| packera | (n) genus of American of east Asian perennial herbs with yellow to orange or red flower rays; sometimes included in genus Senecio, Syn. genus Packera |
| 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 |
| Packera | prop. n. A genus of American or East Asian perennial herbs with yellow to orange or red flower rays; it is sometimes included in genus |