portrait

Description:

Euastrum germanicum (SCHMIDLE) WILLI KRIEG.

 he cells are only a little longer then wide. The cell halves constist of five broadly rounded lobes. The vertex lobes which are outward somewhat widened are separated from the lobes by extended, inside rounded recessings. Each center of the cell halves showes a hemispheric bump. The cellwall is covered with parallel rows of spines. The central cuts are slender and broadly opened towards the periphery.

  Dimension: Length 50 – 60 µm, width 40 – 50 µm

 Ecology: Especially in medium acidic to weakly alcaline waters of ponds and alluvial areas (Danube meadows)

 Occurrence: Mainly in Europe, but probably ubiquitous