| Pappothrix cernua | Laphamia cernua Greene trib. Heliantheae |
| Pappothrix cinerea | Laphamia cinerea A.Gray trib. Heliantheae |
| Pappothrix quinqueflora | Laphamia quinqueflora Steyerm. trib. Heliantheae |
| Pappothrix rupestris | Laphamia rupestris A.Gray trib. Heliantheae |