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Amaranthus retroflexus L. (redroot pigweed), close-up of inflorescence with leaves and stemMarch 1979
Kohout, Kitty
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Arabis perstellata var. shortii (Short's false rockcress), flowers on stemMarch 1979
Kohout, Kitty
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Arabis drummondii A. Gray (Drummond's rockcress), leaves and flowers on stemsMay 1983
Kohout, Kitty
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Arabis drummondii A. Gray (Drummond's rockcress), leaves and flowers on stemsMarch 1990
Kohout, Kitty
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Arabis perstellata var. shortii (Short's false rockcress), flowers and leaves on stemApril 1977
Kohout, Kitty
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Aralia elata (Miq.) Seem. (Japanese angelica tree), branches with leaves and flowersSeptember 1981
Kohout, Kitty
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Aralia elata (Miq.) Seem. (Japanese angelica tree), leaves on branchSeptember 1981
Kohout, Kitty
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Aralia elata (Miq.) Seem. (Japanese angelica tree), inflorescence September 1981
Kohout, Kitty
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Aralia elata (Miq.) Seem. (Japanese angelica tree), close-up of stem and budApril 1982
Kohout, Kitty
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Aralia nudicaulis L. (wild sarsparilla), flowers and leaves March 1979
Kohout, Kitty
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Aralia spinosa L. (devil’s walking stick, Angelica Tree, Hercules' Club, Prickly Ash, Prickly Elder) habitSeptember 1980
Kohout, Kitty
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Minuartia patula (Michx.) Mattf. (pitcher's stitchwort), habitMarch 1981
Kohout, Kitty
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Arenaria serpyllifolia (Thyme-leaved Sandwort), stem with leaves and budsMarch 1979
Kohout, Kitty
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Minuartia stricta (Sw.) Hiern (bog stitchwort), habit, flowersJanuary 1978
Kohout, Kitty
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Moehringia lateriflora (L.) Fenzl (bluntleaf sandwort), flower and leaves on stemMay 1981
Kohout, Kitty
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Moehringia lateriflora (L.) Fenzl (bluntleaf sandwort), flower, buds, and leaves January 1978
Kohout, Kitty
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Arctium minus (Hill) Bernh. (common burdock), burrs on stemAugust 1972
Kohout, Kitty
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Arctostaphylos uva-ursi (L.) Spreng. (bearberry), fruit and leavesMarch 1979
Kohout, Kitty
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Argemone polyanthemos (Fedde) G.B. Ownbey (prickly poppy), flowers on stemsMay 1973
Kohout, Kitty
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Arisaema triphyllum (L.) Schott (Jack-in-the-pulpit), flower heads
January 1978
Kohout, Kitty
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Arisaema triphyllum (L.) Schott (Jack-in-the-pulpit), inflorescenceMay 1986
Kohout, Kitty