By Magda | 2:26 PM UTC, Mon February 07, 2011 Locality Province of Gelderland, Erpewaai IV Country Netherlands Year 1979 Temperature (°C) 6.3 pH 7.6 Conductivity (μS/cm) 276 Species Mallomonas alpina Mallomonas elongata Mallomonas punctifera Mallomonas tonsurata Paraphysomonas imperforata Paraphysomonas vestita Synura petersenii Synura uvella Mallomonas caudata Synura spinosa Mallomonas insignis Synura petersenii f. praefracta (= Synura praefracta) Synura glabra References ROIJACKERS (1981) Coordinates 51.761054, 5.827293