Washington State Weeds

European Coltsfoot

Tussilago farfara


Family Name: Asteraceae
Class: B
Other Names: coltsfoot, bullsfoot, coughwort, butterbur, horsehoof, foalswort, fieldhove, English tobacco, hallfoot
 Why is it a noxious weed? European coltsfoot is known to contain small amounts of toxic pyrrolizidine alkaloids, but they may be present in a small enough amount to not cause harm if the quantity, when used medicinally, is closely monitored.

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