| 0 | 53134 | 12E0100019 | 'Profesor Jelinek' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 7 | 12E0100019 ** |
| 1 | 53280 | 12E0100165 | 'Ibsen' | Rhododendron smirnowii Trautv. | unknown | | 7 | 12E0100165 ** |
| 2 | 53299 | 12E0100184 | 'Barmstedt' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100184 ** |
| 3 | 53300 | 12E0100185 | 'Hachmann's Belona' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100185 ** |
| 4 | 53306 | 12E0100191 | 'Fantastica' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100191 ** |
| 5 | 53330 | 12E0100215 | 'Hachmann's Porzellan' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100215 ** |
| 6 | 53343 | 12E0100228 | 'Schneekrone' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100228 ** |
| 7 | 53347 | 12E0100232 | 'Sonatine' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100232 ** |
| 8 | 53386 | 12E0100271 | 'Rendezvous' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100271 ** |
| 9 | 53453 | 12E0100338 | 'Odessa' | Rhododendron smirnowii Trautv. | unknown | | 7 | 12E0100338 ** |
| 10 | 53471 | 12E0100356 | 'Nicoletta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100356 ** |
| 11 | 53477 | 12E0100362 | 'Morgenrot' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100362 ** |
| 12 | 53479 | 12E0100364 | 'Bruns Diamant' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Germany | | 7 | 12E0100364 ** |
| 13 | 53517 | 12E0100402 | 'Edelweiss' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100402 ** |
| 14 | 53541 | 12E0100426 | 'Ken Janeck' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United States | | 7 | 12E0100426 ** |
| 15 | 53542 | 12E0100427 | 'Kings Ride' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100427 ** |
| 16 | 53550 | 12E0100435 | 'Silber' | Rhododendron makinoi Tagg ex Nakai | Germany | | 7 | 12E0100435 ** |
| 17 | 53568 | 12E0100453 | 'Hachmann's Rosenelfe' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100453 ** |
| 18 | 53570 | 12E0100455 | 'Schlaraffia' | Rhododendron hybr. | unknown | | 7 | 12E0100455 ** |
| 19 | 53573 | 12E0100458 | 'Silver Lady' | Rhododendron hybr. | Germany | | 7 | 12E0100458 ** |
| 20 | 53689 | 12E0100608 | 'Oslava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 7 | 12E0100608 ** |
| 21 | 53738 | 12E0100842 | 'Lenora' | Rhododendron ferrugineum L. | Czech Republic | | 7 | 12E0100842 ** |