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Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011
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Achnanthes cognita Simonsen 1987, p. 342
CommentsNew name for Navicula congolensis Hustedt 1949 (priority for Achnanthes congolensis Hustedt 1949). Achnanthes congolensis was however invalid in Hustedt 1949 (validly published as Achnanthes atomus var. congolensis Hustedt 1949). Simonsen 1987, however, in this same work (ref. 003164) on p. 340, validates the combination: Achnanthes congolensis (Hustedt) Simonsen 1987 (based on Achnanthes atomus var. congolensis Hustedt 1949)
Published inSimonsen, R. 1987 [ref. 003164]. Atlas and Catalogue of the Diatom Types of Friedrich Hustedt. J. Cramer, Berlin & Stuttgart 1:525 pp.
Type     INA card not found. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsNavicula congolensis Hustedt 1949
Achnanthes congolensis (Hustedt) Hustedt 1962