 ageratina_altissima |
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| 1. | [ noun ] (botany) 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: | white_sanicle Eupatorium_rugosum white_snakeroot | |
| Related terms: | herb Ageratina | |
