By Magda | 9:05 PM UTC, Tue March 01, 2011 Locality Haarsteegse Wiel: harbour Country Netherlands Year 1979 pH 7.5 Conductivity (μS/cm) 310 Species Mallomonas akrokomos Mallomonas alpina Mallomonas crassisquama Mallomonas parvula Mallomonas punctifera Mallomonas tonsurata Paraphysomonas vestita Synura curtispina Synura petersenii Mallomonas caudata Synura spinosa Mallomonas acaroides Spiniferomonas abei Spiniferomonas cornuta References ROIJACKERS & KESSELS (1986) Coordinates 51.718946, 5.18383