GENKAL, S.I., & E.G. LUPIKINA 1998 [New and rare species of Aulacosira (Bacillariophyta) from Caldera lakes of Kamchatka] Bot. Zhurn. 83{2}: 104-110, 3 figs., 1 table, IV pls. Russian; Aulacosira crassipunctata var. kamtschatica, A. uzonica