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Arnoglossum atriplicifolium (L.) H.Rob. (pale Indian-plantain), buds, stem, leavesKohout, Kitty
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Aralia spinosa L. (devil’s walking stick), close-up of inflorescence
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Anaphalis margaritacea (L.) Benth. & Hook.f. (pearly everlasting), close-up of flower headScott, Marion
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Quercus alba (white oak), bud detail
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Calla palustris L. (water arum), flower and leaves
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Actaea pachypoda Elliott (white baneberry), habit
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Juglans nigra (black walnut), twig
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Anemone canadensis L., (Canada anemone), flowers with stem and leavesKohout, Kitty
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Arisaema dracontium (green dragon), spathe and spadix
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Aster L. (aster), flowers on stems
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Magnolia (magnolia), bud
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Amelanchier laevis Wiegand (Allegheny serviceberry), close-up of fruit, cross-section of fruit and seedsKohout, Kitty
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Asclepias syriaca (common milkweed), close-up of split follicle with seeds dispersingKohout, John
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Acer rubrum (red maple), habit
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Asclepias tuberosa L. (butterfly weed), habit, flowers
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Calceolaria crenatiflora Cav. (pouch flower), close-up of flower
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Betula pendula Roth (European white birch), bark on trunk
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Acer pensylvanicum (striped maple), twig and bud
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Abies balsamea (L.) Mill. (balsam fir), cone
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Acer platanoides ‘Pond’ (Emerald Lustre Norway maple), leaves showing fall colorBachtell, Kris
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Asclepias incarnata L. (swamp milkweed), umbels with flowers on stems
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Betula nigra L. (river birch), bark on trunk and branches
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Quercus bicolor (swamp white oak), bare trees in flooded woodland
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Acaena microphylla Hook. f. (red mountain bidi-bidi) and Mazus reptans N. E. Br. (creeping mazus), habitMehaffey, Scott A.
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Bidens coronata (L.) Britton (crowned beggarticks) three flowers on plantHarcourt, R. M.
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Quercus alba (white oak), habit, winter
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Calamagrostis canadensis (Michx.) P. Beauv. (blue joint grass), habit