| Rhodothamnus camtschaticus (Pall.) Peterm. | Rhododendron camtschaticum Pall. |
| Rhodothamnus leachianus (L.F.Hend.) H.F.Copel. | Kalmiopsis leachiana (L.F.Hend.) Rehder |
| Rhodothamnus camtschaticus (Pall.) Peterm. | Rhododendron camtschaticum Pall. |
| Rhodothamnus leachianus (L.F.Hend.) H.F.Copel. | Kalmiopsis leachiana (L.F.Hend.) Rehder |