FIG. 6 in Analysis of the type material of Synedra deformis W.Sm. and Synedra vaucheriae var. deformis Grunow (Fragilariaceae, Bacillariophyta)

FIG. 6. — Fragilaria vaucheriae (Kütz.) J.B.Petersen. Images taken from the type population (Quellen bei Leisling, Weissenfels, Germany): A, B, LM views of two frustules connected in girdle view; C-P, LM views of the population arranged in decreasing length. Scale bar: 10 µm.