Herbichowa, M., & Herbich, J. (2006). Threats to the long-term existence of Eleocharis multicaulis (Sm.) Desv. exposed to vegetation succession in dune slacks near Białogóra (Kashubian Seacoast, northern Poland). Biodiversity: Research and Conservation, (1-2), 107–110. https://doi.org/10.14746/biorc.2006.1-2.24