Assertion: gray birch | /r/HasProperty | betula populifolia
Facets:
Source sentences:
text: Gray Birch (Betula populifolia)
text: Gray Birch (Betula populifolia)
text: Gray Birch (Betula populifolia) and the Virginia Roundleaf Birch (Betula uber) which is endangered.
text: Gray Birch (Betula Populifolia)