Algal factsheet: Ankistrodesmus (Radiococcaceae)

Diagnostic features

Unicellular or colonial chlorophyte with curved needle-like cells tapering at both ends. They often cluster together in bundles.

Found in the plankton of nutrient-rich lakes and ponds. Often abundant in sewage ponds, particularly during winter and spring.

Often the cause of green discolouration in ornamental ponds