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Synedra mazamaensis is similar to Fragilaria vaucheriae, but the valve ends are distinctly attenuated and capitate in S. mazamaensis. Pseudostaurosira parasitica possesses a symmetrical central area.

LM scalebar = 10 µm
Synedra mazamaensis LM2 Synedra mazamaensis LM3 Synedra mazamaensis LM5 Synedra mazamaensis LM1 Synedra mazamaensis LM4 Synedra mazamaensis LM6 Synedra mazamaensis LM7
Length Range
12–38 µm
Width Range
3–5 µm
Striae in 10 µm
19-23

Also compare to

Fragilaria vaucheriae

(Kütz.) J.B.Peterson

Pseudostaurosira parasitica

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