Alnus

Alnus alnobetula subsp. sinuata (Sitka Alder )
Alnus incana subsp. tenuifolia (Thinleaf Alder )

Amelanchier

Amelanchier alnifolia (Western Serviceberry )
Amelanchier × grandiflora (Apple Serviceberry)
Amelanchier × grandiflora Autumn Brilliance® (Autumn Brilliance Serviceberry)
Amelanchier × grandiflora 'Forest Prince' (Forest Prince Serviceberry)
Amelanchier laevis (Allegheny Serviceberry )

Arbutus

Arbutus unedo (Strawberry Tree )

Arctostaphylos

Arctostaphylos × 'Austin Griffiths' (Austin Griffiths Manzanita)
Arctostaphylos andersonii (Santa Cruz Manzanita )
Arctostaphylos manzanita (Parry Manzanita )
Arctostaphylos manzanita 'St. Helena' (St. Helena Manzanita)

Azara

Azara microphylla (Boxleaf Azara)

Buddleia

Buddleia alternifolia (Alternate-leaf Butterfly Bush )

Cercis

Cercis canadensis 'Forest Pansy' (Forest Pansy Redbud)
Cercis canadensis 'Ruby Falls' (Ruby Falls Weeping Redbud)
Cercis canadensis var. alba (White Flowered Redbud)
Cercis canadensis var. mexicana (Mexican Redbud)
Cercis canadensis var. texensis 'Oklahoma' (Oklahoma Redbud)
Cercis chinensis 'Avondale' (Avondale Chinese Redbud)
Cercis siliquastrum (Judus Tree )

Chilopsis

Chilopsis linearis (Desert Willow )

Chrysolepis

Chrysolepis chrysophylla (Golden Chinkapin )

Cornus

Cornus alternifolia (Pagoda Dogwood)

Corylus

Corylus avellana (Hazelnut )
Corylus avellana 'Red Dragon' (Red Dragon Hazelnut)
Corylus avellana 'Rote Zeller' (Rote Zeller Hazelnut)

Cotinus

Cotinus coggygria (Common Smoketree )
Cotinus coggygria 'Royal Purple' (Royal Purple Smoketree)
Cotinus obovatus (American Smoketree )

Cotoneaster

Cotoneaster salicifolius (Willowleaf Cotoneaster)

Crataegus

Crataegus columbiana (Columbia Hawthorn)
Crataegus douglasii (Douglas Hawthorn )
Crataegus germanica (Medlar)
Crataegus laevigata (English Hawthorn )

Cydonia

Cydonia oblonga (Quince)

Daphniphyllum

Daphniphyllum macropodum (False Daphne )

Drimys

Drimys winteri (Winter's Bark )

Elaeagnus

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

Exochorda

Exochorda racemosa (Common Pearlbush)

Franklinia

Franklinia alatamaha (Franklin Tree )

Fremontodendron

Fremontodendron (Flannel Bush )

Hamamelis

Hamamelis virginiana (Common Witchhazel)

Heteromeles

Heteromeles arbutifolia (Toyon )

Hibiscus

Hibiscus syriacus (Rose of Sharon )

Hovenia

Hovenia dulcis (Japanese Raisintree )

Ilex

Ilex paraguariensis (Yerba Matá )

Illicium

Illicium floridanum (Florida Anise Tree )

Lagerstroemia

Lagerstroemia (hybrid) (Hybrid Crape Myrtle)
Lagerstroemia indica (Common Crape Myrtle )

Magnolia

Magnolia 'Elizabeth' (Elizabeth Magnolia)
Magnolia 'Randy' (Randy Magnolia)
Magnolia kobus (Kobus Magnolia)
Magnolia liliiflora (Lily Magnolia)
Magnolia × loebneri (Loebner Magnolia)
Magnolia × loebneri 'Leonard Messel' (Leonard Messel Magnolia)
Magnolia salicifolia (Willowleaf Magnolia )
Magnolia sieboldii (Siebold Magnolia )
Magnolia × soulangeana (Saucer Magnolia)
Magnolia stellata (Star Magnolia)
Magnolia stellata 'Rosea' (Rosea Star Magnolia )
Magnolia virginiana (Sweetbay Magnolia)

Malus

Malus fusca (Western Crabapple )
Malus sargentii (Sargent Crabapple )
Malus transitoria (Transitoria Crabapple )

Melaleuca

Melaleuca nesophila (Pink Melaleuca )

Notholithocarpus

Notholithocarpus densiflorus (Tanoak )

Parrotia

Parrotia persica (Persian Parrotia )

Photinia

Photinia serratifolia (Chinese Photinia )

Pittosporum

Pittosporum tobira (Japanese Mock Orange )

Prunus

Prunus americana (Wild Plum )
Prunus caroliniana (Carolina Cherrylaurel )
Prunus emarginata (Bitter Cherry )
Prunus ilicifolia (Hollyleaf Cherry )
Prunus laurocerasus (Cherry Laurel )
Prunus lusitanica (Portuguese Cherry Laurel .)
Prunus subcordata (Klamath Plum )
Prunus virginiana 'Canada Red' (Canada Red Chokecherry)
Prunus virginiana var. virginiana (Common Chokecherry)

Pterostyrax

Pterostyrax hispida (Epaulette Tree )

Punica

Punica granatum (Pomegranate)

Purshia

Purshia stansburiana (Cliffrose)

Quillaja

Quillaja saponaria (Soap-bark Tree )

Rhododendron (defines evaluations)

Rhododendron 'Argosy' (Argosy Rhododendron)
Rhododendron arboreum subsp. cinnamomeum (Cinnamon Rhododendron)
Rhododendron concinnum (Concinnum Rhododendron)
Rhododendron irroratum (Irroratum Rhododendron)
Rhododendron lacteum (Lacteum Rhododendron)
Rhododendron macrophyllum (Western Rhododendron)

Rhus

Rhus ovata (Sugar Bush)

Salix

Salix caprea 'Kilmarnock' (Kilmarnock Willow)

Stewartia

Stewartia serrata (Sawtooth Stewartia)

Styrax

Styrax japonicus (Japanese Snowbell)
Styrax japonicus 'Evening Light' (Evening Light Japanese Snowbell)
Styrax japonicus 'Pink Chimes' (Pink Chimes Japanese Snowbell )

Tamarix

Tamarix aphylla (Athel Tamarix )
Tamarix parviflora (Small-flowered Tamarix )

Tasmannia

Tasmannia lanceolata (Mountain Pepper)

Umbellularia

Umbellularia californica (Oregon Myrtle )