Yarrow, it's called, this flowering plant also known as "little feather" for the shape of its leaves. Prized as a garden plant that repels unwanted insects while attracting beneficial ones, it also improves soil quality and is used in many herbal medicines.
Now yarrow--and 12 other grassland species, including Indian grass, thimbleweed and wild lupine--may have a larger role, scientists have found: as players in Earth's changing climate.
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Provided by National Science Foundation
