Petasites frigidus (Arctic butterbur or Arctic sweet
coltsfoot) is a species of Petasites native to Arctic to cool temperate regions of
Kaynak: Petasites frigidusOf concern is the health risk associated with the use of medicinal herbs that contain PAs, notably borage leaf, comfrey and
coltsfoot in
Kaynak: Pyrrolizidine alkaloiduncommon, while
coltsfoot, Tussilago farfara , and field sow-thistle, Sonchus arvensis , which entered the grassland during translocation, persist.
Kaynak: Thrislington Plantation