Subgenera of genus Betula (birch), are; Bark on twigs rich in methyl salicylate (oil of wintergreen). Female catkins erect. Diploid (2n = 28). Betula lenta...

Betula pendula, commonly known as silver birch, warty birch, European white birch, or East Asian white birch, is a species of tree in the family Betulaceae...

Betula nana, the dwarf birch, is a species of birch in the family Betulaceae, found mainly in the tundra of the Arctic region. It is a monoecious, deciduous...

Betula lenta (sweet birch, also known as black birch, cherry birch, mahogany birch, or spice birch) is a species of birch native to eastern North America...

Betula papyrifera (paper birch, also known as (American) white birch and canoe birch) is a short-lived species of birch native to northern North America...

Betula nigra, the black birch, river birch or water birch, is a species of birch native to the Eastern United States from New Hampshire west to southern...

Betula pubescens (syn. Betula alba), commonly known as downy birch and also as moor birch, white birch, European white birch or hairy birch, is a species...

Betula alleghaniensis, the yellow birch, golden birch, or swamp birch, is a large tree and an important lumber species of birch native to northeastern...

Betula contains 30 to 60 known taxa of which 11 are on the IUCN 2011 Red List of Threatened Species. They are typically short-lived pioneer species and...

black. Shaw, K., Roy , S. & Wilson (2014). "Betula utilis. The IUCN Red List of Threatened Species". IUCN Red List. doi:10.2305/IUCN.UK.2014-3.RLTS.T194535A2346136...