Flora of the U.S.S.R. (Flora SSSR)
Flora of the U.S.S.R. (Flora SSSR) Vol. edited by V.L. Komarov - Jerusalem Israel Program for Scientific Translations 1964 - 512 p. - The botanical institute of the academy of sciences .
Flora of U.S.S.R.
581.9(47) / K 81 F