Aesculus

Arctostaphylos

Carpenteria

Ceanothus

Chionanthus

Cistus

Crataegus

Davidia

Fothergilla

Fraxinus

Leucothoe

Leycesteria

Loropetalum

Luma

Osmanthus

Pieris

Prunus

Pyracantha

Pyrus

Quillaja

Rhaphiolepis

Rhododendron (defines evaluations)

Salix

Spiraea

Stewartia

Styrax

Toona

Vaccinium

Viburnum