Tag Archives: Ageratina altissima

Know Your Natives – White Snakeroot

White snakeroot (Ageratina altissima*), formerly Eupatorium rugosum, of the Aster, Sunflower, or Composite (Asteraceae ) family has a multitude of small white flowerheads late in the growing season. It occurs from Texas to eastern North Dakota, across all states to … Continue reading

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