Dataset: All Collections
Taxa: Ambrosia trifida (Ambrosia trifida var. integrifolia), Ambrosia trifida var. texana (Ambrosia aptera, Ambrosia trifida var. aptera), Ambrosia trifida var. trifida (Ambrosia trifida var. integrifolia)
Search Criteria: Polygon search (not displayed); includes cultivated/captive occurrences