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Seaweeds > Division Chlorophyta
Fan-shaped green seaweeds compared
How to tell them apart?
updated Jan 13
These fan-shaped seaweeds are sometimes confused for one another. Here's more on how to tell them apart.

Solitary fan green seaweed
Avrainvillea erecta
Solitary fan green seaweed
Avrainvillea erecta
One paddle-shaped blade flat not ruffled, thick rather stiff, sometimes divided into four or more 'wings'.
 
Paddle-shaped blade flat usually with ruffled margins, thick rather stiff, usually in clusters of a few blades.

Pleated fan green seaweed
Rhipidosiphon javensis
Circular blade flat not ruffled, thick rather stiff, usually in clusters of many blades.
Fan-shaped blade flat, thin and rather floppy when out of water, edges not ruffled although the blade amy be folded, usually in clusters of many blades.
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