original description(ofAchnanthes lanceolata var. elliptica 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. 51; pl. 3, fig. 10-11 [details]
basis of recordHällfors, G. (2004). Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups). <em>Baltic Sea Environment Proceedings.</em> No. 95: 210 pp., available online athttp://helcom.fi/Lists/Publications/BSEP95.pdf[details] Available for editors