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Codium fragile subsp. atlanticum Marine Alga

Alage Outer Hebrides logo  Algae Outer Hebrides

Phylum: Chlorophyta   Family: Codiaceae

Codium fragile subsp. atlanticum  (A.D. Cotton) P.C. Silva, 1955

Atlantic Green Sponge Fingers; Dead Man's Fingers

Found in rock pools in the mid to lower tidal zones. Originally thought to be an introduction, it is now generally recognised as native. There are a handful of records for the Outer Hebrides of Codium fragile subsp. tomentosoides, now synonymised with Codium fragile subsp. fragile, an invasive introduction largely confined to the south coast of England and west coast of Scotland. Current thinking is, this is one variable species

Chris Johnson

Brodie, Maggs & John (2007) - Green Seaweeds of Britain and Ireland;
Bunker, Brodie, Maggs & Bunker (2017) - Seaweeds of Britain and Ireland