Acer

Aesculus

Arctostaphylos

Carpenteria

Ceanothus

Cercocarpus

Chionanthus

Cistus

Crataegus

Davidia

Diospyros

Elaeagnus

Fothergilla

Fraxinus

Gleditsia

Leucothoe

Leycesteria

Loropetalum

Luma

Olea

Osmanthus

Pieris

Prunus

Ptelea

Pyracantha

Pyrus

Quillaja

Rhaphiolepis

Rhododendron (defines evaluations)

Salix

Spiraea

Stewartia

Styrax

Toona

Vaccinium

Viburnum