| Cynara humilis | Wild thistle | Asteraceae | Heterotypic Synonyms: Bourgaea humilis Coss. Bourgaea humilis var. cyanea Coss. Bourgaea humilis var. leucantha Coss. C. humilis var. lacinulata Brot. C. humilis var. leucantha (Coss.) Pérez Lara. C. humilis var. reflexa Batt. ex Jahand. & Maire. C. humilis var. typica Maire. | 2 | 1 |
| Inula britannica | Xuan Fu Hua, British yellowhead | Asteraceae | | 0 | 3 |
| Inula britannica chinensis | Xuan Fu Hua | Asteraceae | | 1 | 3 |
| Inula conyza | Ploughman's Spikenard | Asteraceae | I. squarrosa. non L. Conyza squarrosa. | 0 | 1 |
| Inula helenium | Elecampane, Elecampane inula | Asteraceae | Aster helenium. Aster officinalis. Corvisartia helenium. Helenium grandiflorum. | 3 | 3 |