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Passiflora incarnata (purple passionflower), flower, fullJuly 1974
Hedborn Jr., Edward A.
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Passiflora incarnata (purple passionflower), flower, fullJuly 1974
Hedborn Jr., Edward A.
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Betula populifolia Marsh. (gray birch), male catkin with emerging leavesMay 1974
Kohout, Kitty
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Betula papyrifera Marsh. (paper birch), catkin and buds on twig April 1974
Kohout, Kitty
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Barbarea vulgaris W.T.Aiton (yellowrocket), flowering plant
April 1974
Kohout, Kitty
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Baptisia alba var. macrophylla (Larisey) Isley (white wild indigo), seed podsSeptember 1974
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Baptisia bracteata var. leucophaea (Nutt.) Kartez & Gandhi (cream wild indigo), flowers and leavesAugust 1974
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Baptisia alba var. macrophylla (Larisey) Isley (white wild indigo), fruitsJuly 1974
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Symphyotrichum drummondii, var. drummondii (Drummond's aster), flowering habitAugust 1974
Stickney, William S.
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Symphyotrichum shortii (Lindl.) G.L. Nesom (short's aster), stem with branching flower stalksSeptember 1974
Kohout, Kitty
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Symphyotrichum novae-angliae (L.) G.L. Nesom (New England aster), close-up of flowers and budsSeptember 1974
Kohout, Kitty
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Symphyotrichum drummondii var. drummondii (Drummond's aster), flowersSeptember 1974
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Asimina triloba (L.) Dunal (pawpaw), flowers on stem with new foliageMay 1974
Kohout, Kitty
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Asclepias tuberosa L. (butterfly weed), close-up of flowers and budsJune 1974
Skupien, L.
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Asclepias tuberosa L. (butterfly weed), close-up of flowers and budsJune 1974
Skupien, L.
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Asclepias syriaca (common milkweed), close-up of split follicle with dispersing seeds with hairs attachedOctober 1974
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Asclepias hirtella (Pennell) Woodson (tall green milkweed), flowers and leaves on stemMarch 1974
Halama, Jeanne
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Asclepias curassavica L. (blood flower milkweed), flower with stem and leavesDecember 24 1974
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Asarum canadense L. (wild-ginger), pair of leaves with flower at baseMay 1974
Schrattenholzer, Friedrich
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Armeria maritima (Mill.) Willd. ssp. sibirica (Turcz. ex Boiss.) Nyman (Siberian sea thrift), stems and flowers
September 1974