| ragwort | (n) ต้นไม้ป่ามีดอกไม้สีเหลือง, See also: ต้นไม้ที่เป็นพิษต่อวัวและม้า |
| ragwort | (n) widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity, Syn. Senecio jacobaea, benweed, ragweed, tansy ragwort |
| butterweed | (n) American ragwort with yellow flowers, Syn. ragwort, Senecio glabellus |
| golden groundsel | (n) weedy herb of the eastern United States to Texas having golden-yellow flowers; sometimes becomes invasive; sometimes placed in genus Senecio, Syn. golden ragwort, Packera aurea, Senecio aureus |
| Ragwort | n. (Bot.) A name given to several species of the composite genus ☞ Senecio aureus is the golden ragwort of the United States; Senecio elegans is the purple ragwort of South Africa. [ 1913 Webster ] |