Weeds of Western Australia - Ragwort (Senecio jacobaea L.)

Ragwort is a biennial or perennial herb native to Europe, Siberia and Northwestern India. It is recorded as a weed in parts of its natural habitat, particularly in England, and has also spread to other countries, including North America, New Zealand and Australia. In Canada it is found in all provinces on the Atlantic seaboard and also occurs in the United States. Conditions have proved very favourable in New Zealand where Ragwort thrives on large tracts of country