Photo: Betula nana 4.
Branch. Oulu bot.g., Finland. Planted. 2005-08-31.
Betula nana L.
Engl.: dwarf birch, smooth dwarf birch, alpine birch, Arctic dwarf birch, bog birch, scrub birch.
Deu.: Zwerg-Birke.
Suom.: vaivaiskoivu.
Sven.: dvärgbjörk, fredagsbjörk.
Fran.: bouleau nain.
Bot. syn.: Betula exilis Sukatschev, Betula glandulosa Michx., Betula michauxii Sarg., Betula terrae-novae Fern.