1. Widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
   - tansy ragwort, ragweed, benweed, Senecio jacobaea 
2. American ragwort with yellow flowers
   - butterweed, Senecio glabellus

Derived forms: ragworts

Type of: weed, wild flower, wildflower

Part of: genus Senecio, Senecio

Encyclopedia: Ragwort

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