| Lithophragma anemonoides | Lithophragma parviflorum (Hook.) Nutt. |
| Lithophragma australe | Lithophragma tenellum Nutt. |
| Lithophragma austromontanum | Lithophragma parviflorum (Hook.) Nutt. |
| Lithophragma bulbiferum | Lithophragma glabrum Nutt. |
| Lithophragma intermedium | Lithophragma affine A.Gray |
| Lithophragma rupicola | Lithophragma tenellum Nutt. |
| Lithophragma trilobum | Lithophragma heterophyllum (Hook. & Arn.) Torr. & A.Gray |
| Lithophragma williamsii | Conimitella williamsii (D.C.Eaton) Rydb. |