| Apiaceae | |
Eryngium aristulatum var. aristulatum
| | | |
| Apiaceae | |
Eryngium aristulatum var. hooveri
| M.Y. Sheikh | Madroño 30(2): 98–100, f. 3 | 1983 |
| Apiaceae | |
Eryngium aristulatum subsp. parishii
| (J.M. Coult. & Rose) R.M. Beauch. | Phytologia 59(7): 437 | 1986 |
| Apiaceae | |
Eryngium aristulatum var. parishii
| (J.M. Coult. & Rose) Mathias & Constance | Amer. Midl. Naturalist 25(2): 386 | 1941 |