Sitka Alder (Alnus alnobetula sinuata, german: Grün-Erle). (1.7M)
Here are the pictures of Green Alder (Alnus alnobetula) with links to the pages on which they appear, links to the full sized picture, and the description of the picture with links to the entry in iNaturalist (inaturalist.org)
All pictures are © Dr. Günther Eichhorn, unless otherwise noted.
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