Hard Rush in winter condition in a duck pond in Paignton Devon
No interactions present.
Does not look right to me as its too bright/light green but difficult to tell really. Need to get close up of flower/seed head and the stem as well as the overall shot.
I agree. It is probably J effusus or J conglomeratus, but as you say there is too little detail to be sure.
New Flora of the Isle of Man
Lat/Lng: 50.4, -3.6
OS grid ref: SX8962