American Elm, Ulmus americana , Michigan
American Beech Bark Fagus grandifolia with Lichens , Michigan
White Birch Bark Betula papyrifera, Michigan
Sugar Maple Bark Acer saccarum , Michigan
Red Pine Bark Pinus resinosa , Michigan
Sugar Maple Sap-Icicle I Acer saccharum , Michigan
Sugar Maple Sap-Icicle II Acer saccharum , Michigan
White (Paper) Birch bark Betula papyrifera Michigan
Balsam Poplar bark Populus balsamifera Michigan
Red Pine bark Pinus resinosa Michigan
Jack Pine bark Pinus banksiana Michigan
White Pine bark Pinus strobus Michigan
Sugar Maple bark Acer saccharum Michigan
Sugar Maple burl Acer saccharum Michigan
White (Paper) Birch bark Betula papyrifera II Michigan
Red Pine bark Pinus resinosa Michigan
Red Pine bark Pinus resinosa Michigan
American Beech Bark Fagus grandifolia with Leaf Shadows , Michigan
Striped Maple Bark Acer pensylvanicum Michigan
Quaking Aspen bark Populus tremuloides Michigan
Balsam Fir bark Abies balsamea Ontario
Balsam Fir bark Abies balsamea Ontario
Red Pine with Hawthorn species Pinus resinosa and Crataegus sp. Illinois