Boissier, E.1867: Flora Orientalis, Vol. 1.- Genevae & Basiliae.
Bor, N. L. 1970: Gramineae in K. H. Rechinger (ed.) Flora Iranica 70. - Graz.
Coode, M. J. & Cullen, J. 1967: Silene in P. H. Davis (ed.) Flora of Turkey 2: 179-242. - Edinburgh.
Cullen, J. 1067: Cerastium in P. H. Davis (ed.) Flora of Turkey 2: 73-85. - Edinburgh.
Davis, P. H. 1965: Aconitum in P. H. Davis (ed.) Flora of Turkey 1: 106 - 108. - Edinburgh.
- et al. 1965: Anemone in P. H. Davis (ed.) Flora of Turkey 1: 134 - 138. - Edinburgh.
Grossheim, A. A. 1950: Flora Kavkaza Vol. 4 (in Russian). - Moskva & Leningrad.
Hedge, I. C. 1968: Lepidium in K. H. Rechinger (ed.) Flora Iranica 57: 63 -Graz.
Jansson, C. A. & Rechinger, K. H.1970 : Crassulaceae in K. H. Rechinger (ed.) Flora Iranica 72. - Graz.
Rechinger, K. H. 1970: Asclepiadaceae in K. H. Rechinger (ed.) Flora Iranica - Graz.
Schiman - Czeika, H. 1967: Gentianaceae in K. H. Rechinger (ed.) Flora Iranica 41. - Graz.
Schonbeck - Temesy, E. 1970: Geraniaceae in K. H. Rechinger (ed.) Flora Iranica 69. - Graz.
Shishkin, B. K. 1936: Cerastium in V. L. Komarov (ed.) Flora of the U.S.S.R. (in Russian) 6: 430 - 466. - Moskva & Leningrad.
- & Bobrov, E. G. 1952: Androsace in K. Shishkin & E. G. Bobrov (eds.) Flora of the U.S.S.R. (in Russian) 18: 218 - 242. - Moskva & Leningrad.
Shteinberg, E. I. 1937: Aconitum in V. L. Komarov (ed.) Flora of the U.S.S.R. (in Russian) 7: 183 - 236. - Moskva & Leningrad.
Wendelbo, P. 1965: Primulaceae in K. H. Rechinger (ed.) Flora Iranica 9. - Graz.
Yuzepchuk, S. V. 1937: Pulsatilla in V. L. Komarov (ed.) Flora of the U.S.S.R. (in Russian) 7: 285 - 307. -Moskva & Leningrad.
)
