title: Achnanthidium
text: # Achnanthidium
  
  Achnanthidium is a genus of diatoms belonging to the family Achnanthidiaceae.
  
  The genus was described in 1844 by Friedrich Traugott Kützing.
  
  The genus has cosmopolitan distribution.
  
  Species: (see a more complete list)
  
  * Achnanthidium affine (Grunow) Czarnecki, 1994
  * Achnanthidium agardhii (Kützing) Mereschkowsky
  * Achnanthidium alpestre (R. Lowe & J.P. Kociolek) R. Lowe & J.P. Kociolek
  * Achnanthidium minutissimum (Kützing) Czarnecki
  