| Sullivantia halmicola A.Nelson | Sullivantia hapemanii (J.M.Coult. & Fisher) J.Coult. |
| Sullivantia oregana hapemanii (J.M.Coult. & Fisher) Rosend. | Sullivantia hapemanii (J.M.Coult. & Fisher) J.Coult. |
| Sullivantia halmicola A.Nelson | Sullivantia hapemanii (J.M.Coult. & Fisher) J.Coult. |
| Sullivantia oregana hapemanii (J.M.Coult. & Fisher) Rosend. | Sullivantia hapemanii (J.M.Coult. & Fisher) J.Coult. |