Reference
Vitaliia I. Didenko, Ivan I. Moysiyenko, Vitaliy P. Kolomiychuk, Nataliia I. Karpenko, Igor Yu. Kostikov, Volodimir V. Manyuk (2018): Centaurea konkae and C. appendicata (Asteraceae, Magnoliophyta): features of ITS1 and ITS2 sequences secondary structure – Wulfenia – 25: 70 - 80.