Tuji, A. & Williams, D. M. (2006). The identity of Cyclotella glomerata Bachmann and Discotella nipponica (Skvortzov) Tuji et William comb. et stat. nov. (Bacillariophyceae) from Lake Kizaki, Japan. Bulletin of the National Science Museum, Series B (Botany), Tokyo, 32(1): 9-14