| Number seen/Abundance | Date | Location | Comments | Recorded by |
|---|---|---|---|---|
| F | 2005-08-02 | Far pontoon, Queen Anne's Battery marina |
frequent attached to pontoons | Judith Oakley |
| abundant | 2006-06-22 | Queen Anne's Battery, Plymouth |
On sides of pontoons. new young plants and old ones dying back. | Judith Oakley |
| Two | Attached to oyster rafts. Observation by Andy May, Conservation Manager, Essex Wildlife Trust. Photos taken subsequently in office. | |||
| 10 | 2006-30-11 | Langstone Harbour, Main Channel |
species found in several locations within Langstone harbour, Portsmouth Harbour, Chichester Harbour and outside in the Solent near East Winner Buoy. | Paul Farrell |
| 1 individual plant | 2008-02-06 | Hamble River, near Southampton. E 448 650 N 107 780 |
Seemed to have been dislodged or attached to small stones, stranded on mudflat at low tide. Fairly large, well formed individual for the time of year. | Jack Sewell |
| Frequent | 2009-06-27 | Torquay Marina All species found on the pontoon floats of Torquay Marina |
Wakame | Holly Latham |
| Abundant | 2009-07-04 | Brixham Marina All species found on the pontoon floats in Brixham Marina |
Distributed throughout the marina, large patches on outer pontoons | Holly Latham |
| 2 | 13/09/2010 | Break Water Fort, Plymouth, Devon On the north side of the breakwater within Plymouth Sound, Devon where high currents flow either side. area was a relitivly kelp free area |
observed on a safety stop at 6m growing on the man made Breakwater Fort | James Murphy |
| 4 | 01/06/2011 | Devil's Point Rocky shore at Devil's Point |
Marlin Beach Rangers | |
| 1 | 31/08/2011 | Meadfoot Beach Rocky beach in Torquay with high tidal range |
seen attached to small rock on the beach. only the stipe and holdfast remained, no evidence of the broad frond | James Murphy |
| 10 | 01/05/2012 | Sandon Half Tide Dock, Liverpool SEastern jetty wall of Sandon Half Tide Dock, in the Liverpool north docks system |
Fouling dock wall | Chris Frid |
| 1 | 02/05/2012 | Salcomobe ria pontoon Pontoon on opposite side of estuary where the upper recycling facilities are kept. |
Did not have a chance to look any more so not sure how much there may have been... | Maya Plass |