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Helianthus annuus L. (common sunflower), habit, habitat July 29 1967
Armstrong, Patricia K.
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Amaranthus hybridus L. (green amaranth), close-up of inflorescenceAugust 1969
Stickney, William S.
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Minuartia obtusiloba (Rydb.) House (alpine sandwort), close-up of flowersJuly 1969
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Arctostaphylos uva-ursi (L.) Spreng. (bearberry), leaves and fruitDecember 1969
Kohout, John