|Scientific name:||Ambrosia artemisiifolia L.|
Native of North America, most prevalent in eastern and north central States. First recorded as naturalised at Murwillumbah, NSW. Now common along north coast of NSW. Primarily plant of disturbed open areas, occurs as weed of cultivated lands, stubble fields, old pastures, wastelands, roadsides, railway reserves and vacant lots (Parsons & Cuthbertson 2001).