Found growing along the lower shore
No interactions present.
If you zoom in on the left-hand photo, you can see some of the marginal proliferations that this species sometimes produces.
the second photo shows that the only green alga to be seen are growing on the limpets; the limpets (Patella) have eaten all the rest!
Lat/Lng: 50.3613, -4.1594
OS grid ref: SX465534
Shingle beach on a rocky shore at Eastern King, Stonehouse, Plymouth