 Threatened species are listed under the "National Parks and Wildlife Act 1972" in South Australia.26 plant taxa are presumed extinct in South Australia, 2 of these are listed under the EPBC Act

Threatened species are listed under the "Nature Conservation Act 1992" and the "Nature Conservation (Wildlife) Regulation 2006" in Queensland, under this act some species are described as "presumed extinct".There are currently 27 species described as presumed extinct in Queensland, those not listed under the EPBC Act include