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Baptisia alba var. macrophylla (Larisey) Isley (white wild indigo), flowersJune 2 1972
Lamp, Herbert F.
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Mahonia nervosa (Pursh) Nutt. (Cascades grape-holly), several branches with compound leavesSeptember 11 1972
Coulter, Ronald M.
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Betula populifolia Marsh. (gray birch), male and female catkins (female catkins are upright), leaves with gallsMay 21 1972
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Bidens cernua L. (nodding beggartick) several yellow flowers September 1972
Kohout, Kitty
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Celtis occidentalis (Hackberry), flower, pistillate, flower, staminate1972
Kohout, Kitty
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Celtis occidentalis (Hackberry), leaf, lower surface, fruit, immature1972
Kohout, Kitty
Article
Sugar Maple, Acer saccharum: Maple Family (Aceraceae)June 21 – September 20 1972
Tyznik, Anthony
Article
American Linden, Tilia Americana: Linden Family (Tiliaceae)September 21 – December 20 1972
Tyznik, Anthony
Article
A Taste of Wilderness: Arboretum Teens Explore the ManisteeDecember 21 1972 – March 20 1973
Armstrong, Patricia K.