Karajeva, N.I. (Karaeva, Karayeva) (1971). [About taxonomy of two species of genus Navicula Bory]. Novitates Systematicae Plantarum Non Vascularium (Academia Scientiarum URSS Institutum Botanicum Nomine V.L. Komarovii) (Novosti Sistematiki Nizschikh Rastenii), 8: 32-34