Fred Titchener's picture

Sw01

Observed: 9th January 2011 By: Fred Titchener
S159 Neighbourhood Nature - course complete
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sw01
Description:

red feathery seaweed

Identifications
Species interactions

No interactions present.

Comments

Mike Kendall's picture

It could be this species.

Bunker et al in the Seasearch Guide to Seaweeds list two other species that are similar; Laurencia obtusa and L.pyramidalis. The fine details that separate the species can't be seen on the picture. I can't be sure this is the correct ID.

By the way the taxonomists seem to have changed Laurencia pinnatifida to Osmundea pinnatifida.

Mike Kendall

Nature girl's picture

Another possiblity

It might be Plocamium cartilagineum as I can see comb-like bits at the end of some fronds, but I don't have a seaweed guide anymore unfortunately so I'm not really sure.

dejayM's picture

Plocamium

Not much to go on but there are glimpses, via the original, of one-sided fronds. In any case Rosie (Nature Girl) is on the ball.
The resolution is poor and the specimen well battered but I really think it is Plocamium cartilagineum but it cannot be easily separated from P.nanum.
Worth reading comments here
http://www.ispotnature.org/node/376096
and
http://www.ispotnature.org/node/374537