Zaika, M. A., Kilian, N., Jones, K., Krinitsina, A. A., Nilova, M. V., Speranskaya, A. S., & Sukhorukov, A. P. (2020). Scorzonera sensu lato (Asteraceae, Cichorieae) – taxonomic reassessment in the light of new molecular phylogenetic and carpological analyses. PhytoKeys.

Zaika, Maxim A., Norbert Kilian, Katy Jones, Anastasiya A. Krinitsina, Maya V. Nilova, Anna S. Speranskaya, and Alexander P. Sukhorukov. "Scorzonera Sensu Lato (Asteraceae, Cichorieae) – Taxonomic Reassessment in the Light of New Molecular Phylogenetic and Carpological Analyses." PhytoKeys 2020.

Zaika, Maxim A., et al. "Scorzonera Sensu Lato (Asteraceae, Cichorieae) – Taxonomic Reassessment in the Light of New Molecular Phylogenetic and Carpological Analyses." PhytoKeys 2020.