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""Molino Basin, Santa Catalina Mountains, Arizona, Sept 9, 2011"
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California, United States
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close up image of a blooming flower stalk of Ambrosia artemisiifolia elatior COMMON RAGWEED at the James Woodworth Prairie Preserve
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Sand City, California, United States
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March 6, 2010. Tucson Arizona. Near the mouth of Pima Canyon.
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California, United States
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California, United States
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Pima Canyon, Santa Catalina Mountains, Arizona, USA
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California, United States
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Molino Basin, Santa Catalina Mountains, Arizona, Sept 9, 2011
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close up image of foliage and stems of Ambrosia artemisiifolia elatior COMMON RAGWEED at the James Woodworth Prairie Preserve
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May 7, 2010. Tucson, Arizona
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California, United States
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Rotterdam, South Holland, Netherlands
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field image of top half of Ambrosia trifida GIANT RAGWEED in the James Woodworth Prairie Preserve
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Pima Canyon, Santa Catalina Mountains, Arizona, USA
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Molino Basin, Santa Catalina Mountains, Arizona, Sept 9, 2011
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close up image of a flower head, just prior to bloom, of Ambrosia artemisiifolia elatior COMMON RAGWEED at the James Woodworth Prairie Preserve