1. Гамуля Ю.Г., Сіра О.Є. Type and authentic specimens of Agropyron Gaertn. and Elytrigia Desv. taxa (Poaceae) in the Нerbarium of V.N.Karazin Kharkiv National University (CWU) // The Journal of V.N.Karazin Kharkiv National University. Series «Biology». 1. (25). C. 27-38.