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Populus deltoides (eastern cottonwood), male catkin in pollenMay 1962
Scott, Marion
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Populus deltoides (eastern cottonwood), male catkin, early springApril 1962
Scott, Marion
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Populus deltoides (eastern cottonwood), dangling female and male flowersApril 1978
Kohout, Kitty
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Populus deltoides (eastern cottonwood), catkin flower and budMay 1962
Scott, Marion
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Populus deltoides (eastern cottonwood), twig with female catkinsMay 1983
Kohout, Kitty
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Populus deltoides (eastern cottonwood), emerging catkins and budApril 16 1959
Scott, Marion
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Populus deltoides (eastern cottonwood), female catkin and budMay 1962
Scott, Marion
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Quercus rubra (northern red oak), emerging flowers and leaves detailApril 1978
Kohout, Kitty
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Populus deltoides (eastern cottonwood), emerging male catkins and budsMay 1983
Kohout, Kitty
Photographic image
Populus deltoides (eastern cottonwood), male catkins and budsApril 16 1959
Scott, Marion