copper Beech - Fagus sylvatica 'Atropunicea' | 03/13/2009 |
| Cork Bark Elm - Ulmus propinqua var. suberosa | 11/30/2008 |
| Crabapple - Malus flexilus | 09/27/2009 |
| Crabapple, Adirondack - Malus 'Adirondack' | 09/27/2009 |
| Crabapple, American Masterpiece™ - Malus 'Amaszam' | 09/27/2009 |
| Crabapple, Bob White - Malus 'Bob White' | 10/10/2009 |
| Crabapple, Christmas Holly - Malus 'Chrishozam' | 09/27/2009 |
| Crabapple, Dolgo - Malus 'Dolgo' | 09/27/2009 |
| Crabapple, Henning - Malus 'Henningi' | 10/25/2009 |
| Crabapple, Japanese Flowering - Malus floribunda | 09/27/2009 |
| Crabapple, Jewelberry - Malus 'Jewelberry' | 09/27/2009 |
| Crabapple, Klehm Prairie - Malus ioensis 'Klehmii' | 09/27/2009 |
| Crabapple, Liset - Malus 'Liset' | 10/11/2009 |
| Crabapple, Mary Potter - Malus 'Mary Potter' | 10/12/2009 |
| Crabapple, Ormiston Roy - Malus 'Ormiston Roy' | 10/10/2009 |
| Crabapple, Perfect Purple™ - Malus 'Coppurple' | 09/27/2009 |
| Crabapple, Pink Spires - Malus 'Pink Spires' | 09/27/2009 |
| Crabapple, Prairie Maid - Malus 'Prairie Maid' | 10/11/2009 |
| Crabapple, Professor Sprenger - Malus 'Professor Sprenger' | 10/10/2009 |
| Crabapple, Purple Prince - Malus 'Purple Prince' | 09/27/2009 |
| Crabapple, Red Jewel - Malus 'Red Jewel' | 10/25/2009 |
| Crabapple, Red Peacock - Malus 'Red Peacock' | 09/27/2009 |
| Crabapple, Rejoice - Malus 'Rejzam' | 10/10/2009 |
| Crabapple, Ruby Luster - Malus 'Ruby Luster' | 10/10/2009 |
| Crabapple, Selkirk - Malus 'Sekirk' | 09/27/2009 |
| Crabapple, Sparkler - Malus 'Sparkler' | 09/27/2009 |
| Crabapple, Strawberry Parfait - Malus 'Strawberry Parfait' | 10/10/2009 |
| Crimean Linden - Tilia x euchlora | 02/14/2009 |
| Cucumbertree - Magnolia acumenata | 03/02/2009 |
| Cut-leaved European Beech - Fagus sylvatica var. 'Laciniata' | 03/13/2009 |
| Cutleaf Black Walnut - Juglans nigra "laciniata" | 02/08/2009 |
| Dahurian Birch - Betula davurica | 03/13/2009 |
| David Elm - Ulmus davidiana v. mandshurica | 01/19/2009 |
| Dawn-Redwood - Metasequoia glyptostroboides | 04/09/2009 |
| Doubleflower Chinese Crabapple - Malus spectabilis 'Plena' | 10/12/2009 |
| Douglas Fir - Pseudotsuga menziesii | 02/21/2009 |
| Downy Birch - Betula pubescens | 02/21/2009 |
| Downy Hawthorn - Crataegus mollis | 12/26/2008 |
| Dragon Spruce - Picea asperata | 03/13/2009 |
| Dusky Pear - Pyrus phaeocarpa | 09/27/2009 |
| Dwarf Dogwood - Cornus pumila | 11/30/2008 |
| Dwarf Japanese Garden Juniper - Juniperus procumbens 'Nana' | 03/13/2009 |
| Eastern Cottonwood Tree - Populus deltoides | 03/13/2009 |
| Eastern Cottonwood Tree - Populus deltoides | 03/13/2009 |
| Eastern Hemlock - Tsuga canadensis | 03/02/2009 |
| Eastern Prickly Pear Cactus - Opuntia humifusa | 03/13/2009 |
| Eastern Red Cedar - Juniperus virginiana 'Cupressifolia' | 03/13/2009 |
| Eastern Redbud - Cercis canadensis | 04/26/2009 |
| Eastern Redbud - Cercis canadensis 'Pinkbud' | 04/26/2009 |
| Eastern White Pine Tree- Pinus strobus | 11/30/2008 |
| Elegant Giant Arborvitae - Thuja plicata 'Elegantissima' | 03/13/2009 |
| English Elm - Ulmus procera | 03/13/2009 |
| English Oak - Quercus robur | 03/13/2009 |
| Eucalyptus Tree - Eucalyptus globulus | 03/13/2009 |
| European Beech - Fagus sylvatica | 12/26/2008 |
| European Beech - Fagus sylvatica var. 'Zlatia' | 03/13/2009 |
| European Black Alder - Alnus glutinosa | 06/03/2009 |
| European Hornbeam - Carpinus betulus | 01/03/2009 |
| European Larch - Larix decidua | 03/02/2009 |
| European Mountain-ash - Sorbus latifolia | 09/27/2009 |
| European Mountain-ash - Sorbus latifolia | 09/27/2009 |
| European Silver Fir - Abies alba | 03/13/2009 |
| European White Birch - Betula pendula - syn. Betula verrucosa | 03/13/2009 |
| Family Aceraceae - Maples | 09/29/2009 |
| Family Fagaceae - Beeches, Chinkapins and Oaks | 11/06/2009 |
| Family Hamamelidaceae: Witch Hazel, Sweet gums | 09/29/2009 |
| Family Hippocastanaceae - Horse-chestnuts, Buckeyes | 09/29/2009 |
| Family Rosaceae | 10/26/2009 |
| Flowering Dogwood - Cornus florida | 09/20/2009 |
| Fremd Eastern Hemlock - Tsuga canadensis 'Fremdii' | 03/02/2009 |
| Fringe Tree - Chionanthus virginicus | 03/13/2009 |
| Funeral Cypress - Cupressus funebris | 03/13/2009 |
| Giant Arborvitae - Thuja plicata 'Stoneham Gold' | 03/13/2009 |
| Ginkgo biloba | 03/02/2009 |
| Ginkgo in different languages | 03/07/2009 |
| Globe Blue Spruce - Picea pungens 'Globosa' | 12/26/2008 |
| Globe Blue Spruce - Picea pungens 'Globosa' | 10/22/2008 |
| Golden Pfitzer Juniper - Juniperus chinensis 'Pfitzeriana aurea' | 03/13/2009 |
| Golden Weeping Willow - Salix alba 'Tristis' | 10/28/2008 |
| Graveyard Cypress - Cupressus funebris | 03/13/2009 |
| Green Hawthorn - Crataegus viridis 'Winter King' | 09/27/2009 |
| Hackberry - Celtis occidentalis | 12/15/2008 |
| Hartwig Locust Tree - Robinia hartwigii | 03/13/2009 |
| Hedge Maple - Acer campestre | 09/20/2009 |
| Hillspire Juniper - Juniperus virginiana 'Cupressifolia' | 03/13/2009 |
| Himalayan White Pine Tree- Pinus wallichiana | 11/30/2008 |
| Holiday Gold™ Crabapple - Malus 'Hozam' | 10/26/2009 |
| Hooks Hawthorn - Crataegus 'Hooks' | 09/27/2009 |
| Hornbeam Maple - Acer carpinifolium | 09/10/2009 |
| Hornibrook Dwarf Austrian Pine - Pinus nigra 'hornibrookiana' | 03/13/2009 |
| Horse Chestnut - Aesculus hippocastanum | 02/02/2009 |
| Houpu Magnolia - Magnolia officinalis var. biloba | 09/20/2009 |
| Hupeh Mountain-ash - Sorbus hupehensis | 10/26/2009 |
| India Quassia - Picrasma quassioides | 02/21/2009 |
| Invasive Species of North America | 09/19/2009 |
| Invasive Species: European White Birch | 02/21/2009 |
| Ivy-leaved Maple - Acer cissifolium | 09/10/2009 |
| Jack Pine - Pinus banksiana | 03/13/2009 |
| Jack Viburnum - Viburnum X jackii | 09/30/2009 |
| Japanese Cedar - Cryptomeria japonica | 03/02/2009 |
| Japanese Elm - Ulmus japonica | 03/13/2009 |
| Japanese Horse Chestnut - Aesculus turbinata | 02/04/2009 |
| Japanese Mountain-ash - Sorbus commixta | 09/27/2009 |
| Japanese Mulberry - Morus australis | 12/25/2008 |
| Japanese Red Pine (Tanyosho Pine) - Pinus densiflora 'Umbraculifera' | 02/05/2009 |
| Japanese Tree Lilac - Syringa reticulata | 02/06/2009 |
| Japanese Walnut - Juglans ailantifolia | 03/13/2009 |
| Japanese White Birch - Betula platyphylla var. japonica | 03/09/2009 |
| Japanese White Pine - Pinus parviflora | 02/05/2009 |
| Japanese Yew - Taxus cuspidata var. Pendula | 09/29/2009 |
| Japanese Zelkova - Zelkova serrata | 02/21/2009 |
| Japanese Zelkova - Zelkova serrata var. "Green Vase" | 11/30/2008 |
| Japanese Zelkova - Zelkova serrata var. "Village Green" | 09/30/2009 |
| Jersey Elm - Ulmus carpinifolia 'Sarniensis' | 02/21/2009 |
| Katsura tree - Cercidiphyllum japonicum | 03/02/2009 |
| Kentucky Coffee Tree - Gymnocladus dioicus | 08/03/2009 |
| Kentucky Wisteria - Wisteria macrostachya | 09/29/2009 |
| Kingdom Fungi: - Table of Contents | 08/07/2009 |
| Klemmer Holland Elm - Ulmus x hollandica 'Klemmer' | 01/12/2009 |
| Kobus Magnolia - Magnolia kobus | 09/20/2009 |
| Korean Mountain-ash - Sorbus alnifolia | 10/26/2009 |
| Korean Pine - Pinus koraiensis | 02/21/2009 |
| Koyama Spruce - Picea koyamae | 03/13/2009 |
| Lacebark Pine - Pinus bungeana | 02/05/2009 |
| Large-fruited Elm - Ulmus macrocarpa | 10/01/2009 |
| Liaotung Oak - Quercus liaotungensis | 03/13/2009 |
| Limber Pine - Pinus flexilis | 03/13/2009 |
| Little Walnut - Juglans microcarpa | 11/30/2008 |
| Little-Leaved Linden - Tilia cordata | 11/25/2008 |
| Loose-Flowered Hornbeam - Carpinus laxiflora var. macrostachya | 09/20/2009 |
| Louisa Crabapple - Malus 'Louisa' | 10/10/2009 |
| Magnoliaceae - Magnolia family | 09/29/2009 |
| Manchurian Alder - Alnus hirsuta | 09/20/2009 |
| Manchurian Fir - Abies nephrolepis | 09/20/2009 |
| Manchurian Hazelnut - Corylus sieboldiana var. mandshurica | 03/13/2009 |
| Maria Crabapple - Malus 'Maria' | 10/15/2009 |
| Marmo Freeman's Maple - Acer x freemanii | 03/13/2009 |
| Miyabe Maple - Acer miyabei | 09/10/2009 |
| Mock Orange - Philadelphus x virginalis | 03/13/2009 |
| Mongolian Linden - Tilia mongolica | 04/06/2009 |
| Moor Birch - Betula pubescens | 03/13/2009 |
| Mougeot Whitebeam - Sorbus mougeotii | 03/13/2009 |
| Mugo Pine - Pinus mugo | 03/13/2009 |
| Needle Fir - Abies holophylla | 03/13/2009 |
| Needle Juniper - Juniperus rigida | 03/13/2009 |
| Nikko Elm - Ulmus laciniata var. 'nikkoensis' | 01/11/2009 |
| Nordic Spire™ Arborvitae | 03/13/2009 |
| Nordmann Fir - Abies nordmanniana | 03/13/2009 |
| Norway Maple Tree - Acer platenoides "Crimson King" | 05/01/2009 |
| Norway Spruce - Picea abies | 03/13/2009 |
| O'Connor Juniper - Juniperus virginiana 'Glauca O'Conneri' | 03/13/2009 |
| Oakleaf Mountain-ash - Sorbus x thuringiaca | 09/27/2009 |
| Obelisk Juniper - Juniperus chinensis 'Obelisk' | 03/13/2009 |
| Olga Bay Larch - Larix gmelinii | 04/09/2009 |
| Olive Family: Oleaceae | 09/29/2009 |
| Oriental Arborvitae - Platycladus orientalis | 03/20/2009 |
| Oriental Beech - Fagus orientalis | 03/13/2009 |
| Osage Orange Tree - Maclura pomifera | 01/11/2009 |
| Osage Silk Thorn - x Macludrania hybrida | 01/11/2009 |
| Pagoda Dogwood - Cornus alternifolia | 09/20/2009 |
| Painted Maple - Acer mono | 01/27/2009 |
| Paper Birch - Betula papyrifera | 02/04/2009 |
| Paperbark Maple - Acer griseum | 12/25/2008 |
| Pecan Tree - Carya illinoinensis | 01/18/2009 |
| Peking Lilac Tree - Syringa pekinensis | 03/13/2009 |
| Pennsylvania Hawthorn - Crataegus pennsylvanica | 09/27/2009 |
| Persian Ironwood - Parrotia persica | 03/13/2009 |
| Pillar Apple - Malus tschonoskii | 10/04/2009 |
| Pin Oak - Quercus palustris | 03/22/2009 |
| Pink Satin Crabapple - Malus 'Pink Satin' | 10/25/2009 |
| Pinus resinosa - Red Pine | 03/13/2009 |
| Pinyon Pine - Pinus edulis | 03/13/2009 |
| Plum-leaved Crabapple - Malus prunifolia | 10/12/2009 |
| Poison Ivy - Toxicodendron radicans | 01/25/2009 |
| Polish Common Juniper - Juniperus communis 'Cracovia' | 03/13/2009 |
| Ponderosa Pine - Pinus ponderosa | 03/02/2009 |
| Populus balsamifera - Balsam Poplar | 03/02/2009 |
| Populus heterophylla - Swamp Cottonwood | 03/13/2009 |
| Port Orford Cedar - Chamaecyparis lawsoniana | 03/02/2009 |
| Prairie Crabapple - Malus ioensis | 10/25/2009 |
| Prince Rupprecht Larch - Larix gmelinii var. principis-rupprechtii | 04/25/2009 |
| Proctor's Magnolia - Magnolia x proctoriana | 09/20/2009 |
| Profusion Crabapple - Malus 'Profusion' | 10/10/2009 |
| Prunus spinosa - Commonly called Blackthorn or Sloe | 05/18/2009 |
| Purple Apricot - Prunus dasycarpa | 10/12/2009 |
| Pyramidal Black Alder - Alnus glutinosa 'Pyramidalis' | 03/13/2009 |
| Red Baron Crabapple - Malus 'Red Barron' | 10/17/2009 |
| Red Maple Tree, Acer rubrum "Red Sunset" | 03/13/2009 |
| Red Oak - Quercus rubra | 11/05/2009 |
| Red Swan Crabapple - Malus 'Red Swan' | 10/17/2009 |
| Redmond Linden - Tilia x euchlora | 09/29/2009 |
| River Birch - Betula nigra | 09/29/2009 |
| Robinia pseudoacacia 'Tortuosa' - Corkscrew Black Locust | 03/13/2009 |
| Rocky Mountain Juniper - Juniperus scopulorum | 09/29/2009 |
| Royal Raindrops™ Crabapple - Malus 'JFS-KW5' | 10/25/2009 |
| Russian Elm - Ulmus laevis | 09/29/2009 |
| Sand Pear - Pyrus pyrifolia | 09/27/2009 |
| Sargent Cherry - Prunus sargentii | 09/27/2009 |
| Sargent's Cranberry Bush - Viburnum sargentii | 10/01/2009 |
| Sawara Cypress - Chamaecyparis pisifera | 01/27/2009 |
| Schoch Oak - Quercus X schochiana | 03/13/2009 |
| Scholar Tree - Sophora japonica | 04/06/2009 |
| Scots Pine or Scotch Pine - Pinus sylvestris | 03/13/2009 |
| Sentinel™ Crabapple - Malus 'Sentinel' | 10/10/2009 |
| Serbian Spruce - Picea omorika | 03/13/2009 |
| Shagbark Hickory Tree - Carya ovata | 12/05/2008 |
| Shellbark Hickory - Carya laciniosa | 03/13/2009 |
| Shensi Fir - Abies chensiensis | 04/25/2009 |
| Showy Cockspur Hawthorn - Crataegus crus-galli var. splendens | 09/27/2009 |
| Siberian Alder - Alnus hirsuta var. sibirica | 03/22/2009 |
| Siberian Elm - Ulmus pumila | 03/13/2009 |
| Siberian Larch - Larix sibirica | 04/06/2009 |
| Siebold Viburnum - Viburnum sieboldii | 09/30/2009 |
| Silkworm Thorn - Cudrania tricuspidata | 02/04/2009 |
| Silver King Juniper - Juniperus scopulorum 'Silver King' | 03/13/2009 |
| Silver Linden - Tilia tomentosa | 12/15/2008 |
| Smooth-leaved Elm - Ulmus carpinifolia 'Wredei' | 03/13/2009 |
| Sour Gum Tree - Nyssa sylvatica | 03/13/2009 |
| Southern Black Haw - Viburnum rufidulum | 02/08/2009 |
| Speckled Alder - Alnus incana | 03/13/2009 |
| Spindle Tree - Euonymus nikoensis | 12/25/2008 |
| Subalpine Fir - Abies lasiocarpa | 03/13/2009 |
| Sugar Maple - Acer saccharum | 03/09/2009 |
| Sugar Tyme™ Crabapple - Malus 'Sutyzam' | 10/10/2009 |
| Sulphur Shelf Fungus - Laetiporus sulphureus | 09/19/2009 |
| Swamp White Oak - Quercus bicolor | 03/13/2009 |
| Swedish Juniper - Juniperus communis | 10/02/2009 |
| Swedish Whitebeam - Sorbus intermedia | 10/02/2009 |
| Sweet Birch - Betula lenta | 10/02/2009 |
| Sweet Gum - Liquidambar styraciflua | 10/02/2009 |
| Table Mountain Pine - Pinus pungens | 10/02/2009 |
| Tapestry Rhododendron | 03/23/2009 |
| Tea Crabapple - Malus hupehensis | 10/10/2009 |
| Thornless Honey Locust Tree - Gleditsia triacanthos | 11/30/2008 |
| Toringo Crabapple - Malus sieboldii | 10/11/2009 |
| Tree Family Betulaceae - Alders, Birches, Hornbeams | 09/29/2009 |
| Tree Family Cupressaceae – Redwoods, Cypress, Arborvitae, Juniper | 09/29/2009 |
| Tree Family Fabaceae | 09/29/2009 |
| Tree Family Juglandaceae | 09/29/2009 |
| Tree Family Pinaceae: The Pines, Cedars, Spruce, and Firs | 09/29/2009 |
| Tree Family Salicaceae - Willows and Poplars | 09/29/2009 |
| Tree Family Taxaceae -- Yews | 09/29/2009 |
| Tree Family Tiliaceae - Basswoods, Lindens | 09/29/2009 |
| Tree Family Ulmaceae - Zelkovas, Hackberries and Elms | 09/29/2009 |
| Tree Family: Caprifoliaceae - Honeysuckle | 09/29/2009 |
| Tree Family: Caprifoliaceae - Honeysuckle | 09/29/2009 |
| Tulip Tree - Liriodendron tulipifera | 10/02/2009 |
| Turczaninov Hornbeam - Carpinus turczaninovii | 10/02/2009 |
| Twisty Baby Black Locust - Robinia pseudoacacia 'Lacy Lady' | 10/02/2009 |
| Umbrella Black Locust - Robinia pseudoacacia 'Umbraculifera' | 09/30/2009 |
| Umbrella Magnolia - Magnolia tripetala | 09/20/2009 |
| Upright Silver Linden - Tilia tomentosa 'Erecta' | 12/15/2008 |
| Ussurian Pear - Pyrus usseriensis | 09/30/2009 |
| Water Locust Tree - Gleditsia aquatica | 09/30/2009 |
| Weeping European Beech - Fagus sylvatica var. 'Pendula' | 09/30/2009 |
| Weeping Katsura - Cercidiphyllum japonicum 'pendulum' | 02/21/2009 |
| Weeping Mulberry - Morus alba 'Pendula' | 09/30/2009 |
| Weston's Mayflower Rhododendron | 11/30/2008 |
| White Birch Tree - Betula papyrifera | 09/29/2009 |
| White Fir - Abies concolor | 09/29/2009 |
| White Mulberry - Morus alba | 09/29/2009 |
| White Oak - Quercus alba | 09/29/2009 |
| White Poplar - Populus alba | 09/29/2009 |
| White Tigress Maple - Acer tegmentosum | 09/29/2009 |
| Whitebark Magnolia - Magnolia hypoleuca | 09/20/2009 |
| Wild Pear - Pyrus pyraster | 09/29/2009 |
| Winterberry Euonymus - Euonymus bungeanus | 09/29/2009 |
| Witch-Hazel - Hamamelis virginiana | 09/29/2009 |
| Yellow Buckeye - Aesculus flava | 09/29/2009 |
| Yunnan Crabapple - Malus yunnanensis | 10/17/2009 |
