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Ray Schulenberg Watering Seedlings in Greenhouse December 1973
Godshalk, Clarence E.
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Asclepias syriaca (common milkweed), close-up of dispersing seedNovember 1973
Lamp, Herbert F.
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Asclepias syriaca (common milkweed), close-up of follicles, open and closedNovember 1973
Lamp, Herbert F.
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Alliaria petiolata (Bieb.) Cavara & Grande (garlic-mustard), leaves
October 9 1973
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Athyrium thelypterioides (lady fern), close-up of underside of frond with sporesOctober 1973
Schrattenholzer, Friedrich
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Amorpha canescens Pursh (leadplant), close-up of woody stem with leaves and fruitOctober 1973
Stickney, William S.
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Schizachyrium scoparium (Michx.) Nash (little bluestem), close-up of seedheadsOctober 1973
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Amorpha fruticosa L. (indigo-bush), leaves and stemsOctober 1973
Stickney, William S.
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Aralia elata (Miq.) Seem. (Japanese angelica tree), bark, branchOctober 1973
Schrattenholzer, Friedrich
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Aesculus parviflora Walt. (bottlebrush buckeye), leaves, upper surfaceOctober 1973
Kohout, Kitty