Straggly seaweed in Cornish rockpool

Straggly seaweed in Cornish rockpool

Observation - Straggly seaweed in Cornish rockpool - UK and Ireland. Description: A thin straggly seaweed with cylindrical branching fronds c. 8-12 inches long in a Cornish rockpool. Seems to match Eudesme virescens well http://brphycsoc.org/descriptions/Eudesme_virescens.html, but there may be other possibilities...

A thin straggly seaweed with cylindrical branching fronds c. 8-12 inches long in a Cornish rockpool. Seems to match Eudesme virescens well http://brphycsoc.org/descriptions/Eudesme_virescens.html, but there may be other possibilities...