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Seaweeds > Division Chlorophyta
Sea grapes compared
How to tell them apart?
updated Aug 08

Here's how to tell apart these two green seaweeds with little round shapes.

Round sea grapes
Caulerpa lentillifera
Oval sea grapes
Caulerpa racemosa
There is a distinct constriction where
the round 'grape' connects to the stem.
The 'grape' may be round, disk-shaped, conical, bell-shaped, club-shaped.
The bunch is usually sausage-shaped
with the round 'grapes' tightly and regularly
packed next to one another.
The bunch is loosely covered with 'grapes' that
may be irregularly arranged.

More comparisons


Oval green seaweed
Caulpera racemosa

Parasol green seaweed
Caulerpa peltata

Small parasol green seaweed
Caulerpa racemosa var peltata


Bubble green seaweed
Boergesenia forbesii

Sea sausage green seaweed
Bornetella sp.
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