original description(ofCymbella aspera var. elongata Skvortzow, 1928)Skvortzow, B.W. (Skvortzov, B.V.) (1928). Diatoms of Khingan, North Manchuria, China. Philippine Journal of Science, 35(1): 39-51, 5 pls. page(s): p. 46; pl. 4, fig. 4 [details]
new combination referenceSkvortzow, B.W. (Skvortzov, B.V.) (1946). Species novae et minus cognitae Algarum, Flagellatarum et Phycomicetarum Asiae, Africae, Ameriae et Japoniae nec non Ceylon anno 1931-1945, descripto et illustrato per tab. 1-18. Proceedings of the Harbin Society of Natural History and Ethnography. Botany. Harbin, 2: 34 pp., 18 pls. page(s): p. 24; pl. 6, fig. 9-10 [details]