western birch

English Thesaurus

1. birch of western United States resembling the paper birch but having brownish bark (noun.plant)

hypernym	:	birch, birch tree,
definition	:	any betulaceous tree or shrub of the genus Betula having a thin peeling bark (noun.plant)

member meronym	:	betula, genus betula,
definition	:	a genus of trees of the family Betulaceae (such as birches) (noun.plant)