| Asteraceae | |
Cirsium arizonicum var. arizonicum
| | | |
| Asteraceae | |
Cirsium arizonicum var. bipinnatum
| (Eastw.) D.J. Keil | Sida 21(1): 209 | 2004 |
| Asteraceae | |
Cirsium arizonicum var. chellyense
| (R.J. Moore & Frankton) D.J. Keil | Sida 21(1): 209 | 2004 |
| Asteraceae | |
Cirsium arizonicum var. nidulum
| (M.E. Jones) S.L. Welsh | Great Basin Naturalist 43(2): 248 | 1983 |
| Asteraceae | |
Cirsium arizonicum var. rothrockii
| (A. Gray) D.J. Keil | Sida 21(1): 210 | 2004 |
| Asteraceae | |
Cirsium arizonicum var. tenuisectum
| D.J. Keil | Sida 21(1): 210–211 | 2004 |