Baccharis

Berberis

Corylopsis

Enkianthus

Hamamelis

Idesia

Kalopanax

Kerria

Koelreuteria

Menziesia

Paeonia

Parrotiopsis

Prunus

Rhododendron (defines evaluations)

Rhus

Ribes

Salix

Stachyurus

Stewartia

Tilia

Toona