Assertion: river birch | /r/HasProperty | american native tree
Facets:
Source sentences:
text: The River Birch (Betula nigra) is an American native tree that grows naturally throughout the east, from New Jersey to Georgia and from Texas to Nebraska.
text: River birch, a North American native tree, lives an average of 30 to 50 years.
text: The River Birch (Betula nigra) is an American native tree growing throughout the east, from New Jersey to Georgia and from Texas to Nebraska.