Betula

• yellow birch

  Tree of eastern North America with thin lustrous yellow or grey bark.

• American white birch

  Small American birch with peeling white bark often worked into e.g. baskets...

• grey birch

  Medium-sized birch of eastern North America having white or pale grey bark and valueless...

• silver birch

  European birch with silvery white peeling bark and markedly drooping branches.

• downy birch

  European birch with dull white to pale brown bark and somewhat drooping hairy branc...

• black birch

  Birch of swamps and river bottoms throughout the eastern United States having reddish-brown...

• black birch

  Common birch of the eastern United States having spicy brown bark yielding a volatile...

• Yukon white birch

  Alaskan birch with white to pale brown bark.

• swamp birch

  Birch of western United States resembling the paper birch but having brownish bark.

• Newfoundland dwarf birch

  Small shrub of colder parts of North America and Greenland.

Also contains

• birch

  Hard close-grained wood of any of various birch trees; used especially in furniture and interior...