Landcare Research - Manaaki Whenua

Landcare-Research -Manaaki Whenua

Algal factsheet: Melosira varians (Melosiraceae)


Diagnostic features

Cylindrical cells, round in valve view and square to rectangular in girdle view. Numerous discoidal golden-brown chloroplasts. Forms long chains that make up prolific grey-green or brown slimes.

Typical habitats

Can form prolific blooms in unshaded stony streams/rivers

Notes

Commonly the subject of pollution complaints.

Classification

Kingdom Chromista
Phylum Ochrophyta
Subphylum Khakista
Class Bacillariophyceae
Order Melosirales
Family Melosiraceae
Common name Diatoms