Arctostaphylos

Chionanthus

Clerodendrum

Cornus

Cotoneaster

Crataegus

Cydonia

Drimys

Exochorda

Feijoa

Heptacodium

Lagerstroemia

Ligustrum

Luma

Maackia

Magnolia

Myrtus

Olneya

Osmanthus

Pittosporum

Prunus

Quillaja

Rhododendron (defines evaluations)

Rhus

Robinia

Salix

Stewartia

Syringa

Tasmannia

Yucca