TY JOUR TI Comparative analysis of the chemical composition of plant materials of some representatives of the genera Narcissus L. and Camassia Lindl. KW biology KW introduction KW Narcissus KW Camassia KW heavy metals KW elemental composition JO Agrarian Bulletin of the AU Reut, A.A. AU Biglova, A.R. AU Allayarova, I.N. PY 2021 IS 205 PB Ural State Agrarian University