| Aeonium | Aeonium arboreum var. crestata |
| African Boxwood, Cape Myrtle | Myrsine africana |
| Albanian Forsythia | Forsythia europaea |
| Alberta Spruce | Picea glauca 'Albertiana' |
| Alpine Currant | Ribes alpinum |
| Alpine Fir | Abies lasiocarpa |
| American Beech | Fagus grandifolia |
| American Bittersweet | Celastrus scandens |
| American Chestnut | Castanaea dentata |
| American Cranberry | Vaccinium macrocarpon |
| American Cranberrybush Viburnum | Viburnum trilobum |
| American Elder | Sambucus canadensis |
| American Elm | Ulmus americana |
| American Euonymus | Euonymus americanus |
| American Filbert | Corylus americana |
| American Holly | Ilex opaca |
| American Hornbeam. Blue Beech | Carpinus caroliniana |
| American Linden, Basswood | Tilia americana |
| American Planetree | Platanus occidentalis |
| American Smoketree | Cotinus obovatus |
| American Snowbell | Styrax americanus |
| American Sweetgum | Liquidambar styraciflua |
| American western Larch | Larix occidentalis |
| American Wisteria | Wisteria frutescens |
| Amur Chokecherry | Prunus maackii |
| Amur Corktree | Phellodendron amurense |
| Amur Honeysuckle | Lonicera maackii |
| Amur Maackia | Maackia amurensis |
| Amur Maple | Acer ginnala |
| Anise-tree | Illicium |
| Arborvitae | Thuja |
| Arizona Cypress | Cupressus arizonica |
| Atlas Cedar | Cedrus atlantica |
| Australian Pine, Ironwood | Casuarina cunninghamiana |
| Australian Tea Tree | Leptospermum laevigatum |
| Austrian Pine | Pinus nigra |
| Baldcypress | Taxodium distichum |
| Balkan Pine | Pinus leucodermis |
| Balsam Fir | Abies balsamea |
| Barbados Cherry | Malpighia glabra |
| Barbados Cherry, Surinam Cherry | Eugenia uniflora |
| Beech | Fagus |
| Birds Nest Spruce | Picea abies 'Nidiformis' |
| Black Ash | Fraxinus nigra |
| Black Cherry | Prunus serotina |
| Black Chokeberry | Aronia melanocarpa |
| Black Hills Spruce | Picea glauca 'Densata' |
| Black Olive | Bucida spinosa |
| Black Spruce | Picea mariana |
| Black Tupelo, Black Gum | Nyssa sylvatica |
| Black Walnut | Juglans nigra |
| Black Willow | Salix nigra |
| Blauwii Juniper | Juniperus chinensis 'Blauwii' |
| Blue Atlas Cedar | Cedrus atlantica 'Glauca' |
| Blue Japanese Oak, Ring-cupped Oak | Quercus glauca |
| Bluebeard, Blue Spirea | Caryopteris clandonensis |
| Bog Rosemary | Andromeda polifolia |
| Border Forsythia | Forsythia x intermedia |
| Bottlebrush | Callistemon phoeniceus |
| Bougainvillea | Bougainvillea spectabilis |
| Boxleaf Honeysuckle, Box Honeysuckle | Lonicera nitida |
| Bradford Callery Pear | Pyrus calleryana 'Bradford' |
| Brewer Spruce | Picea brewerana |
| Bridalwreath Spirea | Spiraea prunifolia |
| Bristlecone Pine | Pinus aristata |
| Broom | Genista pilosa |
| Brush Cherry | Syzygium paniculatum |
| Buckeye, Horsechestnut, | Aesculus |
| Buddha Bamboo | Bambusa ventricosa |
| Bur Oak, Mossycup Oak | Quercus macrocarpa |
| Butterfly-bush, Summer Lilac | Buddleia davidii |
| Butternut | Juglans cinerea |
| Buttonbush | Cephalanthus occidentalis |
| Buttonwood | Conocarpus erectus |
| Calamondin Orange | Citrus x |
| California Incensecedar | Calocedrus decurrens |
| California Juniper | Juniperus californica |
| California Live Oak | Quercus agrifolia |
| California Privet | Ligustrum ovalifolium |
| Canadian Eastern Hemlock | Tsuga canadensis |
| Canadian Yew | Taxus canadensis |
| Carob Tree, St. John's Bread | Ceratonia siliqua |
| Carolina Hemlock | Tsuga caroliniana |
| Carolina Poplar | Populus canadensis |
| Castor Aralia | Kalopanax pictus |
| Cedar Elm | Ulmus crassifolia |
| Cedar of Lebanon | Cedrus libani |
| Chenault Barberry | Berberis chenaultii |
| Cherry | Prunus |
| Chinaberry, Pride of India | Melia azedarach |
| Chinese Banyan | Ficus microcarpa |
| Chinese Box Orange | Severinia buxifolia |
| Chinese Chestnut | Castanaea mollissima |
| Chinese Elm, Lacebark Elm | Ulmus parvifolia |
| Chinese Evergreen Oak | Quercus myrsinifolia |
| Chinese Firethorn | Pyracantha fortuneana |
| Chinese Flowering Crabapple | Malus spectabilis |
| Chinese Gooseberry, Kiwi Fruit | Actinidia chinensis |
| Chinese Hackberry | Celtis sinensis |
| Chinese Holly | Ilex cornuta |
| Chinese Hornbeam | Carpinus cordata |
| Chinese juniper | Juniperus chinensis |
| Chinese Lilac | Syringa chinensis |
| Chinese Magnolia | Magnolia sinensis |
| Chinese Mahonia | Mahonia fortunei |
| Chinese Paper Birch | Betula albo-sinensis |
| Chinese Photinia | Photinia serrulata |
| Chinese Pine | Pinus tabuliformis |
| Chinese Privet | Ligustrum sinense |
| Chinese Quince | Pseudocydonia |
| Chinese Quince | Cydonia sinensis |
| Chinese Redbud | Cercis chinensis |
| Chinese Stewartia | Stewartia sinensis |
| Chinese Sweet Plum | Sageretia thea 'theezans' |
| Chinese Tallow Tree | Sapium sebiferum |
| Chinese Wisteria | Wisteria sinensis |
| Chinese Zelkova | Zelkova sinica |
| Climbing Fig | Ficus pumila |
| Climbing Hydrangea | Hydrangea anomala petiolaris |
| Cockspur Hawthorn | Crataegus crusgalli |
| Colorado Blue Spruce | Picea pungens 'Glauca' |
| Common Alder, Black Alder, European Alder | Alnus glutinosa |
| Common Barberry | Berberis vulgaris |
| Common Box, Boxwood | Buxus sempervirens |
| Common Buckthorn | Rhamnus cathartica |
| Common Chinafir | Cunninghamia lanceolata |
| Common Chokecherry | Prunus virginiana |
| Common Fig | Ficus carica |
| Common Flowering Quince | Chaenomeles speciosa |
| Common Hackberry | Celtis occidentalis |
| Common Juniper | Juniperus communis |
| Common Lilac | Syringa vulgaris |
| Common Linden, European Linden | Tilia europaea |
| Common Mulberry, White Mulberry | Morus alba |
| Common Olive | Olea europaea |
| Common Pawpaw | Asimina triloba |
| Common Peach | Prunus persica |
| Common Pear | Pyrus communis |
| Common Pearlbush | Exochorda racemosa |
| Common Persimmon | Diospyros virginiana |
| Common Privet, European Privet | Ligustrum vulgare |
| Common Seabuckthorn | Hippophae rhamnoides |
| Common Smoketree, Smokebush | Cotinus coggygria |
| Common Snowberry | Symphoricarpos albus |
| Common White Jasmine | Jasminum officinale |
| Common Witchhazel | Hamamelis virginiana |
| Common Yew, English Yew | Taxus baccata |
| Contorted Filbert | Corylus |
| Cork-bark Black Pine | Pinus thunbergiana 'Corticosta' |
| Corkscrew Hankow Willow | Salix matsudana 'Tortuosa' |
| Cotoneaster | Cotoneaster |
| Crabapple | Malus sp. |
| Cranberry Cotoneaster | Cotoneaster apiculatus |
| Crape Myrtle | Lagerstroemia indica |
| Creeping Cotoneaster | Cotoneaster adpressus |
| Creeping Juniper | Juniperus horizontalis |
| Cycad, Sago Palm | Cycas revoluta |
| Daphne Spirea | Spirea japonica 'Alpina' |
| David Maple | Acer davidii |
| David Viburnum | Viburnum davidii |
| Dawn Redwood | Metasequoia |
| Deodar Cedar | Cedrus deodara |
| Deutzia | Deutzia |
| Devils walkingstick, Hercules club | Aralia spinosa |
| Dogwood | Cornus |
| Douglasfir, Douglas fir | Pseudotsuga menziesii |
| Dwarf Eastern White Pine | Pinus strobus 'Nana' |
| Dwarf Alberta Spruce | Picea glauca 'Conica' |
| Dwarf Birch | Betula nana |
| Dwarf Boxwood | Buxus microphylla sinica |
| Dwarf Bush Cherry | Eugenia myrtifolia |
| Dwarf Flowering Almond | Prunus glandulosa |
| Dwarf Fothergilla | Fothergilla gardenii |
| Dwarf Heavenly Bamboo, Nandina Bamboo | Nandina domestica 'Nana' |
| Dwarf Hinoki Cypress | Chamacyparis obtusa 'Nana' |
| Dwarf Japanese Garden Juniper | Juniperus procumbens 'Nana' |
| Dwarf Myrtle | Myrtus communis compacta |
| Dwarf Poinciana | Poinciana pulcherrima |
| Dwarf Pomegranate | Punica granatum 'Nana' |
| Dwarf Powder Puff | Calliandra emarginata |
| Dwarf Russian Almond | Prunus tenella |
| Dwarf Schefflera | Schefflera arboricola |
| Eastern Red Cedar | Juniperus virginiana |
| Eastern Redbud | Cercis canadensis |
| Eastern White Pine | Pinus strobus |
| Echiniformis Spruce | Picea abies 'Echiniformis' |
| Elaeagnus | Elaeagnus |
| Elephant Bush | Portulacaria afra |
| Elfin Herb, Mexican Heather | Cuphea hyssopifolia |
| Elm | Ulmus |
| Elm Zelkova | Zelkova carpinifolia |
| English Elm | Ulmus procera |
| English Hawthorn | Crataegus laevigata |
| English Holly | Ilex aquifolium |
| English Ivy | Hedera helix |
| English Oak, Truffle Oak | Quercus robur |
| English Walnut, Persian, Common Walnut | Juglans regia |
| Euonymus | Euonymus |
| European Beech | Fagus sylvatica |
| European Euonymus | Euonymus europaeus |
| European Hornbeam | Carpinus betulus |
| European Larch, Common Larch | Larix decidua |
| European Mountainash | Sorbus aucuparia |
| European Red Elder | Sambucus racemosa |
| European White Birch | Betula pendula |
| Fir | Abies sp. |
| Firethorn, Everlasting Thorn | Pyracantha coccinea |
| Five-stem Tamarix | Tamarix ramosissima |
| Florida Fig, Strangler Fig | Ficus aurea |
| Flowering Ash | Fraxinus ornus |
| Flowering Dogwood | Cornus florida |
| Formosa Firethorn | Pyracantha koidzumii |
| Formosan Sweetgum | Liquidambar formosana |
| Forsythia | Forsythia |
| Fragrant Daphne, Winter Daphne | Daphne odora |
| Fragrant Sumac | Rhus aromatica |
| Fragrant Viburnum | Viburnum farreri |
| Fragrant Winterhazel | Corylopsis glabrescens |
| Fragrant Wintersweet | Cimonanthus praecox |
| Franklinia, Franklin Tree | Franklinia alatamaha |
| Fukien Tea | Ehretia microphylla |
| Fullmoon Maple | Acer shirasawanum 'Aureum' |
| Giant Western Arborvitae | Thuja plicata |
| Ginkgo, Maidenhair Tree | Ginkgo biloba |
| Glossy Abelia | Abelia grandiflora |
| Glossy Buckthorn, Alder Buckthorn | Rhamnus frangula |
| Golden Atlas Cedar | Cedrus atlantica 'Aurea' |
| Golden Larch | Pseudolarix kaempferi |
| Golden Privet | Ligustrum vicaryi |
| Grape | Vitis |
| Gray Birch, Old Field Birch | Betula populifolia |
| Greek Myrtle | Myrtus communis |
| Green Ash | Fraxinus pennsylvanica |
| Ground Juniper | Juniperus communis 'depressa' |
| Guava, Pineapple Guava | Feijoa sellowiana |
| Hall's Crabapple | Malus halliana |
| Hardy-orange | Poncirus trifoliata |
| Hawthorn | Crataegus |
| Hazel, Turkish Filbert | Corylus colurna |
| Heavenly Bamboo, Nandina Bamboo | Nandina domestica |
| Hedge Bamboo | Bambusa glaucescens |
| Hedge Maple | Acer campestre |
| Hemlock | Tsuga |
| Hickory | Carya |
| Highbush Blueberry | Vaccinium corymbosum |
| Hinoki Cypress | Chamacyparis obtusa |
| Holly | Ilex |
| Honeysuckle | Lonicera |
| Horsetail Tree | Casuarina equisetifolia |
| Inkberry Holly | Ilex glabra |
| Italian Alder | Alnus cordata |
| Italian Cypress | Cupressus sempervirens |
| Jaboticaba | Myrciaria caulifora |
| Jack Pine | Pinus banksiana |
| Jackman Clematis | Clematis jackmanii |
| Jade Tree | Crassula argentea |
| Japanese Holly, Japanese Winterberry | Ilex serrata |
| Japanese Aralia | Aralia elata |
| Japanese Aucuba | Aucuba japonica |
| Japanese Azalea | Rhododendron japonicum |
| Japanese Barberry | Berberis thunbergii |
| Japanese Beautyberry | Callicarpa japonica |
| Japanese Beech | Fagus crenata |
| Japanese Black Pine | Pinus thunbergiana |
| Japanese Boxwood | Buxus microphylla |
| Japanese Camellia, Higo Camellia | Camellia japonica |
| Japanese Cleyera | Cleyera japonica |
| Japanese Cornelian Cherry | Cornus officinalis |
| Japanese Enkianthus | Enkianthus perulatus |
| Japanese Euonymus | Euonymus japonicus |
| Japanese Falsecypress | Chamacyparis pisifera |
| Japanese Fatsia | Fatsia japonica |
| Japanese Flowering Crabapple, Showy Crabapple | Malus floribunda |
| Japanese Forsythia | Forsythia japonica |
| Japanese Garden Juniper | Juniperus procumbens |
| Japanese Hawthorn | Crataegus cuneata |
| Japanese Hemlock | Tsuga diversifolia |
| Japanese Holly | Ilex crenata |
| Japanese Honeysuckle | Lonicera japonica |
| Japanese Hornbeam | Carpinus japonica |
| Japanese Larch | Larix kaempferi |
| Japanese Maple | Acer palmatum |
| Japanese Mountainash | Sorbus commixta |
| Japanese Pagodatree | Sophora japonica |
| Japanese Persimmon | Diospyros kaki |
| Japanese Pieris, Lily-of-the-valley Bush | Pieris japonica |
| Japanese Pittosporum, Mock Orange | Pittosporum tobira |
| Japanese Privet | Ligustrum japonicum |
| Japanese Raisintree | Hovenia dulcis |
| Japanese Red Pine | Pinus densiflora |
| Japanese Rose | Rosa multiflora |
| Japanese Skimmia | Skimmia japonica |
| Japanese Snowbell | Styrax japonicus |
| Japanese Spirea | Spiraea japonica |
| Japanese Stone Pine | Pinus pumila |
| Japanese Tree Lilac | Syringa reticulata |
| Japanese Viburnum | Viburnum japonicum |
| Japanese White Pine, Japanese Five-needle Pine | Pinus parviflora |
| Japanese White Spirea | Spiraea albiflora |
| Japanese Wisteria | Wisteria floribunda |
| Japanese Yew | Taxus cuspidata |
| Japanese Yew, Buddhist Pine | Podocarpus macrophyllus |
| Jasmine | Jasminum |
| Juniper | Juniperus |
| Katsuratree | Cercidiphyllum japonicum |
| Kentucky Coffeetree | Gymnocladus dioicus |
| Korean Abelialeaf, White Forsythia | Abeliophyllum distichum |
| Korean Boxwood | Buxus microphylla koreana |
| Korean Hornbeam | Carpinus tschonoskii |
| Korean Mountainash | Sorbus alnifolia |
| Korean Stewartia | Stewartia koreana |
| Kousa Dogwood | Cornus kousa |
| Kumquat | Fortunella Hindsii |
| Kyushu Azalea | Rhododendron kiusianum |
| Lantana, Yellow Sage | Lantana camara |
| Large Fothergilla | Fothergilla major |
| Lavender Cotton | Santolina chamaecyparissus |
| Lavender, English Lavender | Lavandula |
| Lawson Falsecypress | Chamacyparis lawsoniana |
| Lemon | Citrus limon |
| Leyland Cypress | Cupressocyparis |
| Lilac | Syringa |
| Limber Pine | Pinus flexilis |
| Linden | Tilia |
| Little Gem Spruce | Picea abies 'Little Gem' |
| Little Leaf Cotoneaster | Cottoneaster microphyllus |
| Little Princess Spirea | Spirea, japonica 'Alpina Little Princess' |
| Littleleaf Caragana | Caragana microphylla |
| Littleleaf Lilac | Syringa microphylla |
| Littleleaf Linden | Tilia cordata |
| Live Oak | Quercus viriniana |
| Loblolly Pine | Pinus taeda |
| Lodgepole Pine | Pinus contorta 'latifolia' |
| London Planetree | Platanus acerifolia |
| Loquat | Eriobotrya japonica |
| Lowbush Blueberry | Vaccinium angustifolium |
| Macedonian Pine | Pinus peuce |
| Magnolia | Magnolia |
| Maple | Acer sp. |
| Mazzard Cherry, Sweet Cherry | Prunus avium |
| Midget Crabapple | Malus micromalus |
| Mimosa, Albizia, Silk Tree | Albizia julibrissin |
| Mineature Joshua Tree | Sedum multiceps |
| Ming Aralia | Polyscias fruticosa |
| Ming Plant | Crassula phyteris |
| Miniature Holly | Malpighia coccigera |
| Mississippi Sugar Hackberry | Celtis laevigata |
| Mistletoe Fig | Ficus deltoidea |
| Mollis Hybrid Azaleas | Rhododendron kosteranum |
| Monterey Cypress | Cupressus macrocarpa |
| Morrow Honeysuckle | Lonicera morrowii |
| Mountain Andromeda | Pieris floribunda |
| Mountain Hemlock | Tsuga mertensiana |
| Mountain Laurel | Kalmia latifolia |
| Mountain Maple | Acer spicatum |
| Mountain Ninebark | Physocarpus monogynus |
| Mountain Stewartia | Stewartia ovata |
| Mucronata Spruce | Picea abies 'Mucronata' |
| Mugho Pine, Swiss Mountain Pine | Pinus mugo |
| Nagami Kumquat | Fortunella margarita |
| Natal Plum | Carissa grandiflora |
| Neea | Neea buxifolia |
| Needle Juniper | Juniperus rigida |
| New Jersey Tea, Redroot | Ceanothus americanus |
| Norfolk Island Pine | Araucaria heterophylla |
| Northern Bayberry | Myrica pensylvanica |
| Northern Catalpa | Catalpa speciosa |
| Norway Maple | Acer platanoides |
| Norway Spruce | Picea abies |
| Oak | Quercus |
| Old Fashioned Weigela | Weigela florida |
| Oleander | Nerium oleander |
| Orange Jasmine, Jessamine | Murraya paniculata |
| Oriental Arborvitae | Thuja orientalis |
| Oriental Hornbeam | Carpinus orientalis |
| Oriental Oak | Quercus variabilis |
| Oriental Photinia | Photinia villosa |
| Oriental Spruce | Picea orientalis |
| Osage-orange, Hedge-apple | Maclura pomifera |
| Otaheite Orange | Citrus limonia |
| Pagoda Dogwood | Cornus alternifolia |
| Paleleaf Barberry | Berberis candidula |
| Paper Birch, White Birch | Betula papyrifera |
| Paper Flower Bougainvillea | Bougainvillea glabra |
| Paper Mulberry, Tapa-cloth Tree | Broussonetia papyrifera |
| Paperbark Maple | Acer griseum |
| Patridgeberry, Twinberry, Squawberry | Mitchella |
| Peking Cotoneaster | Cotoneaster acutifolius |
| Pfitzer Juniper | Juniperus chinensis 'Pfitzeriana' |
| Pin Oak, Swamp Oak | Quercus palustris |
| Pine | Pinus |
| Pitch Pine | Pinus rigida |
| Planetree Maple, Sycamore Maple | Acer pseudoplatanus |
| Plum-leaved Crabapple | Malus prunifolia |
| Pomegranate | Punica granatum |
| Pondcypress, Pond Baldcypress | Taxodium ascendens |
| Ponderosa Pine, Western Yellow Pine | Pinus ponderosa |
| Poplar, Aspen | Populus |
| Porcelainberry | Ampelopsis brevipedunculata |
| Port Jackson Fig | Ficus rubiginosa |
| Potentilla, Bush Cinquefoil | Potentilla fruticosa |
| Prickly-ash | Zanthoxylum americanum |
| Privet | Ligustrum |
| Privet Honeysuckle | Lonicera pileata |
| Prostrate Rosemary | Rosmarinus officinalis prostrata |
| Purple fruited Chokeberry | Aronia prunifolia |
| Purple Leaf Beech | Fagus sylvatica 'Atropunicea' ('Purpurea') |
| Pygmy Peashrub | Caragana pygmaea |
| Pyrenees Cotoneaster | Cotoneaster congestus |
| Quaking Aspen | Populus tremuloides |
| Radiant Crabapple | Malus 'Radiant' |
| Red Chokeberry | Aronia arbutifolia |
| Red Ixora | Ixora coccinea |
| Red Maple, Scarlet Maple, Swamp Maple | Acer rubrum |
| Red Mulberry | Morus rubra |
| Red Oak | Quercus rubra |
| Red Pine | Pinus resinosa |
| Red Spruce | Picea rubens |
| Red Yezo Spruce, Sakhalin Spruce | Picea glehnii |
| Red-leaved Hornbeam | Carpinus laxiflora |
| Redosier Dogwood | Cornus sericea |
| River Birch, Red Birch | Betula nigra |
| Rochea | Rochea sanguinea |
| Rock Elm | Ulmus thomasii |
| Rock Elm, Cork Elm | Ulmus davidiana var. suberosa |
| Rockspray Cotoneaster | Cotoneaster horizontalis |
| Rocky Mountain Pine | Pinus ponderosa 'scopulourm' |
| Rose Daphne | Daphne cneorum |
| Rose miniature | Rosa sp. |
| Rose-of-Sharon, Shrub Althea | Hibiscus syriacus |
| Rosemary | Rosmarinus officinalis |
| Round Kumquat | Fortunella japonica |
| Royal Paulownia | Paulownia tomentosa |
| Royal Poinciana | Delonix regia |
| Rugosa Rose | Rosa rugosa |
| Russian Olive | Elaeagnus angustifolia |
| Sageretia | Sageretia chinensis |
| Sago Palm, Coontie | Zamia floridana |
| San Jose Juniper | Juniperus chinensis 'San Jose' |
| Sand Pine | Pinus clausa |
| Sargent Crabapple | Malus sargentii |
| Sargent Viburnum | Viburnum sargentii |
| Sasanqua Camellia | Camellia sasanqua |
| Satsuki Azalea, Macranthum Azalea | Rhododendron indicum |
| Saucer Magnolia | Magnolia soulangiana |
| Savin Juniper | Juniperus sabina |
| Sawara Cypress | Chamacyparis pisifera |
| Schefflera | Brassaia actinophylla |
| Scotch Broom, Common Broom | Cytisus scoparius |
| Scotch Heather | Calluna vulgaris |
| Scotch Pine, Scots Pine | Pinus sylvestris |
| Sea Grape | Coccoloba uvifera |
| Serbian Spruce | Picea omorika |
| Serviceberry | Amelanchier |
| Shadblow Serviceberry | Amelanchier canadensis |
| Shimpaku Juniper | Juniperus x Media 'Shimpaku' |
| Shore Juniper | Juniperus conferta |
| Shore Pine | Pinus contorta |
| Siberian Crabapple | Malus baccata |
| Siberian Elm, Dwarf Elm | Ulmus pumila |
| Siberian Peashrub | Caragana arborescens |
| Siebold Maple | Acer sieboldianum |
| Sierra Juniper | Juniperus occidentalis |
| Silver Buttonwood | Conocarpus erectus sericeus |
| Silver Jade Plant | Crassula arborescens |
| Silver Maple, River Maple, White Maple, Soft Maple | Acer saccharinum |
| Singleseed Juniper | Juniperus squamata |
| Slippery Elm | Ulmus rubra |
| Small-flowered Tamarix | Tamarix parviflora |
| Snow Rose, Snow in June | Serissa foetida |
| Southern Balsam Fir, Fraser Fir, Southern Fir | Abies fraseri |
| Southern Bush Honeysuckle | Diervilla sessilifolia |
| Southern Magnolia | Magnolia grandiflora |
| Spirea | Spiraea sp. |
| Spreading Cotoneaster | Cotoneaster divaricatus |
| Spruce | Picea |
| Staghorn Sumac | Rhus typhina |
| Star Magnolia | Magnolia stellata |
| Sugar Maple, Rock Maple, Hard Maple | Acer distichum |
| Sugar Maple, Rock Maple, Hard Maple | Acer saccharum |
| Summersweet Clethra | Clethra alnifolia |
| Swamp White Oak | Quercus bicolor |
| Sweet Birch | Betula lenta |