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common ragweed

   Also found in: Wikipedia 0.04 sec.
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Noun1.common ragweedcommon ragweed - annual weed with finely divided foliage and spikes of green flowers; common in North America; introduced elsewhere accidentally
Ambrosia artemisiifolia
ambrosia, bitterweed, ragweed - any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma


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2] and pollen production of common ragweed (Ambrosia artemisiifolia), a known allergy-inducing species: implications for public health.
How exposure to environmental tobacco smoke, outdoor air pollutants, ... by Rogers, Christine A. / Environmental Health Perspectives
In 2004, University of Missouri scientist Reid Smeda confirmed the first glyhposate-resistant summer annual-a common ragweed biotype.
Glyphosate Resistant Weeds by Burchett, Andrew / Farm Journal
In 2004, University of Missouri scientist Reid Smeda confirmed the first glyphosate-resistant summer annual-a common ragweed biotype.
Glyphosate Resistant Weeds On the Move by Burchett, Andrew / Farm Journal
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