 Regularly
maintained field ditches are often species-rich and diverse.Notable species include Lesser Water-plantain ("Baldellia ranunculoides"), Tubular Water-dropwort ("Oenanthe fistulosa") and Hairlike Pondweed ("Potamogeton trichoides").The channels and banksides support a rich fauna; rare species include the water beetle ("Hydrophilus piceus") and the soldier fly ("Odontomyia ornata").