Japan and E. China. Broadly spreading, deciduous. Good autumn display of yellow to red leaves. Bark peels in scaly plates leaving a dappled trunk. Tolerant of drought and exposure. Street tree in Japan, well worth growing.

A wide area of North America. Broadly columnar, deciduous. Vigorous tree preferring moist soils but will tolerate exposed dry sites.

Mexico to Northern Argentina, along the Andies. Broadly conical, evergreen in mild climates, fast growth on moist sites. Lighter green broader leaves than A. Jorullensis. Hardwood timber used for furniture, construction, charcoal, pulp and good firewood.

Broadly conical, deciduous. Vigorous growth and good form. Habitat beside rivers and will grow in very wet places. Tolerates salt winds better than the other alders. Good firewood crop to utilise wet ground. Timber durable under water.