original description(ofEpithemia argus var. medioconstricta Cleve-Euler, 1932)Cleve-Euler, A. (Cleve). (1932). Die Kieselalgen des Tåkernsees in Schweden. <em>Kungliga Svenska Vetenskaps-Akademiens Handlingar, ser. 3.</em> 11(2): 254 pp. page(s): p. 33; fig. 63 [details] Available for editors [request]
new combination referenceCleve-Euler, A. (Cleve) (1952). Die Diatomeen von Schweden und Finnland. Part V. (Schluss.). Kongliga Svenska Vetenskaps-Akademiens Handligar, ser. 4,, 3(3): 1-153, figs 1318-1583, pl. 7. page(s): p. 39; fig. 1409 v [details]