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Aristida purpurascens Poir. (arrowfeather threeawn), leavesMarch 1979
Kohout, Kitty
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Arisaema dracontium (L.) Schott (green dragon), close-up of fruitOctober 1983
Kohout, Kitty
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Armoracia rusticana P.G. Gaertn., B. Mey. & Scherb. (horseradish), leaves, stems, flowersMay 1981
Kohout, Kitty
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Aronia arbutifolia (L.) Pers. (red chokeberry), flowers and leaves on stemMay 1982
Kohout, Kitty
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Aronia arbutifolia (L.) Pers. (red chokeberry), flowers, buds, and leavesMay 1982
Kohout, Kitty
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Aronia arbutifolia (L.) Pers. (red chokeberry), leaves and berries on stemOctober 1982
Kohout, Kitty
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Aronia melanocarpa (Michx.) Elliott (black chokeberry), habitMay 1982
Kohout, Kitty
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Aronia melanocarpa (Michx.) Elliott (black chokeberry), leavesOctober 1978
Kohout, Kitty
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Aronia melanocarpa (Michx.) Elliott (black chokeberry), leaves and berriesOctober 1984
Kohout, Kitty
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Aronia melanocarpa ‘Autumn Magic’ Autumn Magic black chokeberry, leaves and flowersMay 1982
Kohout, Kitty
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Aronia melanocarpa ‘Autumn Magic’ Autumn Magic black chokeberry, leaves and flowers May 1982
Kohout, Kitty
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Aronia melanocarpa (Michx.) Elliott (black chokeberry), leaves on twigsApril 1978
Kohout, Kitty
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Aronia prunifolia (Marsh.) Rehd. (purple chokeberry), branchesJune 1983
Kohout, Kitty
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Aronia prunifolia (Marsh.) Rehd. (purple chokeberry), flowers on stemJune 1983
Kohout, Kitty
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Aronia prunifolia (Marsh.) Rehd. (purple chokeberry), flowers and leaves on branch May 1982
Kohout, Kitty
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Aronia prunifolia (Marsh.) Rehd. (purple chokeberry), leavesSeptember 1982
Kohout, Kitty
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Asclepias hirtella (Pennell) Woodson (tall green milkweed), flowersMarch 1979
Kohout, Kitty
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Asclepias hirtella (Pennell) Woodson (tall green milkweed), flowers and flower budsAugust 1972
Kohout, Kitty
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Asclepias incarnata L. (swamp milkweed), flowers and leavesAugust 1971
Kohout, Kitty
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Asclepias incarnata L. (swamp milkweed), flowers and leavesMarch 1979
Kohout, Kitty
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Carpinus caroliniana subsp. virginiana (American Hornbeam), flower, staminate, pistillate1979
Kohout, Kitty
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Asclepias meadii Torr. ex Gray (Mead's milkweed), flower headMarch 1979
Kohout, Kitty
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Asclepias purpurascens L. (purple milkweed), flowers and leavesJuly 1982
Kohout, Kitty
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Asclepias syriaca (common milkweed), close-up of split follicle with seeds and attached hairsKohout, Kitty
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Asclepias sullivantii Engelm. ex Gray (Sullivant's milkweed), flowers and leavesMarch 1979
Kohout, Kitty