white-topped aster

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Noun1.white-topped aster - herb having corymbose white-rayed flowers with scaly bracts and silky indehiscent fruits
flower - a plant cultivated for its blooms or blossoms
genus Sericocarpus, Sericocarpus - small genus of herbs of the eastern United States: white-topped asters
narrow-leaved white-topped aster - a variety of white-topped aster
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References in periodicals archive ?
The marshy site is home to the Willamette Valley daisy, which is on the federal endangered species list, as well as the shaggy horkelia and the white-topped aster, two species of federal concern, according to the DEQ.