Compare Gomphonema submehleri
Compare
Gomphonema mehleri differs by wider valves, more broadly rounded apices, and lower stria densities. Gomphonema manubrium and G. ventricosum differs by having distinct axial areas, wider valves, and more strongly radiate striae.
LM scalebar = 10 µm
Length Range
24.9-37.2 µm
24.9-37.2 µm
Width Range
5.2-7.8 µm
5.2-7.8 µm
Striae in 10 µm
10-12 at the valve center, 14-16 at the head pole, 14-15 at the foot pole
10-12 at the valve center, 14-16 at the head pole, 14-15 at the foot pole
Gomphonema mehleri
Length Range
33-59 µm
33-59 µm
Width Range
9.4-12.5 µm
9.4-12.5 µm
Striae in 10 µm
7.5-9 at center; 11-12 at headpole; 12-13 at footpole
7.5-9 at center; 11-12 at headpole; 12-13 at footpole
Gomphonema manubrium
Length Range
31.9-39.9 µm
31.9-39.9 µm
Width Range
8.9-9.8 µm
8.9-9.8 µm
Striae in 10 µm
11-14 in the center valve, 14-16 at the ends
11-14 in the center valve, 14-16 at the ends
