 This is the only known site in Gloucestershire for small water pepper, mudwort and needle spike rush.Narrow-leaved water plantain, keeled garlic ("Allium carinatus"), glaucous bulrush ("Schoenoplectus tabernaemontani") and sea club rush ("Scirpus maritimus") are also recorded.Birds include mallard, coot, red warbler and sedge warbler.