ragwort

(redirected from tansy ragwort)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia, Wikipedia.

ragwort

‘Senecio jacobaea’, a weed, controlled under the Weeds Act 1959 and the subject of extra provision in England and Wales in terms of the Ragwort Control Act 2003.
References in periodicals archive ?
On the other hand, tansy ragwort is common in dry areas of the West, and is indeed poisonous to animals, especially horses and cows.
Invasive Weeds" is about the tansy ragwort that can overtake hay and grass in fields and cause cattle to become ill or perish.
tansy ragwort, coltsfoot, hound's tongue), especially Senecio species, have long been problematic in the western United States and are well known for livestock poisonings.