FIGURES 4–8 in Auxosporulation, morphology of vegetative cells and perizonium of Fallacia tenera (Hust.) D.G. Mann (Bacillariophyceae)

FIGURES 4–8: Morphological variation of Fallacia tenera. Scale bar = 5 µm. Fig. 4. Initial cell with a slightly convex center (arrow). Figs 5–7. Outline of vegetative cells from naviculoid to elliptical. Fig. 8. Vegetative cell finally become to circle and probably could not have sexual reproduction.