This is the page featuring a single species. Photographs are presented per individual to make it possible to asses how much variation is possible between individuals within the species.
All photographs ofJapaneseXCaukasian alser or Alnus speathii .
For determination details go to the main-key and the all species page.
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Winter photo's of bark and buds, if available.
Black alder Alnus glutinosa Common alder; European alder; VERSUS
Japanese X Caucasian alder Alnus speathii Alnus speathii
Black alder has grey/black buds and the Japanese X Caucasian has small green buds.
Spring photo's, if available.
