| Pseudocymopterus aletifolius Rydb. | Cymopterus anisatus A.Gray |
| Pseudocymopterus anisatus (A.Gray) J.M.Coult. & Rose | Cymopterus anisatus A.Gray |
| Pseudocymopterus anisatus longilobus (Rydb.) Tidestr. | Cymopterus hendersonii (J.M.Coult. & Rose) Cronquist |
| Pseudocymopterus bipinnatus (S.Watson) J.M.Coult. & Rose | Cymopterus nivalis S.Watson |
| Pseudocymopterus davidsonii (J.M.Coult. & Rose) Mathias | Cymopterus davidsonii (J.M.Coult. & Rose) R.L.Hartm. |
| Pseudocymopterus filicinus Wooton & Standl. | Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |
| Pseudocymopterus hendersonii J.M.Coult. & Rose | Cymopterus hendersonii (J.M.Coult. & Rose) Cronquist |
| Pseudocymopterus humboldtensis (M.E.Jones) Mathias | Cymopterus nivalis S.Watson |
| Pseudocymopterus macdougalii (J.M.Coult. & Rose) J.F.Sm. & al. | Cymopterus macdougalii (J.M.Coult. & Rose) Tidestr. |
| Pseudocymopterus montanus (A.Gray) J.M.Coult. & Rose | Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |
| Pseudocymopterus multifidus (Rydb,) Rydb. | Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |
| Pseudocymopterus nivalis (S.Watson) Mathias | Cymopterus nivalis S.Watson |
| Pseudocymopterus purpureus (J.M.Coult. & Rose) Rydb. | Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |
| Pseudocymopterus sylvaticus A.Nelson | Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |
| Pseudocymopterus tenuifolius (A.Gray) Rydb. | Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |
| Pseudocymopterus tidestromii J.M.Coult. & Rose | Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |
| Pseudocymopterus versicolor Rydb. | Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |