| Azalea caucasica | Rhododendron caucasicum Pall. |
| Azalea fastigiata | Rhododendron fastigiatum Franch. |
| Azalea ferruginea | Rhododendron ferrugineum L. |
| Azalea fragrans | Rhododendron adamsii Rehder |
| Azalea lapponica | Rhododendron lapponicum (L.) Wahlenb. |
| Azalea multiflora | Rhododendron adamsii Rehder |
| Azalea nivalis | Rhododendron nivale Hook.f. |
| Azalea procumbens | Kalmia procumbens (L.) Gift & al. ex Galasso & al. |
| Azalea pumila | Rhododendron pumilum Hook.f. |
| Azalea redowskiana | Rhododendron redowskianum Maxim. |
| Azalea setosa | Rhododendron setosum D.Don |
| Azalea tschonoskii | Rhododendron tschonoskii Maxim. |