Which type of tree form the Genus Betula?
Birch tree Chamaebetula Birchs Betulaster Betula species Apterocaryon Birches BIRCH TREES Birch Tree Birch trees Birch Betula
birches birch birchs birch tree birch trees chamaebetula apterocaryon betula species betula betulaster
birch trees
WikipediaEntity
BIRCH TREES