Diatoms of North AmericaDiatoms of North America
Return to overview

Compare Gomphonema pusillum

(Grunow) Kulikovskiy and Kociolek in Kulikovskiy et al. 2015

Compare

Gomphonema acuminatum is larger - and frequently confused with this taxon.

Gomphonema brebissonii is more narrow near the headpole.

LM scalebar = 10 µm
Gomphonema pusillum LM4 Gomphonema pusillum LM7 Gomphonema pusillum LM5 Gomphonema pusillum LM6 Gomphonema pusillum LM3 Gomphonema pusillum LM1 Gomphonema pusillum LM2
Length Range
32-56 µm
Width Range
6.5-9.0 µm
Striae in 10 µm
11-13

Gomphonema acuminatum

Ehrenb. 1832

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 toward the footpole

Gomphonema brebissonii

Kütz. 1849

Brebissonii Gc8988B005 Brebissonii Gc113636B007 Brebissonii Gc8988B002 Brebissonii Gc8988B003 Brebissonii Gc113636B001B Brebissonii Gc113636B002 Brebissonii Gc113636B003
Length Range
17-48 µm
Width Range
6-9 µm
Striae in 10 µm
9-12