By Martina P | 10:22 AM UTC, Tue July 19, 2011 Locality Srebarna Lake Country Bulgaria Year 1992 pH 7.0 Species Mallomonas actinoloma var. maramuresensis Paraphysomonas takahashii (= Clathromonas takahashii) Paraphysomonas vestita Spiniferomonas trioralis References KRISTIANSEN & STOYNEVA (1998) Coordinates 44.106694, 27.072344