| Picradenia floribunda | Hymenoxys floribunda Cockerell trib. Helenieae |
| Picradenia helenioides | Hymenoxys helenioides (Rydb.) Cockerell trib. Helenieae |
| Picradenia lemmonii | Hymenoxys lemmonii (Greene) Cockerell trib. Helenieae |
| Picradenia richardsonii | Hymenoxys richardsonii (Hook.) Cockerell trib. Helenieae |
| Picradenia rusbyi | Hymenoxys rusbyi Cockerell trib. Helenieae |
| Picradenia vaseyi | Hymenoxys vaseyi Cockerell trib. Helenieae |