White Alder, California Alder
Alnus rhombifolia
Synonym: Alnus rhombifolia var. bernardina
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The photo above shows the leaves and cones of white alder as photographed along the upper Klickitat River about 7 miles southeast of Glenwood,WA.........May 26, 2008.The leaf tips vary from rounded to acute as seen in this photo.
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This photo at left shows the arrangement of the flowering parts of the branch tip of white alder several months before blooming. They typically bloom here in mid- to late winter. Photographed along the upper Klickitat River about 3 miles upstream of Washington Highway 142 along the old haul road..........November 28, 2020. The photos at center and right also shows the arrangement of the flowering parts of the branch tip of white alder as they begin blooming. Photographed along the upper Klickitat River about 3 miles upstream of Washington Highway 142 along the old haul road..........March 17, 2025.
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The photo at left shows the upper leaf surface of white alder. Photographed along the upper Klickitat River about 7 miles southeast of Glenwood,WA..........May 26, 2008. The image at right shows a cluster of female cones of white alder from the same location but on May 26, 2008.
Paul Slichter