Poaceae Barnhart
Panicum rhignon Steud. , legitimate, scientific
Steudel, E.G. von (1854), Synopsis Plantarum Glumacearum 1(2): 95 BHL [tax. nov.]
taxonomic synonym: Isachne rigida Steud. nom. inval., pro syn.
Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 291 [taxonomic synonym]
taxonomic synonym of: Isachne rigida Steud. nom. inval., pro syn.