[Alders: The Genus Alnus East of the Cascade Mountains of Oregon and Washington]

California Alder, White Alder

Alnus rhombifolia

Synonym: Alnus rhombifolia var. bernardina

Dorsal leaf surface of California Alder, White Alder: Alnus rhombifolia (Synonym: Alnus rhombifolia var. bernardina)

The photo above shows a close-up view of the upper leaf surface of white alder from the shoreline of the Deschutes River in the eastern Columbia River Gorge........September 1, 2007.

Female cones of California Alder, White Alder: Alnus rhombifolia (Synonym: Alnus rhombifolia var. bernardina)

The photo above shows a close-up view of the catkins of white alder as seen from the shoreline of the Deschutes River in the eastern Columbia River Gorge........September 1, 2007.

Male cones of California Alder, White Alder: Alnus rhombifolia (Synonym: Alnus rhombifolia var. bernardina)

The photo above shows a close-up view of the catkins of white alder as seen from the shoreline of the Deschutes River in the eastern Columbia River Gorge.......September 1, 2007.

Dorsal leaf surface of California Alder, White Alder: Alnus rhombifolia (Synonym: Alnus rhombifolia var. bernardina)

Another view of the upper leaf surface of white alder from the shoreline of the Deschutes River in the eastern Columbia River Gorge........September 1, 2007.
Paul Slichter