| Diapensia acutifolia | Diapensia himalaica Hook.f. & Thomson |
| Diapensia americana | Pyxidanthera barbulata Michx. |
| Diapensia barbulata | Pyxidanthera barbulata Michx. |
| Diapensia bulleyana | Diapensia purpurea Diels |
| Diapensia cuneifolia | Pyxidanthera barbulata Michx. |
| Diapensia japonica | Diapensia lapponica L. |
| Diapensia obtusifolia | Diapensia lapponica L. |