Description: A straggling, weak plant with thin stems and whorls of small leaves at the nodes. The white flowers are tiny, but often produced in great masses so that where the plant is luxuriant they are very conspicuous among the other plants of a fen or marsh.

All names: Galium palustre L.; Galium palustre agg. L. sensu lato

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

iNaturalist: Galium palustre at iNaturalist World Species Observations database.