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Arisaema triphyllum (L.) Schott (Jack-in-the-pulpit), leaves, young
April 1968
Jirak, Jana R.
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Arisaema triphyllum (L.) Schott (Jack-in-the-pulpit), close-up of flower head
May 1965
Witt, Albert F.
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Argyroxiphium sandwicense subsp. macrocephalum (east Maui silversword), habitOctober 1964
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Argyroxiphium sandwicense subsp. macrocephalum (east Maui silversword), habitJuly 1964
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Arisaema triphyllum (L.) Schott (Jack-in-the-pulpit), fruit September 1964
Lamp, Herbert F.
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Aronia prunifolia (Marsh.) Rehd. (purple chokeberry), leaves and berriesOctober 1965
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Asclepias incarnata L. (swamp milkweed), umbels with flowers on stemsApril 1966
Scott, Marion
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Asclepias syriaca (common milkweed), close-up of single seed with attached hairsApril 1968
Jirak, Jana R.
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Asclepias sullivantii Engelm. ex Gray (Sullivant's milkweed), close-up of flowersJuly 1965
Purrington, Frank L.
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Asclepias tuberosa L. (butterfly weed), close-up of flowers on stem with leavesAugust 1969
Witt, Albert F.
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Symphyotrichum laeve ( L.) A. Löve & D. Löve (smooth blue aster), habit, habitat November 1966
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Symphyotrichum novae-angliae (L.) G.L. Nesom (New England aster), habitSeptember 1967
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Symphyotrichum novae-angliae (L.) G.L. Nesom (New England aster), habitSeptember 23 1967
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Symphyotrichum novae-angliae (L.) G.L. Nesom (New England aster), close-up of flowersOctober 1968