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A Close-up View of Common and Great Ragweed

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Scan day: 05 March 2014 UTC
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Description: Photographic study by Brian Johnston of Ambrosia artemisiifolia and Ambrosia trifida, with fine images of flowers, stems, leaves and fruits.
A Close-up View of "Common" and "Great" Ragweed A Close-up View of "Common" and Ambrosia artemisiifolia & Ambrosia trifida The ragweed plant is the source of much misery for "hay fever" sufferers during the months of August and September. This prolific generator of pollen however, goes unrecognized by many. Unlike other plants of the aster family, ragweed has extremely small flowers and the flowers point down, making them almost impossible to see!
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Page title:A Close-up View of "Common" and "Great" Ragweed
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Description:Ambrosia artemisiifolia & Ambrosia trifida
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