Compare Fragilaria socia
Fragilaria vaucheriae has a central area that is unilaterally expanded, valve ends are not as tapered, and cells are joined in chain-like colonies (F. socia forms stellate colonies, attached to a substrate).
LM scalebar = 10 µm
Length Range
14.1-42.9 µm
14.1-42.9 µm
Width Range
3.4-4.1 µm
3.4-4.1 µm
Striae in 10 µm
16.4-18.5
16.4-18.5
Length Range
6–30 µm
6–30 µm
Width Range
4-5 µm
4-5 µm
Striae in 10 µm
14-16
14-16
