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Compare Gomphonema acuminatum

Ehrenb. 1832

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Gomphonema acuminatum is differentiated from G. coronatum by the latter having larger inflations near the headpole. Gomphonema brebissonii differs by having a much reduced apical inflation.

LM scalebar = 10 µm
Gomphonema Acuminatum 002 Gomphonema Acuminatum 001 Gomphonema Acuminatum 003 Gomphonema Acuminatum 005 Acuminatum Gc109928B004 Gomphonema Acuminatum 004
Length Range
19-77 µm
Width Range
7-12 µm
Striae in 10 µm
9-12 at the center, 12-14 towards the footpole

Also compare to

Gomphonema coronatum

Ehrenb.

Gomphonema brebissonii

Kutz.

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