Grünalge (Spirogyra) "Drüsiges Springkrau"Green Algae" by Tristan Schmuis licensed under CC BY 2.0.

Water silk (Spirogyra)

Where?

The Water silk is a grren algae, it grows best in nutrient-enriched (eutrophic), clear and calm waters. The green alga is found only in ecologically disturbed waters and indicates poor condition of the water body.

Appearance?

Filamentous, free floating, light green slimy patches.

Special Features?

With enough sunlight and warmth, small bubbles form and the algae rise to the water surface.

Spirogyra a

"Spirogyra" by Dr Mary Gillham Archive Project is licensed under CC BY 2.0

Spirogyra b

"SpirogyraIreland" by Notafly is licensed under CC BY-SA 4.0

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