Al-Shehbaz, I. A. 1984: The tribes of Cruciferae (Brassicaceae) in the southeastern United States. -J. Arn. Arbor. 65: 343-373.
Dudley, T. R. 1964: Studies in Alyssum: Near eastern representatives & their allies. -J. Arn. Arbor. 45(1): 57-100.
Erdtman, G. 1943: An introduction to pollen analysis. -Chronica Botanica Co.,Waltham, Massachusettes.
Hedge, I. C. 1976: A systematic and geographical survey of the Old World Cruciferae. In: J. G. Vaughan, A. J. MacLeod & B. M. G. Jones (eds.) The biology and chemistry of the Cruciferae. 1-355. -Academic Press, New York, New York, USA.
Persson, J. 1971: Studies in the Aegean flora: 19. Notes on Alyssum and some other genera of Cruciferae. -Bot. Notiser 124 (3): 339-418
Rechinger, K. H. 1968: Alyssum in Rechinger, K. H. (ed.), Flora Iranica 57: 146-170. -Austria: Akademische Druck-und Verlagsanstalt, Graz.
Townsend, C. C. 1980: Alyssum in Townsend, C. C. & E. Guest (eds.), Flora of Iraq. 4: 959-984. -Ministry of Agriculture and Agrarian Reform, Baghdad.
Zohary, M. 1966: Cruciferae in Zohary, M. Flora Palaestina. 1: 246-288. -Publications of the Israel Academy of Sciences and Humanities.
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