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Welwitschia mirabilis (Welwitschia), leaf, upper surfaceOctober 12 2013
Hedborn Jr., Edward A.
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Welwitschia mirabilis (Welwitschia), habit, summerOctober 12 2013
Hedborn Jr., Edward A.
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Tsuga sieboldii (Southern Japanese Hemlock), leaf, newMay 25 2016
Brown, Deborah J. G.
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Tsuga sieboldii (Southern Japanese Hemlock), leaf, newMay 25 2016
Brown, Deborah J. G.
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Tsuga sieboldii (Southern Japanese Hemlock), leaf, newMay 25 2016
Brown, Deborah J. G.
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Tsuga sieboldii (Southern Japanese Hemlock), bark, twigMay 25 2016
Brown, Deborah J. G.
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Tsuga diversifolia (Northern Japanese Hemlock), leaf, winterJanuary 6 2009
Hedborn Jr., Edward A.
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Tsuga diversifolia (Northern Japanese Hemlock), leaf, matureJanuary 6 2009
Hedborn Jr., Edward A.
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Tsuga diversifolia (Northern Japanese Hemlock), leaf, matureJanuary 6 2009
Hedborn Jr., Edward A.
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Tsuga diversifolia (Northern Japanese Hemlock), leaf, matureJanuary 6 2009
Hedborn Jr., Edward A.
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Tsuga diversifolia (Northern Japanese Hemlock), habit, winterJanuary 6 2009
Hedborn Jr., Edward A.
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Tsuga diversifolia (Northern Japanese Hemlock), cone, matureJanuary 6 2009
Hedborn Jr., Edward A.
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Tsuga chinensis (Chinese Hemlock), habit, fallOctober 19 2010
Hedborn Jr., Edward A.
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Tsuga chinensis (Chinese Hemlock), habit, fallOctober 19 2010
Hedborn Jr., Edward A.
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Tsuga caroliniana (Carolina Hemlock), cone, immatureJuly 18 2002
Hedborn Jr., Edward A.
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Tsuga caroliniana (Carolina Hemlock), bark, branch, budsMay 1 1998
Hedborn Jr., Edward A.
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Tsuga canadensis (Eastern Hemlock), bark, twigNovember 24 2002
Hedborn Jr., Edward A.
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Tsuga canadensis (Eastern Hemlock), bark, trunkNovember 23 2002
Hedborn Jr., Edward A.
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Tsuga canadensis (Eastern Hemlock), bark, branchNovember 24 2002
Hedborn Jr., Edward A.
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Tsuga canadensis (Eastern Hemlock), bark, branchApril 16 1998
Hedborn Jr., Edward A.
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Tsuga canadensis, bark, branch (Eastern Hemlock), cone, matureApril 16 1998
Hedborn Jr., Edward A.