Kúr, P., Amarell, U., Jage, H. & Štech, M. (2017)

Taxonomy and evolutionary diversification of the Central European endemic Spergularia echinosperma (Caryophyllaceae)

. Phytotaxa 305 (3): 149–164. https://doi.org/10.11646/phytotaxa.305.3.3