Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and synopsis of Pontederia L. Author Pellegrini, Marco O. O. Author Horn, Charles N. Author Almeida, Rafael F. text PhytoKeys 2018 108 25 83 http://dx.doi.org/10.3897/phytokeys.108.27652 journal article http://dx.doi.org/10.3897/phytokeys.108.27652 1314-2003-108-25 613AFFC18E03FFDEFFA1DB2FFF88FFAE 1409868 2.2. Pontederia australasica (Ridl.) M.Pell. & C.N.Horn comb. nov. Monochoria australasica Ridl., J. Straits Branch Roy. Asiat. Soc. 79: 100. 1918. Lectotype (designated by Aston 1985 ). AUSTRALIA. Northern Territory near Darwin, fl., fr., 4 Feb 1914, C.E.F. Allen 81 (K barcode K000873495!; isolectotype: NSW barcode NSW686319!). Distribution. Restricted to northern Australia.