Ragweed Allergies | Seasonal Science | UNC-TV

Описание: Everyone loves fall weather, right? Well those of us with fall allergies have a different opinion. The culprit: ragweed. But what is it? And why does it make your eyes and nose itch so much? Seasonal Science explains ...

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UNC-TV Digital Media Director: David Huppert
Science Advisor: Bill Johnson, Purdue University

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Patrick J. Alexander, hosted by the USDA-NRCS PLANTS Database

USDA-NRCS PLANTS Database / USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service.

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