WITKOWSKI, Andrzej, Elena NEVROVA, Horst LANGE-BERTALOT, & J. Patrick KOCIOLEK 2014 (July) Navicula petrovii sp. nov. (Bacillariophyceae), a naviculoid diatom with amphoroid symmetry and its relationship to Navicula sensu stricto and other naviculoid genera Beih. Nova Hedwigia 143: 469-484, 36 figs., 1 table |