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 US Minor Outlying Islands, U.S. Virgin Islands, Saint-Pierre Et Miquelon, Puerto Rico, The Contiguous United States, and Canada. They have achenes. Flowers are visited by Paragus haemorrhous, Heriades, Halictus ligatus, and sweat bees. Individuals can grow to 0.94 m.

show all records
  • 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
show all records

EOL has data for 13 attributes, including:

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