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The central area of Pinnularia pulchella var. canadensis is less gibbous.

LM scalebar = 10 µm
Pinnularia pulchella ANSP BOY426 3 Pinnularia pulchella ANSP BOY426 5 Pinnularia pulchella ANSP BOY426 12 Pinnularia pulchella ANSP BOY426 10 Pinnularia pulchella ANSP BOY426 6 Pinnularia pulchella ANSP BOY426 11 Pinnularia pulchella ANSP BOY426 2
Length Range
215.9-265.8 µm
Width Range
38.9-47.8 µm
Striae in 10 µm
6-7

Pinnularia pulchella var. canadensis

Krammer 2000

Pulchella canadensis LM5 Pulchella canadensis LM1 Pulchella canadensis LM4 Pulchella canadensis LM2 Pulchella canadensis LM3 Pulchella canadensis LM7 Pulchella canadensis LM6
Length Range
183-232 µm
Width Range
29-34 µm
Striae in 10 µm
6-7