portrait

Description:

Closterium lunula (MÜLL.) NITSCH ex RALFS

 The cells are 6-8 times longer than wide, almost straight, whereas the dorsal side is somewhat more strongly curved than the ventral side. The cell ends are broadly rounded off and sometimes curved a little backwards. In the terminate vacuoles there are numerous tiny cristals. The cell wall is lightly striated.

  Dimension: Length 500 – 900 µm, width 60 – 100 µm

 Ecology: Very tolerant concerning living conditions, in acidic and alcaline waters of all kinds often abundant.

 Occurrence: Ubiquitous.