Ragweed (Ambrosia artemisiifolia) can be a real pest, spoiling your pristine lawn and potentially provoking significant allergic reactions. It can be eradicated from your yard, though, with a ...
Johns Hopkins graduate students Mike Martin and Marcelo Chamecki used high-tech and low-tech equipment to study the spread of ragweed pollen in this 18- acre field near Washington, D.C. Disclaimer ...
Goldenrod (Solidago spp.), a gorgeous North American native, has long been unfairly blamed for allergies and hay fever due to its similarity to another, far more allergenic native plant.
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