1. Beeftink, W. G. (1962): Conspectus of the phanerogamic salt plant communities in the Netherlands—Biologisch Jaarboek Dodonaea, Den Haag, 30: 325–362.
2. Beeftink, W. G. (1965): De zoutvegetatie van ZW-Nederland beschouwd in Europees verband.—Wageningen.
3. Hadač, E. (1969): Mire Communities of Reykjanes Peninsula, SW. Iceland (Plant Communities of Reykjanes Peninsula, Part I.).—Folia geobot. phytotax., Praha, 4: 1–21, 1969.
4. Holub, J., Hejný, S., Moravec, J. etNeuhäusl, R. (1967): Übersicht der höheren Vegetationseinheiten der Tschechoslowakei.—Rozpravy ČSAV, tř. matem. přír. v., Praha, 77/3: 1–75.
5. Löve, Á. (1960): Some innovations and nomenclatural suggestions in the Icelandic flora.— Botan. Not., Lund, 1950/1: 24–60.