Compare Gyrosigma obscurum
G. balticum var. californicum has less eccentric raphe, and has strongly deflected proximal raphe ends.
LM scalebar = 10 µm
Length Range
118-143 µm
118-143 µm
Width Range
11-12 µm
11-12 µm
Striae in 10 µm
28-29
28-29
