Browsing by year: collection:
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Asclepias incarnata L. (swamp milkweed), pods with stems and leavesAugust 29 1975
Porter, B.
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Asclepias syriaca (common milkweed), close-up of seeds with hairs dispersing from split follicleOctober 1975
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Asclepias syriaca (common milkweed), close-up of split follicle with seeds and attached hairsJuly 1975
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Baptisia bracteata var. leucophaea (Nutt.) Kartez & Gandhi (cream wild indigo), flowering stemsMay 1975
Lamp, Herbert F.
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Baptisia alba var. macrophylla (Larisey) Isley (white wild indigo), flower stalkJune 1975
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Berberis koreana Palib. (Korean barberry), berries hanging from stemsMarch 1975
Stickney, William S.
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Berberis koreana Palib. (Korean barberry), berries handing from leafless stemsMarch 17 1975
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Populus deltoides (eastern cottonwood), dispersed seeds and comaJune 1975
Kohout, John