Eulalia aurea is a grass (in the Poaceae family). It was first described as Andropogon aureum in 1804 by Bory de Saint-Vincent but was transferred to the genus, Eulalia, in 1830 by Kunth.
The Walmajarri people of the southern Kimberley call it "Water grass" and .
It is found in southern Africa, Madagascar, Southeast Asia, and Australia. Within Australia, it is found in all mainland states and territories.