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Achnanthes (Bacillariophyceae)

Achnanthes lanceolata
Lower image is valve with raphe. Upper image is valve with internal circular septum and pseudoraphe. Modified from images posted online.

Achnanthes lanceolata
Photograph by Dominique Voisin posted online

Achnanthes lanceolata, cell length ~ 10 um
Photograph by Shin Jaegi posted online

Achnanthes lapponica var. ninckei (Geurm.&Mang.) Reimer
Modified from sketch by Ettl & Gaertner (1995) from the collection of Manfred Bölter, University of Kiel, DE

Ettl, H. & G. Gärtner 1995. Syllabus der Boden-, Luft- und Flechtenalgen. Gustav Fischer, Stuttgart

Achnanthes sp.
Modified from sketch by Ettl & Gaertner (1995) from the collection of Manfred Bölter, University of Kiel, DE

Ettl, H. & G. Gärtner 1995. Syllabus der Boden-, Luft- und Flechtenalgen. Gustav Fischer, Stuttgart .

Achnanthes lanceolata var. ventricosa Hust.
Modified from sketch by Ettl & Gaertner (1995) from the collection of Manfred Bölter, University of Kiel, DE

Luscinska, M. & A. Kyc 1993 Algae inhibiting creeks of the region of „H. Arctowski“ Polish Antarctic Station, King George Island, South Shetlands. Polish Polar Res 14: 393-405.

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