Acer

Azara

Cinnamomum

Cornus

Cotinus

Elaeagnus

Fremontodendron

Hamamelis

Hydrangea

Liriodendron

Magnolia

Pittosporum

Prunus

Punica

Purshia

Quillaja

Rhododendron (defines evaluations)

Salix

Stewartia

Syringa

Tasmannia

Tilia