| Asteraceae | |
Haplopappus carthamoides subsp. carthamoides
| | | |
| Asteraceae | |
Haplopappus carthamoides var. carthamoides
| | | |
| Asteraceae | |
Haplopappus carthamoides subsp. cusickii
| (A. Gray) H.M. Hall | Publ. Carnegie Inst. Wash. 389: 104 | 1928 |
| Asteraceae | |
Haplopappus carthamoides var. cusickii
| A. Gray | Syn. Fl. N. Amer. 1(2): 126 | 1884 |
| Asteraceae | |
Haplopappus carthamoides subsp. erythropappus
| (Rydb.) H.M. Hall | Publ. Carnegie Inst. Wash. 389: 105 | 1928 |
| Asteraceae | |
Haplopappus carthamoides var. erythropappus
| (Rydb.) H. St. John | Fl. SE. Washington 455 | 1937 |
| Asteraceae | |
Haplopappus carthamoides subsp. maximus
| (A. Gray) H.M. Hall | Publ. Carnegie Inst. Wash. 389: 102–103 | 1928 |
| Asteraceae | |
Haplopappus carthamoides var. maximus
| A. Gray | Syn. Fl. N. Amer. 1(2): 126 | 1884 |
| Asteraceae | |
Haplopappus carthamoides subsp. rigidus
| (Rydb.) H.M. Hall | Publ. Carnegie Inst. Wash. 389: 103 | 1928 |
| Asteraceae | |
Haplopappus carthamoides var. rigidus
| (Rydb.) M. Peck | Man. Pl. Oregon 712 | 1941 |
| Asteraceae | |
Haplopappus carthamoides subsp. subsquarrosus
| (Greene) H.M. Hall | Publ. Carnegie Inst. Wash. 389: 104 | 1928 |
| Asteraceae | |
Haplopappus carthamoides var. subsquarrosus
| (Greene) Dorn | Vasc. Pl. Wyoming 295 | 1988 |
| Asteraceae | ** |
Haplopappus carthamoides subsp. typicus
| H.M. Hall | Publ. Carnegie Inst. Wash. 389: 103 | 1928 |