Description: An alien species with leaves rather like a coltsfoot (Tussilago) but with pure white flowers in multi-flowered inflorescences. Rare, and established only in a few shady places.

All names: Petasites albus (L.) Gaertner

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

iNaturalist: Petasites albus at iNaturalist World Species Observations database.