photo: Cleveland Metroparks

European Alder (Alnus glutinosa)

Ohio DNR Division of Forestry
Ohio DNR Division of Forestry
Ohio DNR Division of Forestry
Ohio DNR Division of Forestry
Ohio DNR Division of Forestry

Form:

Deciduous tree, 50+ feet tall, wide variety of moisture and light conditions.

Leaves:

Opposite, 4 to 6 inches across, 5-7 lobes, juice milky, few large teeth.

Fruits & Seeds:

Late spring, green to tan, double samara with 2 widely spread "wings".

Similar Species:

Sugar Maple (Acer saccharum)

Tier 2 - Assess As Needed

The size and extent of these species populations are currently being inventoried with limited geographic information available. This survey will assist with identifying future control targets as populations are defined.

Action: The inventory of these plants is ongoing. The approximate number of plants should be recorded keeping in mind population sizes may be highly variable.

Distribution Map