Compare Cymbella mexicana var. kamtschatica
Compare
The nominate variety has more lanceolate, mostly larger valves with rounded, unprotracted apices.
LM scalebar = 10 µm
Length Range
63-102 µm
63-102 µm
Width Range
25.7-31.0 µm
25.7-31.0 µm
Striae in 10 µm
6-9
6-9
Cymbella mexicana
Length Range
80-155 µm
80-155 µm
Width Range
26-33 µm
26-33 µm
Striae in 10 µm
6-8 in the central valve, 7-10 at the ends
6-8 in the central valve, 7-10 at the ends