Diatoms of North AmericaDiatoms of North America
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Compare Pinnularia microstauron

(Ehrenb.) Cleve 1891

Compare

Pinnularia brebissonii has elliptic to linear-elliptic valves with broadly rounded apices.

Pinnularia rhombarea has linear valves, with subrostrate apices.

Pinnularia suchlandtii has linear-lanceolate valves with narrow, rounded apices.

LM scalebar = 10 µm
Pinnularia microstauron LM7 Pinnularia microstauron LM6 Pinnularia microstauron LM4 Pinnularia microstauron LM3 Pinnularia microstauron LM2 Pinnularia microstauron LM1
Length Range
27.7-81.3 µm
Width Range
7.2-12.2 µm
Striae in 10 µm
9-11

Pinnularia brebissonii

(Kütz.) Rabenh. 1864

Pinnularia brebissonii LM7 Pinnularia brebissonii LM6 Pinnularia brebissonii LM5 Pinnularia brebissonii LM4 Pinnularia brebissonii LM3 Pinnularia brebissonii LM2 Pinnularia brebissonii LM1
Length Range
19.7-57.2 µm
Width Range
7.3-10.9 µm
Striae in 10 µm
10-13

Pinnularia rhombarea

Krammer in Metzeltin and Lange-Bert. 1998

Pinnularia rhombarea LM7 Pinnularia rhombarea LM6 Pinnularia rhombarea LM5 Pinnularia rhombarea LM4 Pinnularia rhombarea LM3 Pinnularia rhombarea LM2 Pinnularia rhombarea LM1
Length Range
44.9-74.5 µm
Width Range
10.2-12.5 µm
Striae in 10 µm
9-11

Pinnularia suchlandtii

Hust. 1943

Pinnularia suchlandtii LM1 Pinnularia suchlandtii LM2 Pinnularia suchlandtii LM7 Pinnularia suchlandtii LM3 Pinnularia suchlandtii LM4 Pinnularia suchlandtii LM5 Pinnularia suchlandtii LM6
Length Range
54.0-75.4 µm
Width Range
11.8-16.7 µm
Striae in 10 µm
10-11

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