American herb having flat-topped clusters of small white flower heads; reputedly a cause of trembles and milk sickness; sometimes placed in genus Eupatorium. Synonyms: Eupatorium rugosum, white sanicle, white snakeroot.
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Words linked to "Ageratina altissima" : genus Ageratina, herb, white sanicle, Eupatorium rugosum, herbaceous plant, Ageratina |
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