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Diagnostic features

Masses of fine branching filaments set within a mucilage sheath (the mucilage may be difficult to see, and envelopes the whole thallus). The thallus as a whole, including the mucilage, may be hemispherical or branched.

Typical habitats

Attached to stone or plant surfaces


Kingdom Plantae
Phylum Chlorophyta
Class Chlorophyceae
Order Chaetophorales
Family Chaetophoraceae
Common name Green algae