Acer

Aesculus

Azadirachta

Cinnamomum

Cornus

Elaeagnus

Gleditsia

Hydrangea

Kalopanax

Maackia

Notholithocarpus

Parkinsonia

Pittosporum

Prunus

Purshia

Quillaja

Rhododendron (defines evaluations)

Salix

Sambucus

Sapindus

Stewartia

Syringa

Tasmannia

Tetradium

Toona

Umbellularia

Washingtonia

Yucca