Discoid forkweed in a Lyme Regis rockpool

Discoid forkweed in a Lyme Regis rockpool

Observation - Discoid forkweed in a Lyme Regis rockpool. Description: Cartliginous, cylindrical red/brown fronds with forked tips. New to me, but matches descriptions and imaged for this species well e.g.: http://brphycsoc.org/descriptions/Polyides_rotundus.html No idea yet what the delicate one alongside it is.

Cartliginous, cylindrical red/brown fronds with forked tips. New to me, but matches descriptions and imaged for this species well e.g.: http://brphycsoc.org/descriptions/Polyides_rotundus.html

No idea yet what the delicate one alongside it is.