| Casselia davurica (Sims) Dum. | Mertensia davurica (Sims) G.Don |
| Casselia maritima (L.) Dumort. | Mertensia maritima (L.) S.F.Gray |
| Casselia paniculata (Aiton) Dumort. | Mertensia paniculata (Aiton) G.Don |
| Casselia virginica (L.) Dumort. | Mertensia virginica (L.) Pers. ex Link |