Senecio jacobaea
![Senecio jacobaea_tansy ragwort_JM DiTomaso](https://www.cal-ipc.org/wp-content/uploads/2017/10/Senecio-jacobaea_tansy-ragwort_JM-DiTomaso-300x225.jpg)
- Common name(s): tansy ragwort; stinking willie; stavewort; kettle-dock; felonweed; Fairies' horse; tansy butterweed; staggerwort
- Synonym(s):
- All names: Senecio jacobaea, tansy ragwort, stinking willie, stavewort, kettle-dock, felonweed, Fairies' horse, tansy butterweed, staggerwort