The last journey. In memory of Tetyana M. Cherevchenko (11.01.1929 – 25.06.2017) - N. V. Zaimenko; L. I. Buiun; L. A. Kovalska; R. V. Ivannikov; M. B. Haponenko; V. S. Vakhrushkin (Ukrainian Botanical Journal, 2018)