| Actinella bigelovii | Hymenoxys bigelovii (A.Gray) K.F.Parker trib. Helenieae |
| Actinella bradegeei | Hymenoxys brandegeei (Porter ex A.Gray) K.F.Parker trib. Helenieae |
| Actinella carnosa | Chamaechaenactis scaposa Rydb. trib. Helenieae |
| Actinella epunctata | Tetraneuris epunctata A.Nelson trib. Helenieae |
| Actinella grandiflora | Hymenoxys grandiflora (Torr. & A.Gray) K.F.Parker trib. Helenieae |
| Actinella lanata | Eriophyllum lanatum (Pursh) J.Forbes trib. Helenieae |
| Actinella palmeri | Plateilema palmeri Cockerell trib. Helenieae |
| Actinella rusbyi | Hymenoxys rusbyi Cockerell trib. Helenieae |
| Actinella torreyana | Tetraneuris torreyana (Nutt.) Greene trib. Helenieae |
| Actinella vaseyi | Hymenoxys vaseyi Cockerell trib. Helenieae |