| 0 | 53143 | 12E0100028 | 'America' | Rhododendron hybr. | | Netherlands | | absent | | | 12E0100028 ** |
| 1 | 53157 | 12E0100042 | 'Edward S. Rand' | Rhododendron catawbiense Michx. | | United Kingdom | | absent | | | 12E0100042 ** |
| 2 | 53171 | 12E0100056 | 'Hugh Koster' | Rhododendron hybr. | | Netherlands | | absent | | | 12E0100056 ** |
| 3 | 53183 | 12E0100068 | 'Marchioness of Landsdowne' | Rhododendron maximum L. | | United Kingdom | | absent | | | 12E0100068 ** |
| 4 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | | unknown | | absent | | | 12E0100126 ** |
| 5 | 53246 | 12E0100131 | 'Emma' | Rhododendron catawbiense Michx. | | Germany | | absent | | | 12E0100131 ** |
| 6 | 53252 | 12E0100137 | 'Mount Everest' | Rhododendron hybr. | | United Kingdom | | absent | | | 12E0100137 ** |
| 7 | 53266 | 12E0100151 | 'Goldfort' | Rhododendron fortunei Lindl. subsp. fortunei | | United Kingdom | | absent | | | 12E0100151 ** |
| 8 | 53269 | 12E0100154 | 'H. Halven' | Rhododendron hybr. | | unknown | | absent | | | 12E0100154 ** |
| 9 | 53271 | 12E0100156 | 'Harvest Moon' | Rhododendron campylocarpum Hook. f. | | Netherlands | | absent | | | 12E0100156 ** |
| 10 | 53289 | 12E0100174 | 'Midsummer' | Rhododendron maximum L. | | United Kingdom | | absent | | | 12E0100174 ** |
| 11 | 53314 | 12E0100199 | 'Breslau' | Rhododendron wardii W. W. Sm. | | Germany | | absent | | | 12E0100199 ** |
| 12 | 53341 | 12E0100226 | 'Royal Pink' | Rhododendron williamsianum Rehder & E. H. Wilson | | Germany | | absent | | | 12E0100226 ** |
| 13 | 53360 | 12E0100245 | 'Volker' | Rhododendron hybr. | | Germany | | absent | | | 12E0100245 ** |
| 14 | 53365 | 12E0100250 | 'Bibber' | Rhododendron catawbiense Michx. | | Germany | | absent | | | 12E0100250 ** |
| 15 | 53366 | 12E0100251 | 'Herzas' | Rhododendron wardii W. W. Sm. | | Germany | | absent | | | 12E0100251 ** |
| 16 | 53388 | 12E0100273 | 'Roselyn' | Rhododendron insigne Hemsl. & E. H. Wilson | | Germany | | absent | | | 12E0100273 ** |
| 17 | 53423 | 12E0100308 | 'Susan' | Rhododendron hybr. | | United Kingdom | | absent | | | 12E0100308 ** |
| 18 | 53428 | 12E0100313 | 'Emden' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | | Germany | | absent | | | 12E0100313 ** |
| 19 | 53431 | 12E0100316 | 'Cornelia Schroeder' | Rhododendron hybr. | | Germany | | absent | | | 12E0100316 ** |
| 20 | 53438 | 12E0100323 | 'Bruns Schneewittchen' | Rhododendron insigne Hemsl. & E. H. Wilson | | Germany | | absent | | | 12E0100323 ** |
| 21 | 53473 | 12E0100358 | 'Puccini' | Rhododendron hybr. | | Germany | | absent | | | 12E0100358 ** |
| 22 | 53495 | 12E0100380 | 'Nigrescens' | Rhododendron hybr. | | United Kingdom | | absent | | | 12E0100380 ** |
| 23 | 53577 | 12E0100462 | 'The General' | Rhododendron catawbiense Michx. | | United States | | absent | | | 12E0100462 ** |
| 24 | 53143 | 12E0100028 | 'America' | Rhododendron hybr. | | Netherlands | | nevyskytuje se | | | 12E0100028 ** |
| 25 | 53157 | 12E0100042 | 'Edward S. Rand' | Rhododendron catawbiense Michx. | | United Kingdom | | nevyskytuje se | | | 12E0100042 ** |
| 26 | 53171 | 12E0100056 | 'Hugh Koster' | Rhododendron hybr. | | Netherlands | | nevyskytuje se | | | 12E0100056 ** |
| 27 | 53183 | 12E0100068 | 'Marchioness of Landsdowne' | Rhododendron maximum L. | | United Kingdom | | nevyskytuje se | | | 12E0100068 ** |
| 28 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | | unknown | | nevyskytuje se | | | 12E0100126 ** |
| 29 | 53246 | 12E0100131 | 'Emma' | Rhododendron catawbiense Michx. | | Germany | | nevyskytuje se | | | 12E0100131 ** |
| 30 | 53252 | 12E0100137 | 'Mount Everest' | Rhododendron hybr. | | United Kingdom | | nevyskytuje se | | | 12E0100137 ** |
| 31 | 53266 | 12E0100151 | 'Goldfort' | Rhododendron fortunei Lindl. subsp. fortunei | | United Kingdom | | nevyskytuje se | | | 12E0100151 ** |
| 32 | 53269 | 12E0100154 | 'H. Halven' | Rhododendron hybr. | | unknown | | nevyskytuje se | | | 12E0100154 ** |
| 33 | 53271 | 12E0100156 | 'Harvest Moon' | Rhododendron campylocarpum Hook. f. | | Netherlands | | nevyskytuje se | | | 12E0100156 ** |
| 34 | 53289 | 12E0100174 | 'Midsummer' | Rhododendron maximum L. | | United Kingdom | | nevyskytuje se | | | 12E0100174 ** |
| 35 | 53314 | 12E0100199 | 'Breslau' | Rhododendron wardii W. W. Sm. | | Germany | | nevyskytuje se | | | 12E0100199 ** |
| 36 | 53341 | 12E0100226 | 'Royal Pink' | Rhododendron williamsianum Rehder & E. H. Wilson | | Germany | | nevyskytuje se | | | 12E0100226 ** |
| 37 | 53360 | 12E0100245 | 'Volker' | Rhododendron hybr. | | Germany | | nevyskytuje se | | | 12E0100245 ** |
| 38 | 53365 | 12E0100250 | 'Bibber' | Rhododendron catawbiense Michx. | | Germany | | nevyskytuje se | | | 12E0100250 ** |
| 39 | 53366 | 12E0100251 | 'Herzas' | Rhododendron wardii W. W. Sm. | | Germany | | nevyskytuje se | | | 12E0100251 ** |
| 40 | 53388 | 12E0100273 | 'Roselyn' | Rhododendron insigne Hemsl. & E. H. Wilson | | Germany | | nevyskytuje se | | | 12E0100273 ** |
| 41 | 53423 | 12E0100308 | 'Susan' | Rhododendron hybr. | | United Kingdom | | nevyskytuje se | | | 12E0100308 ** |
| 42 | 53428 | 12E0100313 | 'Emden' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | | Germany | | nevyskytuje se | | | 12E0100313 ** |
| 43 | 53431 | 12E0100316 | 'Cornelia Schroeder' | Rhododendron hybr. | | Germany | | nevyskytuje se | | | 12E0100316 ** |
| 44 | 53438 | 12E0100323 | 'Bruns Schneewittchen' | Rhododendron insigne Hemsl. & E. H. Wilson | | Germany | | nevyskytuje se | | | 12E0100323 ** |
| 45 | 53473 | 12E0100358 | 'Puccini' | Rhododendron hybr. | | Germany | | nevyskytuje se | | | 12E0100358 ** |
| 46 | 53495 | 12E0100380 | 'Nigrescens' | Rhododendron hybr. | | United Kingdom | | nevyskytuje se | | | 12E0100380 ** |
| 47 | 53577 | 12E0100462 | 'The General' | Rhododendron catawbiense Michx. | | United States | | nevyskytuje se | | | 12E0100462 ** |