| Linanthastrum nuttallii (A.Gray) Ewan | Leptosiphon nuttallii (A.Gray) J.M.Porter & L.A.Johnson |
| Linanthastrum nuttallii pachyphyllum (R.Patt.) Cronquist | Leptosiphon pachyphyllus (R.Patt.) J.M.Porter & L.A.Johnson |
| Linanthastrum pachyphyllum (R.Patt.) D.W.Taylor | Leptosiphon pachyphyllus (R.Patt.) J.M.Porter & L.A.Johnson |