| Asteraceae | |
Senecio fremontii subsp. blitoides
| (Greene) W.A. Weber | Phytologia 53(3): 190 | 1983 |
| Asteraceae | |
Senecio fremontii var. blitoides
| (Greene) Cronquist | Vasc. Pl. Pacif. N.W. 5: 290 | 1955 |
| Asteraceae | |
Senecio fremontii var. fremontii
| | | |
| Asteraceae | |
Senecio fremontii var. inexpectatus
| Cronquist | Intermount. Fl. 5: 172, pl. s.n. [p. 173, upper left] | 1994 |
| Asteraceae | |
Senecio fremontii subsp. occidentalis
| (A. Gray) G.W. Douglas & Ruyle-Douglas | Canad. J. Bot. 56(14): 1710 | 1978 |
| Asteraceae | |
Senecio fremontii var. occidentalis
| A. Gray | Bot. California 1: 618 | 1876 |