Acer

Alnus

Amelanchier

Arbutus

Arctostaphylos

Baccharis

Calycanthus

Ceanothus

Chamaebatiaria

Chrysolepis

Chrysothamnus

Cornus

Corylus

Crataegus

Dasiphora

Elaeagnus

Ericameria

Garrya

Gaultheria

Holodiscus

Leucothoe

Lonicera

Mahonia

Malus

Menziesia

Morella

Notholithocarpus

Oemleria

Oplopanax

Oxalis

Philadelphus

Physocarpus

Prunus

Purshia

Rhododendron (defines evaluations)

Rhus

Ribes

Robinia

Rosa

Rubus

Sambucus

Sorbus

Spiraea