Krak, K., Álvarez, I., Caklová, P., Costa, A., Chrtek, J., Fehrer, J. Development of novel low-copy nuclear markers for Hieraciinae (Asteraceae) and their perspective for other tribes. American Journal of Botany. 2012, 99(2), 74-77. ISSN 0002-9122. E-ISSN 1537-2197. Available: https://doi.org/10.3732/ajb.1100416