Unresolved name

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

Achnanthes lanceolata f. elongata Lauby 1910

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