Cite this profile as: H.J. Hewson. Ammannia arnhemica, in P.G. Kodela (ed.), Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. https://profiles.ala.org.au/opus/foa/profile/Ammannia%20arnhemica [Date Accessed: 19 March 2025]