Acer

Aesculus

Azadirachta

Baccharis

Berberis

Celastrus

Cercocarpus

Elaeagnus

Enkianthus

Frangula

Hydrangea

Kalopanax

Menziesia

Notholithocarpus

Parrotiopsis

Platanus

Prunus

Quillaja

Rhododendron (defines evaluations)

Rhus

Salix

Sambucus

Stewartia

Toona

Viburnum

Yucca