Diatoms of North AmericaDiatoms of North America
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Compare Pinnularia turfosiphila

E.E.Gaiser and J.R.Johansen 2000

Compare

Pinnularia sudetica has hooked distal raphe ends. Pinnularia stomatophora has a distinct central area and rostrate apices. Pinnularia suchlandtii and P. microstauron have a central fascia and hooked distal raphe ends. Pinnularia tumescens has narrow valves, tumid margins, and broadly rounded apices.

LM scalebar = 10 µm
Pinnularia turfosiphila LM1 Pinnularia turfosiphila LM2 Pinnularia turfosiphila LM3 Pinnularia turfosiphila LM4 Pinnularia turfosiphila LM5 Pinnularia turfosiphila LM6 Pinnularia turfosiphila LM7
Length Range
66.9-95.5 µm
Width Range
14-18 µm
Striae in 10 µm
10-12

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

Pinnularia microstauron

(Ehrenb.) Cleve 1891

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

Also compare to

Pinnularia stomatophora

(Grunow) Cleve

Pinnularia sudetica

Hilse

Pinnularia tumescens

Metzeltin and Krammer