| Name | Senecio pseudaureus var. semicordatus (Mackenzie & Bush) T. M. Barkley |
| Authorship | (Mackenzie & Bush) T. M. Barkley |
| Rank | Variety |
| Placed in | Senecio pseudaureus Rydberg |
| Citation | 1962 Trans. Kansas Acad. Sci. 65(3): 341 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Senecio pseudaureus var. semicordatus (Mackenzie & Bush) T. M. Barkley |
| Identification made in | 1960 (1) |