Professor Illya I. Chorney (on the 60th anniversary of his birth) - Ya. P. Didukh; V. V. Protopopova; M. V. Shevera; V. V. Budzhak; A. I. Tokariuk; I. V. Skilskyi; M. V. Velychko; I. M. Danylyk; Ya. Kish; V. P. Korzhyk (Ukrainian Botanical Journal, 2017)