Kalidium in Candolle, Prodr. 13(2): 46, 146. 1849 sec. Kühn 1993
- =Kalidiopsis in Notes Roy. Bot. Gard. Edinburgh 28: 31. 1967 syn. sec. Kühn 1993
This genus belongs to the Salicornioideae and comprises five perennial halophytic species that are distributed in Central and southwestern Asia as well as southern and southeasternmost Europe. The monophyly of Kalidium is only weakly supported by molecular data (Kadereit & al. 2006).