The genus Halothamnus was first described in 1845 by Hippolyte François Jaubert and Édouard Spach (in Illustrationes Plantarum Orientalium, 2, 50, pl. 136).
Halothamnus bottae has been first described in 1845 by Hippolyte François Jaubert and Édouard Spach (in Illustrationes plantarum orientalium, volume 2, pl. 136).