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Image of western snakeroot
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Western Snakeroot

Ageratina occidentalis (Hook.) R. King & H. Rob.

2010 Keir Morse   cc-by-nc-sa-3.0

Ageratina occidentalis (Western Snakeroot) is a species of perennial herb in the family Asteraceae. They have a self-supporting growth form. They are native to The Contiguous United States. They have simple, broad leaves and achenes.

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  • URI: http://purl.obolibrary.org/obo/PO_0030107
  • Definition: a fruit which develops from a carpel or gyneocium and at maturity comprises a dry exocarp, a dry mesocarp, and a dry endocarp that are connected to a seed coat by a funicle
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EOL has data for 14 attributes, including:

Known occurrences, collected specimens and observations of western snakeroot. View this species on GBIF