original description(ofPinnularia viridis var. minor Cleve, 1891 †)Cleve, P.T. (1891). The Diatoms of Finland. <em>Actas Societas Pro Fauna et Flora Fennica.</em> 8(2): 1-68, 3 pls. page(s): p. 22; pl. 1, fig. 2 [details]
new combination referenceCleve-Euler, A. (Cleve) (1955). Die Diatomeen von Schweden und Finnland. Part IV. Biraphideae 2. Kongliga Svenska Vetenskaps-Akademiens Handligar, ser. 4,, 5(4): 1-232, figs 971-1306. page(s): p. 83; fig. 1115 g-k [details]