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Mark Hyde, Bart Wursten and Petra Ballings   cc-by-nc

Conyza (Horseweed) is a genus of herb in the family Asteraceae. They are native to The Contiguous United States, U.S. Virgin Islands, US Minor Outlying Islands, Puerto Rico, Canada, and Saint-Pierre Et Miquelon. They have achenes. Flowers are visited by sweat bees. Individuals can grow to 0.94 m.

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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 12 attributes, including:

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