Azadirachta

Azara

Berberis

Brachyglottis

Corylopsis

Elaeagnus

Enkianthus

Grevillea

Hamamelis

Idesia

Kalopanax

Kerria

Koelreuteria

Mahonia

Paeonia

Parrotiopsis

Prunus

Quillaja

Rhododendron (defines evaluations)

Rhus

Ribes

Salix

Stachyurus

Stewartia

Tilia

Toona

Waldsteinia