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Viburnum opulus var. americanum Aiton (American cranberry-bush), flowers and inflorescence May 15 2007
Kannegiesser, Hart
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Trillium grandiflorum (Michx.) Salisb. (great white trillium), habitMay 4 2007
Kannegiesser, Hart
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Japanese Maple in red fall color, behind large oak treeNovember 9 2007
Kannegiesser, Hart
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Sean Hoban taking samples from the canopy of the IUCN Red List Endangered species butternut (Juglans cinerea)February 26 2007
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Typha latifolia (Broad-leaved Cat-tail), infructescenceJuly 20 2007
Brown, Deborah J. G.
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Triosteum aurantiacum (Early Horse-gentian), habit, fallSeptember 15 2007
Hedborn Jr., Edward A.
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Triosteum aurantiacum (Early Horse-gentian), habit, fallSeptember 15 2007
Brown, Deborah J. G.
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Trillium recurvatum (Red Trillium), leaf, upper surfaceApril 24 2007
Hedborn Jr., Edward A.
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Tragopogon dubius (Yellow Salsify), infructescenceJuly 30 2007
Brown, Deborah J. G.
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Tragopogon dubius (Yellow Salsify), infructescenceJuly 21 2007
Brown, Deborah J. G.
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Tradescantia ohiensis (Common Spiderwort), inflorescenceMay 31 2007
Hedborn Jr., Edward A.
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Tradescantia ohiensis (Common Spiderwort), inflorescenceJuly 21 2007
Hedborn Jr., Edward A.
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Tradescantia ohiensis (Common Spiderwort), habit, springMay 31 2007
Hedborn Jr., Edward A.
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Toxicodendron radicans (Poison-ivy), leaf, summerSeptember 15 2007
Brown, Deborah J. G.
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Toxicodendron radicans (Poison-ivy), habit, fallSeptember 15 2007
Brown, Deborah J. G.
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Toxicodendron radicans (Poison-ivy), bud, terminal, bud, lateralMarch 10 2007
Hedborn Jr., Edward A.
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Toxicodendron radicans (Poison-ivy), aerial rootletsMarch 10 2007
Hedborn Jr., Edward A.