Acer

Alnus

Amelanchier

Arbutus

Betula

Celtis

Cercocarpus

Chrysolepis

Cornus

Crataegus

Elaeagnus

Frangula

Fraxinus

Malus

Notholithocarpus

Populus

Prunus

Quercus

Rhododendron (defines evaluations)

Robinia

Sambucus

Shepherdia

Sorbus

Umbellularia