Browsing by Subject/Keyword: decade:
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Quercus alba (white oak) and Quercus macrocarpa (bur oak), acorns detailDecember 1972
Reynolds, P. J.
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Quercus rubra (northern red oak), immature acorn cups detailDecember 1972
Reynolds, P. J.
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Quercus robur (English oak), leaves and acorns detailAugust 1973
Stickney, William S.