Description: A short, slender, rather wiry attractive little plant with white flowers and small opposite leaves, which have a swelling or 'knot' at the junction with the stem. It grows on sand dunes and damp sandy and peaty soils inland.

All names: Sagina nodosa (L.) Fenzl

Distribution Map from NBN: Sagina nodosa at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Sagina nodosa at iNaturalist World Species Observations database.