Datura leichhardtii
 Datura leichhardtii is a species of thorn apple. In 1844 Ludwig Leichhardt is said to have discovered this species in Australia. Ferdinand von Mueller gave it the name Datura leichhardtii when he published his first description of it in 1855.The natural habitat of this species covered an area from Mexico to Guatemala. It was taken to Australia where today is widespread in Queensland and New South Wales.