TY JOUR TI Features of biology and chemical composition of Chrysanthemum zawadskii – a rare species of the Republic of Bashkortostan KW Chrysanthemum zawadskii KW phenology KW raw materials KW chemical composition KW flavonoids KW tannins KW amino acids JO Agrarian Bulletin of the AU Pupykina, K.A. AU Abramova, L.M. AU Anischenko, I.E. AU Zhigunov, O.Y. PY 2022 IS 218 PB Ural State Agrarian University