Smrozak: Betula nigra (River birch) on the Birch Route
Smrozak: Betula nigra (River birch) 251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*A
Smrozak: Betula nigra (River birch) 1199*J
Smrozak: Betula nigra (River birch) 1199*D
Smrozak: Betula nigra (River birch) 1251-79*A
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: 1251-79*B River Birch
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Birch Hill: 1251-79*E, 12843*A, 12843*D
Smrozak: 1199*J River birch
Smrozak: Betula nigra (River birch) and B. alleghaniensis (Yellow birch)
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) and Betula alleghaniensis (Yellow birch)
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B
Smrozak: Betula nigra (River birch) 1251-79*B