| 0 | 53121 | 12E0100006 | 'Don Juan' | Rhododendron hybr. | Czechoslovakia | | 4 | 12E0100006 ** |
| 1 | 53124 | 12E0100009 | 'Hurvinek' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 4 | 12E0100009 ** |
| 2 | 53125 | 12E0100010 | 'Lajka' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 4 | 12E0100010 ** |
| 3 | 53128 | 12E0100013 | 'Milan' | Rhododendron hybr. | Czechoslovakia | | 4 | 12E0100013 ** |
| 4 | 53146 | 12E0100031 | 'Bernstein' | Rhododendron hybr. | Germany | | 4 | 12E0100031 ** |
| 5 | 53150 | 12E0100035 | 'Caractacus' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100035 ** |
| 6 | 53157 | 12E0100042 | 'Edward S. Rand' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100042 ** |
| 7 | 53162 | 12E0100047 | 'General Grant' | Rhododendron catawbiense Michx. | United States | | 4 | 12E0100047 ** |
| 8 | 53169 | 12E0100054 | 'Holbein' | Rhododendron hybr. | Germany | | 4 | 12E0100054 ** |
| 9 | 53172 | 12E0100057 | 'Hymen' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100057 ** |
| 10 | 53174 | 12E0100059 | 'Kokardia' | Rhododendron hybr. | Germany | | 4 | 12E0100059 ** |
| 11 | 53184 | 12E0100069 | 'Margot' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100069 ** |
| 12 | 53188 | 12E0100073 | 'Myrte' | Rhododendron hybr. | Germany | | 4 | 12E0100073 ** |
| 13 | 53190 | 12E0100075 | 'Ortrud' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100075 ** |
| 14 | 53199 | 12E0100084 | 'Verbesserte Adriaan Koster' | Rhododendron hybr. | Netherlands | | 4 | 12E0100084 ** |
| 15 | 53204 | 12E0100089 | 'Allah' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100089 ** |
| 16 | 53207 | 12E0100092 | 'Mrs Furnivall' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100092 ** |
| 17 | 53210 | 12E0100095 | 'Mrs Davies Evans' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100095 ** |
| 18 | 53214 | 12E0100099 | 'Baden Baden' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 4 | 12E0100099 ** |
| 19 | 53229 | 12E0100114 | 'Darius' | Rhododendron smirnowii Trautv. | Germany | | 4 | 12E0100114 ** |
| 20 | 53235 | 12E0100120 | 'Direktoer E. Hjelm' | Rhododendron fortunei Lindl. subsp. fortunei | Netherlands | | 4 | 12E0100120 ** |
| 21 | 53236 | 12E0100121 | 'Dora Weissbach' | Rhododendron hybr. | unknown | | 4 | 12E0100121 ** |
| 22 | 53238 | 12E0100123 | 'Doktor h. c. Alexander Steffen' | Rhododendron hybr. | unknown | | 4 | 12E0100123 ** |
| 23 | 53240 | 12E0100125 | 'Doctor V. H. Rutgers' | Rhododendron hybr. | Netherlands | | 4 | 12E0100125 ** |
| 24 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 4 | 12E0100126 ** |
| 25 | 53242 | 12E0100127 | 'Duke of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 4 | 12E0100127 ** |
| 26 | 53246 | 12E0100131 | 'Emma' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100131 ** |
| 27 | 53256 | 12E0100141 | 'Florence Sarah Smith' | Rhododendron hybr. | unknown | | 4 | 12E0100141 ** |
| 28 | 53265 | 12E0100150 | 'Goldfinch' | Rhododendron wardii W. W. Sm. | unknown | | 4 | 12E0100150 ** |
| 29 | 53291 | 12E0100176 | 'Mrs John Clutton' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100176 ** |
| 30 | 53294 | 12E0100179 | 'Lord Fairhaven' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100179 ** |
| 31 | 53297 | 12E0100182 | 'Anuschka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100182 ** |
| 32 | 53298 | 12E0100183 | 'Bambola' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100183 ** |
| 33 | 53299 | 12E0100184 | 'Barmstedt' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100184 ** |
| 34 | 53304 | 12E0100189 | 'Daniela' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100189 ** |
| 35 | 53310 | 12E0100195 | 'Hero' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100195 ** |
| 36 | 53319 | 12E0100204 | 'Madame Carvalho' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100204 ** |
| 37 | 53322 | 12E0100207 | 'Mrs P. den Ouden' | Rhododendron hybr. | Netherlands | | 4 | 12E0100207 ** |
| 38 | 53326 | 12E0100211 | 'Oudijk's Sensation' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100211 ** |
| 39 | 53332 | 12E0100217 | 'Progres' | Rhododendron caucasicum Pall. | unknown | | 4 | 12E0100217 ** |
| 40 | 53336 | 12E0100221 | 'Renata' | Rhododendron hybr. | Germany | | 4 | 12E0100221 ** |
| 41 | 53340 | 12E0100225 | 'Hachmann's Rosita' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100225 ** |
| 42 | 53341 | 12E0100226 | 'Royal Pink' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100226 ** |
| 43 | 53342 | 12E0100227 | 'Scharnhorst' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100227 ** |
| 44 | 53344 | 12E0100229 | 'Schneewolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100229 ** |
| 45 | 53345 | 12E0100230 | 'Silberwolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100230 ** |
| 46 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 4 | 12E0100231 ** |
| 47 | 53347 | 12E0100232 | 'Sonatine' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100232 ** |
| 48 | 53350 | 12E0100235 | 'Brigitte' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 4 | 12E0100235 ** |
| 49 | 53352 | 12E0100237 | 'Van Weerden Poelman' | Rhododendron hybr. | Netherlands | | 4 | 12E0100237 ** |
| 50 | 53357 | 12E0100242 | 'Elisabeth Hobbie' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 4 | 12E0100242 ** |
| 51 | 53363 | 12E0100248 | 'Bad Eilsen' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 4 | 12E0100248 ** |
| 52 | 53374 | 12E0100259 | 'Hachmann's Polaris' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100259 ** |
| 53 | 53375 | 12E0100260 | 'Maharani' | Rhododendron hybr. | Germany | | 4 | 12E0100260 ** |
| 54 | 53376 | 12E0100261 | 'Margret' | Rhododendron smirnowii Trautv. | Germany | | 4 | 12E0100261 ** |
| 55 | 53377 | 12E0100262 | 'Obergaertner Robenek' | Rhododendron hybr. | Germany | | 4 | 12E0100262 ** |
| 56 | 53379 | 12E0100264 | 'Hachmann's Ornament' | Rhododendron hybr. | Germany | | 4 | 12E0100264 ** |
| 57 | 53383 | 12E0100268 | 'Purple Splendour' | Rhododendron ponticum L. | United Kingdom | | 4 | 12E0100268 ** |
| 58 | 53386 | 12E0100271 | 'Rendezvous' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100271 ** |
| 59 | 53391 | 12E0100276 | 'Schneebukett' | Rhododendron hybr. | Germany | | 4 | 12E0100276 ** |
| 60 | 53393 | 12E0100278 | 'Van Der Hoop' | Rhododendron hybr. | Netherlands | | 4 | 12E0100278 ** |
| 61 | 53395 | 12E0100280 | 'Vorwerk Abendsonne' | Rhododendron hybr. | Germany | | 4 | 12E0100280 ** |
| 62 | 53399 | 12E0100284 | 'Anna Robenek' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 4 | 12E0100284 ** |
| 63 | 53402 | 12E0100287 | 'Kluis Sensation' | Rhododendron griffithianum Wight | Netherlands | | 4 | 12E0100287 ** |
| 64 | 53404 | 12E0100289 | 'Papilionaceum' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100289 ** |
| 65 | 53410 | 12E0100295 | 'Alfred' | Rhododendron hybr. | Germany | | 4 | 12E0100295 ** |
| 66 | 53413 | 12E0100298 | 'Cheer' | Rhododendron catawbiense Michx. | United States | | 4 | 12E0100298 ** |
| 67 | 53414 | 12E0100299 | 'Hachmann's Constanze' | Rhododendron hybr. | Germany | | 4 | 12E0100299 ** |
| 68 | 53419 | 12E0100304 | 'Old Port' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100304 ** |
| 69 | 53425 | 12E0100310 | 'Goerlitz' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100310 ** |
| 70 | 53428 | 12E0100313 | 'Emden' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100313 ** |
| 71 | 53448 | 12E0100333 | 'Tibet' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100333 ** |
| 72 | 53450 | 12E0100335 | 'Silvia' | Rhododendron hybr. | Germany | | 4 | 12E0100335 ** |
| 73 | 53459 | 12E0100344 | 'Azurro' | Rhododendron hybr. | Germany | | 4 | 12E0100344 ** |
| 74 | 53462 | 12E0100347 | 'Rasputin' | Rhododendron hybr. | Germany | | 4 | 12E0100347 ** |
| 75 | 53463 | 12E0100348 | 'Polarnacht' | Rhododendron hybr. | Germany | | 4 | 12E0100348 ** |
| 76 | 53472 | 12E0100357 | 'Konsonanz' | Rhododendron hybr. | Germany | | 4 | 12E0100357 ** |
| 77 | 53475 | 12E0100360 | 'Malwine' | Rhododendron hybr. | Germany | | 4 | 12E0100360 ** |
| 78 | 53476 | 12E0100361 | 'Sonare' | Rhododendron hybr. | Germany | | 4 | 12E0100361 ** |
| 79 | 53477 | 12E0100362 | 'Morgenrot' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100362 ** |
| 80 | 53479 | 12E0100364 | 'Bruns Diamant' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Germany | | 4 | 12E0100364 ** |
| 81 | 53480 | 12E0100365 | 'Eruption' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 4 | 12E0100365 ** |
| 82 | 53508 | 12E0100393 | 'Buketta' | Rhododendron hybr. | Germany | | 4 | 12E0100393 ** |
| 83 | 53518 | 12E0100403 | 'Saturnus' | Rhododendron hybr. | Netherlands | | 4 | 12E0100403 ** |
| 84 | 53523 | 12E0100408 | 'Francesca' | Rhododendron hybr. | United States | | 4 | 12E0100408 ** |
| 85 | 53540 | 12E0100425 | 'Radiant' | Rhododendron hybr. | Netherlands | | 4 | 12E0100425 ** |
| 86 | 53544 | 12E0100429 | 'Lady Longman' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100429 ** |
| 87 | 53547 | 12E0100432 | 'Lavendelzauber' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100432 ** |
| 88 | 53559 | 12E0100444 | 'Pride of Cambridge' | Rhododendron hybr. | unknown | | 4 | 12E0100444 ** |
| 89 | 53567 | 12E0100452 | 'Rosa Perle' | Rhododendron makinoi Tagg ex Nakai | Germany | | 4 | 12E0100452 ** |
| 90 | 53574 | 12E0100459 | 'Sneezy' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 4 | 12E0100459 ** |
| 91 | 53577 | 12E0100462 | 'The General' | Rhododendron catawbiense Michx. | United States | | 4 | 12E0100462 ** |
| 92 | 53581 | 12E0100466 | 'Kalamaika' | Rhododendron hybr. | Germany | | 4 | 12E0100466 ** |
| 93 | 53598 | 12E0100483 | 'Golden Flare' | Rhododendron hybr. | Netherlands | | 4 | 12E0100483 ** |
| 94 | 53601 | 12E0100486 | 'Goldtopas' | Rhododendron hybr. | Germany | | 4 | 12E0100486 ** |
| 95 | 53614 | 12E0100499 | 'Spaetlese' | Rhododendron hybr. | unknown | | 4 | 12E0100499 ** |
| 96 | 53625 | 12E0100510 | 'Corneille' | Rhododendron hybr. | unknown | | 4 | 12E0100510 ** |
| 97 | 53631 | 12E0100516 | 'Doria' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 4 | 12E0100516 ** |
| 98 | 53632 | 12E0100517 | 'Duque de San Lucar' | Rhododendron hybr. | unknown | | 4 | 12E0100517 ** |
| 99 | 53647 | 12E0100533 | 'George Cunningham' | Rhododendron hybr. | unknown | | 4 | 12E0100533 ** |
| 100 | 53654 | 12E0100540 | 'Graziella' | Rhododendron hybr. | Germany | Historic | 4 | 12E0100540 ** |
| 101 | 53663 | 12E0100549 | 'Karolina Svetla' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100549 ** |
| 102 | 53665 | 12E0100551 | 'Zofie Podlipska' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100551 ** |
| 103 | 53667 | 12E0100553 | 'Fuego' | Rhododendron haematodes Franch. | Germany | | 4 | 12E0100553 ** |
| 104 | 53686 | 12E0100605 | 'Labe' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100605 ** |
| 105 | 53689 | 12E0100608 | 'Oslava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100608 ** |
| 106 | 53690 | 12E0100609 | 'Otava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100609 ** |
| 107 | 53693 | 12E0100612 | 'Ledikanense' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czechoslovakia | | 4 | 12E0100612 ** |
| 108 | 53695 | 12E0100702 | 'Largo' | Rhododendron forrestii Balf. f. ex Diels | Czechoslovakia | | 4 | 12E0100702 ** |
| 109 | 53696 | 12E0100703 | 'Ma vlast' | Rhododendron forrestii Balf. f. ex Diels | Czechoslovakia | | 4 | 12E0100703 ** |
| 110 | 53700 | 12E0100804 | 'Ann Lindsay' | Rhododendron hybr. | Germany | | 4 | 12E0100804 ** |
| 111 | 53707 | 12E0100811 | 'Frank Galsworthy' | Rhododendron ponticum L. | United Kingdom | | 4 | 12E0100811 ** |
| 112 | 53720 | 12E0100824 | 'Turkana' | Rhododendron hybr. | Germany | | 4 | 12E0100824 ** |
| 113 | 53726 | 12E0100830 | 'Hermine Seidel' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100830 ** |
| 114 | 53729 | 12E0100833 | 'Taurus' | Rhododendron catawbiense Michx. | United States | | 4 | 12E0100833 ** |
| 115 | 53746 | 12E0100850 | 'Fuellhorn' | Rhododendron hybr. | Germany | | 4 | 12E0100850 ** |
| 116 | 53753 | 12E0100857 | 'Orlik' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100857 ** |
| 117 | 53755 | 12E0100859 | 'Kokorin' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100859 ** |
| 118 | 53757 | 12E0100861 | 'Karlstejn' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100861 ** |
| 119 | 53758 | 12E0100862 | 'Becov' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100862 ** |
| 120 | 53764 | 12E0100868 | 'Golden Eagle' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100868 ** |
| 121 | 65600 | 12E0100882 | 'Klenova' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100882 ** |
| 122 | 65825 | 12E0100885 | 'Zvikov' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100885 ** |
| 123 | 65918 | 12E0100893 | 'Hachmann's Mercator' | Rhododendron hybr. | Germany | | 4 | 12E0100893 ** |