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Scanning Electron Microscope (SEM) research, male flowers of (L) Acer pennsylvanicum and (R) Rhus aromaticaCrowley Jr., Webster R.
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Quercus velutina (black oak), emerging catkins and leaves detailDecember 1972
Reynolds, P. J.
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Quercus rubra (northern red oak), emerging catkins and leaves detailDecember 1972
Reynolds, P. J.
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Acer saccharinum (silver maple), female flowers, spring
April 1977
Stickney, William S.
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Corylus americana (American Hazelnut), flower, staminate, pistillateMarch 31 2003
Hedborn Jr., Edward A.
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Corylus americana (American Hazelnut), flower, staminateMarch 31 2003
Hedborn Jr., Edward A.
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Corylus americana (American Hazelnut), flower, staminateMarch 22 2007
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Corylus americana (American Hazelnut), flower, staminateMarch 22 2007
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Alnus incana subsp. rugosa (Speckled Alder), flower, staminateAugust 1 2007
Hedborn Jr., Edward A.
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Acer saccharinum (Silver Maple), flower, staminateApril 19 2008
Brown, Deborah J. G.
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Acer saccharinum (Silver Maple), flower, staminateApril 19 2008
Brown, Deborah J. G.
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Acer saccharinum (Silver Maple), flower, staminateApril 19 2008
Hedborn Jr., Edward A.