Unknown seaweed, Lyme Regis

Unknown seaweed, Lyme Regis

Observation - Unknown seaweed, Lyme Regis - UK and Ireland. Description: Flattened in one plane. Washed up on strandline so may be discoloured. Seems to be more of a discoid

Flattened in one plane. Washed up on strandline so may be discoloured. Seems to be more of a discoid than creeping holdfast.