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Apocynum androsaemifolium L. (spreading dogbane), close-up of flowers with leavesHarcourt, R. M.
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Arisaema triphyllum (L.) Schott (Jack-in-the-pulpit), close-up of flowerhead Harcourt, R. M.
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Asclepias syriaca (common milkweed), close-up of umbels with flowers and budsHarcourt, R. M.
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Asclepias tuberosa L. (butterfly weed), close-up of umbel with flowers and budsHarcourt, R. M.
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Asclepias verticillata L. (whorled milkweed), close-up of flower umbelHarcourt, R. M.
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Baptisia alba var. macrophylla (Larisey) Isley (white wild indigo), flower budsHarcourt, R. M.
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Baptisia alba var. macrophylla (Larisey) Isley (white wild indigo), flowers
Harcourt, R. M.
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Bidens coronata (L.) Britton (crowned beggarticks) three flowers on plantHarcourt, R. M.
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Moehringia lateriflora (L.) Fenzl (bluntleaf sandwort), flowers and leaves on stemHarcourt, R. M.
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Symphyotrichum boreale ( Torr. & A. Gray) A. Löve & D. Löve (Northern bog aster), habitHarcourt, R. M.