A slimy green gelatinous substance growing in grassland.
No interactions present.
Identification by Malcolm Storey added above, resulting from discussion at:
Entomologist and biological recorder
Thanks. I passed this information on to Prof. Phil Grime at University of Sheffield as the photo was taken in one of his experiments at Buxton and he replied "It was great to learn that at last we can give a reliable name to the slime in our microcosms."
University of Edinburgh and Biodiversity Observatory (OU)
Lat/Lng: 53.230788, -1.921196
OS grid ref: SK053704