| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Senecio ampullaceus | Texas Groundsel | Pastures, fields, other open, sandy or disturbed areas. | Sw. Arkansas and se. Oklahoma south to ne. Louisiana and s. Texas. |  (c) Hill, Sonnia |
| Asteraceae | Senecio brasiliensis var. tripartitus | Hempleaf Ragwort | Disturbed areas (on ballast); rare (not collected since 1894, Pensacola, Escambia County, FL). | Native of South America. | |
| Asteraceae | Senecio quaylei | Quayle's Ragwort, Quayle's Butterweed | Disturbed area (roadside ditch). | Apparently endemic to Parker County, Texas. |  (c) O'Kennon, Bob - CC-BY-NC |
| Asteraceae | Senecio riddellii | Riddell's Ragwort | Floodplains, other seasonally ponded areas. Also in dry, sandy habitats (prairies, dunes, sandy loams, roadsides, and other similar grasslands). | South Dakota and Wyoming south to se. Texas, New Mexico, Arizona, and n. Mexico (Coahuila, Nuevo León, Tamaulipas). |  (c) Wong, Michelle - CC-BY |
| Asteraceae | Senecio sylvaticus | Woodland Ragwort | Disturbed areas. | Native of Europe. | |
| Asteraceae | Senecio viscosus | Sticky Groundsel | Disturbed areas. | Native of Europe. |  (c) Bas, Yves - CC-BY |
| Asteraceae | Senecio vulgaris | Groundsel | Roadsides, fields, disturbed areas. | Native of Eurasia. |  (c) Bradley, Keith |