Unresolved name

Unresolved name: Chromista » Ochrophyte » Diatoms » Achnanthales » Achnanthidiaceae » Planothidium » Planothidium lanceolatum «

Achnanthes lanceolata f. pura Mayer 1916

Achnanthes lanceolata pura is a form of in the family Achnanthidiaceae.