Ailanthus

Ailanthus altissima (Tree of Heaven )

Argyrocytisus

Argyrocytisus battandieri (Pineapple Broom )

Artocarpus

Artocarpus altilis (Breadfruit)

Azadirachta

Azadirachta indica (Neem )

Azara

Azara microphylla (Boxleaf Azara)

Betula

Betula pubescens (Downy Birch)

Caragana

Caragana arborescens (Siberian Peashrub )

Carpinus

Carpinus betulus (European Hornbeam)
Carpinus orientalis (Oriental Hornbeam)

Carya

Carya illinoinensis (Pecan)
Carya laciniosa (Shellbark Hickory)
Carya ovata (Shagbark Hickory)

Celtis

Celtis occidentalis (Common Hackberry)
Celtis pallida (Desert Hackberry )

Cercocarpus

Cercocarpus betuloides (Birchleaf Mountain-mahogany )
Cercocarpus ledifolius (Curlleaf Mountain-mahogany)

Cinnamomum

Cinnamomum camphora (Camphor Tree )

Cornus

Cornus alternifolia (Pagoda Dogwood)
Cornus controversa 'June Snow' (June Snow Giant Dogwood)

Cotinus

Cotinus coggygria (Common Smoketree )
Cotinus obovatus (American Smoketree )

Elaeagnus

Elaeagnus angustifolia (Russian-olive)
Elaeagnus umbellata (Autumn Elaeagnus )

Eucalyptus

Eucalyptus neglecta (Omeo Eucalyptus )
Eucalyptus nicholii (Narrow-leaved Peppermint Eucalyptus )
Eucalyptus pauciflora subsp. niphophila (Alpine Snow Gum )
Eucalyptus rodwayi (Swamp Peppermint Eucalyptus )

Fagus

Fagus grandifolia (American Beech)
Fagus sylvatica (European Beech)
Fagus sylvatica 'Asplenifolia' (Fernleaf European Beech)
Fagus sylvatica 'Miltonensis' (Milton Weeping European Beech)
Fagus sylvatica 'Purple Fountain' (Purple Fountain European Beech)
Fagus sylvatica 'Purpurea' (Purpleleaf European Beech, )
Fagus sylvatica 'Red Obelisk' (Red Obelisk European Beech)
Fagus sylvatica 'Rotundifolia' (Roundleaf European Beech)
Fagus sylvatica 'Tortuosa Purpurea' (Contorted Purple Beech)
Fagus sylvatica 'Tricolor' (Tricolor European Beech )
Fagus sylvatica f. pendula (Weeping European Beech)

Firmiana

Firmiana simplex (Chinese Parasol Tree )

Frangula

Frangula alnus (Alder Buckthorn )

Fremontodendron

Fremontodendron (Flannel Bush )

Gleditsia

Gleditsia macracantha (Large Spined Honeylocust)

Grevillea

Grevillea robusta (Silky Oak )

Hamamelis

Hamamelis virginiana (Common Witchhazel)

Hippophae

Hippophae rhamnoides (Sea Buckthorn)

Idesia

Idesia polycarpa (Iigiri Tree )

Kalopanax

Kalopanax septemlobus (Castor-aralia )

Koelreuteria

Koelreuteria paniculata (Golden Raintree )
Koelreuteria paniculata 'Fastigiata' (Upright Golden Raintree)

Laburnum

Laburnum × watereri (Goldenchain Tree )

Liquidambar

Liquidambar formosana (Formosan Sweetgum)
Liquidambar styraciflua Emerald Sentinel® (Emerald Sentinel Sweetgum)
Liquidambar styraciflua Gold Dust® (Gold Dust Sweetgum)
Liquidambar styraciflua Happidaze™ (Happidaze Sweetgum)
Liquidambar styraciflua 'Rotundiloba' (Rotundiloba Sweetgum)

Liriodendron

Liriodendron chinense (Chinese Tuliptree)
Liriodendron tulipifera (Tuliptree )
Liriodendron tulipifera 'Aureo-marginatum' (Aureo-marginatum Tuliptree)
Liriodendron tulipifera 'Medio-pictum' (Medio-pictum Tuliptree )

Maackia

Maackia amurensis (Amur Maackia)

Maclura

Maclura pomifera (Osage-orange )

Magnolia

Magnolia 'Butterflies' (Butterflies Magnolia)
Magnolia 'Elizabeth' (Elizabeth Magnolia)
Magnolia ernestii (Yellow Lily Tree)

Nothofagus

Nothofagus antarctica (Southern Beech )
Nothofagus fusca (New Zealand Red Beech )

Notholithocarpus

Notholithocarpus densiflorus (Tanoak )

Nyssa

Nyssa sylvatica (Sour Gum )

Parkinsonia

Parkinsonia florida (Blue Palo Verde)
Parkinsonia microphyllum (Littleleaf Palo Verde )

Pittosporum

Pittosporum tobira (Japanese Mock Orange )

Platanus

Platanus acerifolia (London Planetree )
Platanus mexicana (Mexican Sycamore)
Platanus occidentalis (American Sycamore or Planetree )
Platanus racemosa (California Sycamore )

Platycarya

Platycarya strobilacea (Platycarya)

Populus

Populus fremontii (Fremont Cottonwood )

Prunus

Prunus serrulata 'Ukon' (Ukon Flowering Cherry)

Punica

Punica granatum (Pomegranate)

Purshia

Purshia stansburiana (Cliffrose)

Quercus

Quercus glauca (Japanese Blue Oak)
Quercus hypoleucoides (Silverleaf Oak)
Quercus lobata (Valley Oak)
Quercus stellata (Post Oak)

Quillaja

Quillaja saponaria (Soap-bark Tree )

Rhododendron (defines evaluations)

Rhododendron falconeri subsp. falconeri (Falconer Rhododendron)
Rhododendron irroratum (Irroratum Rhododendron)
Rhododendron lacteum (Lacteum Rhododendron)
Rhododendron macabeanum (Macabeanum Rhododendron)
Rhododendron sinofalconeri (Sinofalconer Rhododendron)
Rhododendron sinogrande (Sinogrande Rhododendron)

Rhus

Rhus chinensis (Chinese Sumac )
Rhus lancea (African Sumac )

Salix

Salix babylonica (Weeping Willow)
Salix caprea 'Kilmarnock' (Kilmarnock Willow)

Sapindus

Sapindus drummondii (Western Soapberry)

Sassafras

Sassafras albidum (Common Sassafras )

Searsia

Searsia lancea (African Sumac )

Sideroxylon

Sideroxylon lanuginosum (Gum Bumelia )

Stewartia

Stewartia koreana (Korean Stewartia)