Azadirachta

Azara

Baccharis

Berberis

Brachyglottis

Corylopsis

Elaeagnus

Enkianthus

Grevillea

Hamamelis

Idesia

Kalopanax

Kerria

Koelreuteria

Mahonia

Menziesia

Morella

Notholithocarpus

Paeonia

Parrotiopsis

Prunus

Quillaja

Rhododendron (defines evaluations)

Rhus

Ribes

Salix

Stachyurus

Stewartia

Tilia

Toona

Waldsteinia