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Acer platanoides (Norway maple), bud
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Populus deltoides (eastern cottonwood), twig with female catkinsMay 1983
Kohout, Kitty
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Acer rubrum (red maple), twigs and flowers, springApril 1971
Kohout, John, Kohout, Kitty
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Populus deltoides (eastern cottonwood), bare twigs and branchesNovember 1968
Coulter, Ronald M.
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Populus deltoides (eastern cottonwood), bark and bud detailApril 1978
Kohout, Kitty