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Acer saccharum (sugar maple), bark
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Quercus rubra (northern red oak), tree trunk and barkNovember 1968
Coulter, Ronald M.
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Quercus oglethorpensis Duncan (Oglethorpe's oak), trunk and branchOctober 15 2017
Lobdell, Matt
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Platanus occidentalis (sycamore), bare tree trunk and branchesJanuary 1985
Kohout, John
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Populus deltoides (eastern cottonwood), young trunk and branchesSeptember 1969
Stickney, William S.
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Betula alleghaniensis Britton (yellow birch), bark, trunk2005 – 2012
Hagstrom, John
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Cryptomeria japonica (L. f.) D. Don (Japanese-cedar), bark2005 – 2012
Hagstrom, John
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Abies firma sp. (Momi fir), trunk, root flare
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Platanus occidentalis (sycamore), shedding bark on trunks and branchesAugust 1973
Stickney, William S.
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Platanus occidentalis (sycamore), trunks, branches, and autumn leavesNovember 1968
Coulter, Ronald M.
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Acer saccharum (sugar maple), tree trunks
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Betula alleghaniensis Britton (yellow birch) bark, trunks 2005 – 2012
Hagstrom, John
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Populus deltoides (eastern cottonwood), tree trunks showing growth ringsMarch 1976
Stickney, William S.
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Platanus occidentalis (sycamore), two tall bare treesApril 1972
Kohout, John, Kohout, Kitty
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Euonymus bungeanus Maxim. (Manchurian spindle tree), trunks, tree form2005 – 2012
Hagstrom, John
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Platanus occidentalis (sycamore), bare trees near creekNovember 23 2002
Hedborn Jr., Edward A.
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Acer pensylvanicum (striped maple), trunk and branches with leavesMay 20 1984
Kohout, John
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Quercus rubra (northern red oak), tree trunk and barkNovember 1968
Coulter, Ronald M.
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Alnus glutinosa (L.) Gaertn. (European black alder), trunk, bark2005 – 2012
Hagstrom, John
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Alnus glutinosa (L.) Gaertn. (European black alder), bark, trunk2005 – 2012
Hagstrom, John