Diatoms of North AmericaDiatoms of North America
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Compare Adlafia multnomahii

E.Morales and Le 2005

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Adlafia minuscula is elliptic to elliptic-lanceolate, without capitate ends. Adlafia bryophila is parallel to slightly convex in outline, with bluntly rounded, rostrate ends. Striae are not visible in Nupela wellneri in LM. Nupela impexiformis is heterovalvar, with a raphe lacking on one valve. Also, striae are not visible in LM in N. impexiformis.

LM scalebar = 10 µm
Adlafia multnomahii LM1 Adlafia multnomahii LM2 Adlafia multnomahii LM3 Adlafia multnomahii LM4 Adlafia multnomahii LM5 Adlafia multnomahii LM6 Adlafia multnomahii LM7
Length Range
10.0-14.8 µm
Width Range
3.3-4.4 µm
Striae in 10 µm
35-39 in the center valve

Nupela wellneri

(Lange-Bert. in Lange-Bert. and Krammer) Lange-Bert. in Rumrich, Lange-Bert. and Rumrich 2000

Nupela wellneri LM3 Nupela wellneri LM1 Nupela wellneri LM2
Length Range
8.5-15 µm
Width Range
3.0-4.5 µm
Striae in 10 µm
38-42

Nupela impexiformis

(Lange-Bert. in Lange-Bert. and Krammer) Lange-Bert. 1999

Nupela impexiformis LM7 Nupela impexiformis LM1 Nupela impexiformis LM3 Nupela impexiformis LM6 Nupela impexiformis LM5 Nupela impexiformis LM4 Nupela impexiformis LM2
Length Range
14-17 µm
Width Range
3.8-4.6 µm
Striae in 10 µm
44-50

Also compare to

Adlafia minuscula

(Grunow) Lange-Bert.

Adlafia bryophila

(J.B.Petersen) Lange-Bert.