Acer

Acer coriaceifolium (Leatherleaf Maple)
Acer glabrum (Rocky Mountain Maple )
Acer glabrum var. douglasii (Douglas Maple )
Acer oblongum (Evergreen Maple )
Acer opalus subsp. obtusatum (Bosnian Maple)
Acer pensylvanicum (Striped Maple )
Acer sempervirens (Cretan Maple)
Acer shirasawanum (Shirasawa Maple)
Acer shirasawanum 'Aureum' (Golden Fullmoon Maple)
Acer spicatum (Mountain Maple )
Acer tataricum subsp. ginnala (Amur Maple)

Azara

Azara microphylla (Boxleaf Azara)

Buxus

Buxus sempervirens 'Arborescens' (Truetree Boxwood)

Carpinus

Carpinus orientalis (Oriental Hornbeam)

Celtis

Celtis pallida (Desert Hackberry )

Cercocarpus

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

Cornus

Cornus alternifolia (Pagoda Dogwood)
Cornus capitata (Evergreen Dogwood )
Cornus mas (Corneliancherry Dogwood)
Cornus officinalis (Japanese Cornelian 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 pauciflora subsp. niphophila (Alpine Snow Gum )

Euonymus

Euonymus europaeus (Common Spindle Tree )

Frangula

Frangula alnus (Alder Buckthorn )

Fraxinus

Fraxinus anomala (Singleleaf Ash )

Fremontodendron

Fremontodendron (Flannel Bush )

Hamamelis

Hamamelis virginiana (Common Witchhazel)

Hippophae

Hippophae rhamnoides (Sea Buckthorn)

Hydrangea

Hydrangea paniculata (Panicle Hydrangea)

Magnolia

Magnolia 'Elizabeth' (Elizabeth Magnolia)

Notholithocarpus

Notholithocarpus densiflorus (Tanoak )

Pittosporum

Pittosporum tobira (Japanese Mock Orange )

Punica

Punica granatum (Pomegranate)

Purshia

Purshia stansburiana (Cliffrose)

Quercus

Quercus hypoleucoides (Silverleaf Oak)

Quillaja

Quillaja saponaria (Soap-bark Tree )

Rhododendron (defines evaluations)

Rhododendron irroratum (Irroratum Rhododendron)
Rhododendron lacteum (Lacteum Rhododendron)

Salix

Salix caprea 'Kilmarnock' (Kilmarnock Willow)

Shepherdia

Shepherdia argentea (Silver Buffaloberry )

Sideroxylon

Sideroxylon lanuginosum (Gum Bumelia )

Stewartia

Stewartia serrata (Sawtooth Stewartia)

Syringa

Syringa pekinensis (Peking Lilac )

Tasmannia

Tasmannia lanceolata (Mountain Pepper)

Umbellularia

Umbellularia californica (Oregon Myrtle )