Name (genus): Spirogyra
Size : Filaments 10 – 100 µm wide, filaments up to many cms long
Where to find them : Often occurs in floating green masses, slimy to the touch.
Notes : The single cells are arranged end to end to form long threads (filaments). The spirally arranged ribbon-like plastids are distinctive. Many biology textbooks use this as the example of a filamentous algae.
Classification :
Kingdom – Protoctista, Phylum – Gamophyta
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