. "birch of swamps and river bottoms throughout the eastern United States having reddish-brown bark"@en-us . "108587240"@en-us . . . . . . . . . . . "112282933"^^ . . . . . "river birch"@en-us . "red birch"@en-us . "0"^^ . . . "12282933-n"^^ . "Betula nigra"@en-us . . . "0"^^ . "111534732"@en-us . . . . . . "black birch"^^ . . "black birch"@en-us .