Description: An unusual annual herbaceous species from North America which is established at one site in south Belfast and occasionally turns up as a garden weed or casual elewhere.

All names: Claytonia perfoliata Donn ex Willd.; Montia perfoliata (Donn ex Willd.) Howell

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

iNaturalist: Claytonia perfoliata at iNaturalist World Species Observations database.