Browsing by year: collection:
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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
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Callitropsis nootkatensis (Alaska-cedar), cone, matureSeptember 12 1972
Coulter, Ronald M.
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Callitropsis nootkatensis (Alaska-cedar), habit, summerJuly 7 1972
Coulter, Ronald M.
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Asclepias tuberosa (Butterfly Milkweed), bud, flowerJuly 1 1972
Hedborn Jr., Edward A.