Search results for termid:"buds_flower" (11 object Results)Browsing by year:
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Asclepias purpurascens L. (purple milkweed), close-up of flowers and budsJuly 1973
Lamp, Herbert F.
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Asclepias purpurascens L. (purple milkweed), flowers, buds, leafJuly 1973
Lamp, Herbert F.
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Asclepias quadrifolia Jacq. (fourleaf milkweed), close-up of flowers and budsJuly 1973
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Asclepias sullivantii Engelm. ex Gray (Sullivant's milkweed), close-up of umbels with flowers and flower budsJuly 1973
Lamp, Herbert F.
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Asclepias verticillata L. (whorled milkweed), close-up of umbels with flowers and flower budsJuly 1973
Lamp, Herbert F.
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Asclepias viridiflora Raf. (green milkweed), close-up of umbel with flowersJuly 1973
Lamp, Herbert F.