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Achnanthes cf inflata

Algal factsheet: Achnanthes cf inflata (Achnanthaceae)

Achnanthes, Lake Waihola, X640
Achnanthes, X640

Diagnostic features

Valves differ from each other (only one has a raphe; i.e. the genus is monoraphid). Valves arched in girdle view. Raphid valve usually has a band of thickened silica running across its centre. The pictured species (A. inflata) often forms short chains.

Typical habitats

Lakes and slow flowing streams/rivers

Classification

Kingdom	Chromista
Phylum	Ochrophyta
Subphylum	Khakista
Class	Bacillariophyceae
Order	Achnanthales
Family	Achnanthaceae
Common name	Diatoms