birch is a thin-leaved deciduous hardwood tree of the genus betula /ˈbɛtjʊlə/

2011 alders also are areas beechoak betula betulaceae birch birchtree boreal burch climates closely contains deciduous fagaceae family genus hardwood hazels hemisphere hornbeams includes iucn known list nature northern particularly pioneer rather red related shortlived silver species taxa temperate they thinleaved threatened tree trees typically which widespread