Diatoms of North AmericaDiatoms of North America
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Compare Karayevia suchlandtii

(Hust.) Bukht.

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Karayevia nitidiformis has capitate valve ends. Note that K. nitidiformis has not been confirmed in US habitats.

LM scalebar = 10 µm
Gsn23387 Karsuchl 2 Ed Mo000019 1A Ed 4 Karayevia suchlandtii LM1 Gsn23387 Karsuchl 1A Ed Gsn23387 Karsuchl 1B Ed Karayevia suchlandtii LM3 Karayevia suchlandtii LM2
Length Range
7-15 µm
Width Range
3.6-5.3 µm
Striae in 10 µm
18-20

Karayevia nitidiformis

(Lange-Bert.) Bukht. 2006

K Nitidiformis Holly29 10 K Nitidiformis Holly29 7 K Nitidiformis Holly29 4 K Nitidiformis Holly29 8 Copy Karayevia Nitidiformis 1 Karayevia Nitidiformis 3 K Nitidiformis Holly29 9
Length Range
13.0-14.7 µm
Width Range
4.2-4.3 µm
Striae in 10 µm
19 on raphe valve, 19-21 on rapheless valve