Betula alleghaniensis, Node. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Corylus avellana, nuts (placed by some in Betulaceae). Family Corylaceae, Subclass Hamamelidae. Orig...
Betula occidentalis, branch. Family Betulaceae, Subclass Hamamelidae. Origin: Native
Betula populifolia, Inflorescence. Family Betulaceae, Subclass Hamamelidae. Origin: Native
Betula alleghaniensis, bark, close. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Betula alleghaniensis, branch with pistillate catkins. Family Betulaceae, Subclass Hamamelidae. Orig...
Betula alleghaniensis, branch with staminate (brown) and pistillate catkins. Family Betulaceae, Subc...
Betula alleghaniensis, branch with staminate and pistillate catkins. Family Betulaceae, Subclass Ham...
Betula alleghaniensis, Pistillate inflorescence. Family Betulaceae, Subclass Hamamelidae. Origin: Cu...
Betula alleghaniensis, branch with staminate and pistillate catkins (green). Family Betulaceae, Subc...
Betula alleghaniensis, branch with staminate (brown) and pistillate catkins. Family Betulaceae, Subc...
Betula papyrifera, Leaf. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Betula papyrifera, Population under cultivation. Family Betulaceae, Subclass Hamamelidae. Origin: Cu...
Betula papyrifera, Leaf, catkin. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Betula papyrifera, Catkins. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Betula papyrifera, Stem, bark. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Corylus avellana, nuts (placed by some in Betulaceae). Family Corylaceae, Subclass Hamamelidae. Orig...
Betula occidentalis, branch. Family Betulaceae, Subclass Hamamelidae. Origin: Native
Betula populifolia, Inflorescence. Family Betulaceae, Subclass Hamamelidae. Origin: Native
Betula alleghaniensis, bark, close. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Betula alleghaniensis, branch with pistillate catkins. Family Betulaceae, Subclass Hamamelidae. Orig...
Betula alleghaniensis, branch with staminate (brown) and pistillate catkins. Family Betulaceae, Subc...
Betula alleghaniensis, branch with staminate and pistillate catkins. Family Betulaceae, Subclass Ham...
Betula alleghaniensis, Pistillate inflorescence. Family Betulaceae, Subclass Hamamelidae. Origin: Cu...
Betula alleghaniensis, branch with staminate and pistillate catkins (green). Family Betulaceae, Subc...
Betula alleghaniensis, branch with staminate (brown) and pistillate catkins. Family Betulaceae, Subc...
Betula papyrifera, Leaf. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Betula papyrifera, Population under cultivation. Family Betulaceae, Subclass Hamamelidae. Origin: Cu...
Betula papyrifera, Leaf, catkin. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Betula papyrifera, Catkins. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Betula papyrifera, Stem, bark. Family Betulaceae, Subclass Hamamelidae. Origin: Cultivated
Corylus avellana, nuts (placed by some in Betulaceae). Family Corylaceae, Subclass Hamamelidae. Orig...
Betula occidentalis, branch. Family Betulaceae, Subclass Hamamelidae. Origin: Native
Betula populifolia, Inflorescence. Family Betulaceae, Subclass Hamamelidae. Origin: Native