Heyn, C.C. 1984: Medicago in K.H. Rechinger Flora Iranica no. 157: 253-274. -Graz.
Fedorov, A.A. 1957: Campanulaceae in V. L. Komarov Fl. of the U.S.S.R. -Moskva & Leningrad.
Rechinger, K.H. & Schiman-Czeika, H. 1974: Limonium in K.H. Rechinger Flroa Iranica no. 108: 4-13. -Graz.
Linchevski, I.A. 1954: Limonium in B.K. Shishkin and V.V. Nikitin Flroa Turkmenii, vol. 4:25-30. -Ashkabad.