| Pyrrocoma acuminata Rydb. | Pyrrocoma uniflora (Hook.) Greene trib. Astereae |
| Pyrrocoma cusickii | Pyrrocoma carthamoides Hook. trib. Astereae |
| Pyrrocoma demissa | Pyrrocoma apargioides Greene trib. Astereae |
| Pyrrocoma foliosa | Oönopsis foliosa (Torr. & A.Gray) Greene trib. Astereae |
| Pyrrocoma hallii | Columbiadoria hallii (A.Gray) G.L.Nesom trib. Astereae |
| Pyrrocoma inuloides | Pyrrocoma uniflora (Hook.) Greene trib. Astereae |
| Pyrrocoma lanulosa | Pyrrocoma hirta (A.Gray) Greene trib. Astereae |
| Pyrrocoma linearis | Pyrrocoma howellii (A.Gray) Greene trib. Astereae |
| Pyrrocoma linifolia | Haplopappus linifolius Reiche trib. Astereae |
| Pyrrocoma lyallii | Tonestus lyallii A.Nelson trib. Astereae |
| Pyrrocoma rigida | Pyrrocoma carthamoides Hook. trib. Astereae |
| Pyrrocoma sonchifolia | Pyrrocoma hirta (A.Gray) Greene trib. Astereae |