Landcare Research - Manaaki Whenua

Landcare-Research -Manaaki Whenua

Algal factsheet: Achnanthes cf inflata (Achnanthaceae)


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