J. Minasiewicz, S. Borzyszkowska, K. Żółkoś, J. Bloch-Orłowska, and R. Afranowicz, “Population genetic structure of the rare species Eryngium maritimum L. (Apiaceae) in the Gulf of Gdańsk: implications for conservation and management”, biorc, vol. 24, pp. 39–48, Sep. 2012.