By Martina P | 6:13 PM UTC, Tue November 29, 2011 Locality Helgasjön - oligotrophic clear water lake Country Sweden Year 1979 Temperature (°C) 5.8 Species Chrysosphaerella brevispina Mallomonas akrokomos Mallomonas alpina Mallomonas crassisquama Mallomonas eoa Mallomonas heterospina Mallomonas tonsurata Paraphysomonas imperforata Paraphysomonas vestita Spiniferomonas bourrellyi Spiniferomonas trioralis Synura echinulata Synura petersenii Synura uvella Mallomonas caudata Synura spinosa Mallomonas pillula f. pillula Mallomonas vannigera Synura lapponica (= Neotessella lapponica) Synura nygaardii References CRONBERG & KRISTIANSEN (1980) Coordinates 56.962947, 14.728317