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Betula nana
Also called Arctic dwarf birch, Bog birch, Scrub birch, Swamp birch, Alpine Birch, Shrub Birch
Betula nana, the dwarf birch, is a species of birch in the flowering plant family Betulaceae, found mainly in the tundra of the Arctic region.
Betula nana is native to arctic and cool temperate regions of Greenland, Iceland, northern Europe, northern Asia and northern North America and it will grow in a variety of conditions. Outside of far northern areas, it is usually found growing only in mountains above 300 metres (980 ft), up to 835 metres (2,740 ft) in Great Britain and 2,200 metres (7,200 ft) in the Alps and Carpathians. Its northern range limit is on Svalbard, where it is confined to favourable sites. In the UK Betula nana is at its southern range limit, with many populations having declined significantly in recent decades. In southern Sweden the occurrence of Betula nana in Sund, Ydre is deemed a glacial relict.
Betula utilis subsp. albosinensis · Yellow birch · Himalayan birch · Betula austrosinensis · Betula celtiberica · Chichibu Birch · China birch · Hearleaf Birch · Korean Birch · Asian Black Birch · Erman's Birch · Japanese bog birch
Text excerpted from the Wikipedia article Betula nana by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
