| 0 | 53119 | 12E0100004 | 'Bohumil Kavka' | Rhododendron hybr. | Czechoslovakia | | 9 | 12E0100004 ** |
| 1 | 53122 | 12E0100007 | 'Eva' | Rhododendron hybr. | Czechoslovakia | | 9 | 12E0100007 ** |
| 2 | 53146 | 12E0100031 | 'Bernstein' | Rhododendron hybr. | Germany | | 9 | 12E0100031 ** |
| 3 | 53147 | 12E0100032 | 'Blue Danube' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 9 | 12E0100032 ** |
| 4 | 53161 | 12E0100046 | 'Furnivall's Daughter' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100046 ** |
| 5 | 53167 | 12E0100052 | 'Gudrun' | Rhododendron hybr. | Germany | | 9 | 12E0100052 ** |
| 6 | 53170 | 12E0100055 | 'Holger' | Rhododendron hybr. | Germany | | 9 | 12E0100055 ** |
| 7 | 53174 | 12E0100059 | 'Kokardia' | Rhododendron hybr. | Germany | | 9 | 12E0100059 ** |
| 8 | 53176 | 12E0100061 | 'Lady Annette de Trafford' | Rhododendron maximum L. | United Kingdom | | 9 | 12E0100061 ** |
| 9 | 53178 | 12E0100063 | 'Lady Clermont' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100063 ** |
| 10 | 53182 | 12E0100067 | 'Madame Masson' | Rhododendron hybr. | France | | 9 | 12E0100067 ** |
| 11 | 53183 | 12E0100068 | 'Marchioness of Landsdowne' | Rhododendron maximum L. | United Kingdom | | 9 | 12E0100068 ** |
| 12 | 53207 | 12E0100092 | 'Mrs Furnivall' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100092 ** |
| 13 | 53209 | 12E0100094 | 'Anton' | Rhododendron catawbiense Michx. | Germany | | 9 | 12E0100094 ** |
| 14 | 53218 | 12E0100103 | 'Madame Jules Porges' | Rhododendron hybr. | France | | 9 | 12E0100103 ** |
| 15 | 53219 | 12E0100104 | 'Blue Ensign' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100104 ** |
| 16 | 53231 | 12E0100116 | 'Delta' | Rhododendron hybr. | Germany | | 9 | 12E0100116 ** |
| 17 | 53239 | 12E0100124 | 'Madame Linden' | Rhododendron hybr. | Germany | | 9 | 12E0100124 ** |
| 18 | 53265 | 12E0100150 | 'Goldfinch' | Rhododendron wardii W. W. Sm. | unknown | | 9 | 12E0100150 ** |
| 19 | 53271 | 12E0100156 | 'Harvest Moon' | Rhododendron campylocarpum Hook. f. | Netherlands | | 9 | 12E0100156 ** |
| 20 | 53277 | 12E0100162 | 'Humboldt' | Rhododendron catawbiense Michx. | Germany | | 9 | 12E0100162 ** |
| 21 | 53280 | 12E0100165 | 'Ibsen' | Rhododendron smirnowii Trautv. | unknown | | 9 | 12E0100165 ** |
| 22 | 53315 | 12E0100200 | 'Lamentosa' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100200 ** |
| 23 | 53316 | 12E0100201 | 'Leopardii' | Rhododendron arboreum Sm. | United Kingdom | | 9 | 12E0100201 ** |
| 24 | 53319 | 12E0100204 | 'Madame Carvalho' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100204 ** |
| 25 | 53330 | 12E0100215 | 'Hachmann's Porzellan' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100215 ** |
| 26 | 53332 | 12E0100217 | 'Progres' | Rhododendron caucasicum Pall. | unknown | | 9 | 12E0100217 ** |
| 27 | 53344 | 12E0100229 | 'Schneewolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100229 ** |
| 28 | 53368 | 12E0100253 | 'Julischka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100253 ** |
| 29 | 53369 | 12E0100254 | 'Hachmann's Junifeuer' | Rhododendron hybr. | Germany | | 9 | 12E0100254 ** |
| 30 | 53379 | 12E0100264 | 'Hachmann's Ornament' | Rhododendron hybr. | Germany | | 9 | 12E0100264 ** |
| 31 | 53398 | 12E0100283 | 'Ammerland' | Rhododendron hybr. | Germany | | 9 | 12E0100283 ** |
| 32 | 53400 | 12E0100285 | 'Donar' | Rhododendron smirnowii Trautv. | Germany | | 9 | 12E0100285 ** |
| 33 | 53404 | 12E0100289 | 'Papilionaceum' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100289 ** |
| 34 | 53411 | 12E0100296 | 'Blue Bell' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100296 ** |
| 35 | 53429 | 12E0100314 | 'Persil' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100314 ** |
| 36 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 9 | 12E0100318 ** |
| 37 | 53436 | 12E0100321 | 'Priska' | Rhododendron hybr. | Germany | | 9 | 12E0100321 ** |
| 38 | 53459 | 12E0100344 | 'Azurro' | Rhododendron hybr. | Germany | | 9 | 12E0100344 ** |
| 39 | 53462 | 12E0100347 | 'Rasputin' | Rhododendron hybr. | Germany | | 9 | 12E0100347 ** |
| 40 | 53464 | 12E0100349 | 'Tamarindos' | Rhododendron hybr. | Germany | | 9 | 12E0100349 ** |
| 41 | 53468 | 12E0100353 | 'Schneeauge' | Rhododendron hybr. | Germany | | 9 | 12E0100353 ** |
| 42 | 53469 | 12E0100354 | 'Hachmann's Diadem' | Rhododendron hybr. | Germany | | 9 | 12E0100354 ** |
| 43 | 53471 | 12E0100356 | 'Nicoletta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100356 ** |
| 44 | 53473 | 12E0100358 | 'Puccini' | Rhododendron hybr. | Germany | | 9 | 12E0100358 ** |
| 45 | 53474 | 12E0100359 | 'Ricarda' | Rhododendron hybr. | Germany | | 9 | 12E0100359 ** |
| 46 | 53476 | 12E0100361 | 'Sonare' | Rhododendron hybr. | Germany | | 9 | 12E0100361 ** |
| 47 | 53477 | 12E0100362 | 'Morgenrot' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100362 ** |
| 48 | 53513 | 12E0100398 | 'Schneegold' | Rhododendron hybr. | Germany | | 9 | 12E0100398 ** |
| 49 | 53527 | 12E0100412 | 'Hachmann's Charmant' | Rhododendron hybr. | Germany | | 9 | 12E0100412 ** |
| 50 | 53536 | 12E0100421 | 'Hachmann's Juanita' | Rhododendron hybr. | Germany | | 9 | 12E0100421 ** |
| 51 | 53538 | 12E0100423 | 'Janet Blair' | Rhododendron hybr. | United States | | 9 | 12E0100423 ** |
| 52 | 53544 | 12E0100429 | 'Lady Longman' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100429 ** |
| 53 | 53553 | 12E0100438 | 'Mrs T. H. Lowinsky' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100438 ** |
| 54 | 53560 | 12E0100445 | 'Silver Slipper' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100445 ** |
| 55 | 53577 | 12E0100462 | 'The General' | Rhododendron catawbiense Michx. | United States | | 9 | 12E0100462 ** |
| 56 | 53581 | 12E0100466 | 'Kalamaika' | Rhododendron hybr. | Germany | | 9 | 12E0100466 ** |
| 57 | 53668 | 12E0100554 | 'Baroness Henry Schroeder' | Rhododendron hybr. | Germany | | 9 | 12E0100554 ** |
| 58 | 53708 | 12E0100812 | 'Hyperion' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100812 ** |
| 59 | 53710 | 12E0100814 | 'Sapporo' | Rhododendron hybr. | Germany | | 9 | 12E0100814 ** |
| 60 | 53711 | 12E0100815 | 'Jock Brydon' | Rhododendron occidentale (Torr. & A. Gray) A. Gray | Oregon, United States | | 9 | 12E0100815 ** |
| 61 | 53713 | 12E0100817 | 'Multimaculatum' | Rhododendron ponticum L. | United Kingdom | | 9 | 12E0100817 ** |
| 62 | 53714 | 12E0100818 | 'Monsieur Marcel Menard' | Rhododendron hybr. | France | | 9 | 12E0100818 ** |
| 63 | 53716 | 12E0100820 | 'Bariton' | Rhododendron hybr. | Germany | | 9 | 12E0100820 ** |
| 64 | 53718 | 12E0100822 | 'Dominik' | Rhododendron hybr. | Germany | | 9 | 12E0100822 ** |
| 65 | 53719 | 12E0100823 | 'Hachmann's Kabarett' | Rhododendron hybr. | Germany | | 9 | 12E0100823 ** |
| 66 | 53725 | 12E0100829 | 'Holstein' | Rhododendron catawbiense Michx. | Germany | | 9 | 12E0100829 ** |
| 67 | 53753 | 12E0100857 | 'Orlik' | Rhododendron hybr. | Czech Republic | | 9 | 12E0100857 ** |
| 68 | 53757 | 12E0100861 | 'Karlstejn' | Rhododendron hybr. | Czech Republic | | 9 | 12E0100861 ** |
| 69 | 65918 | 12E0100893 | 'Hachmann's Mercator' | Rhododendron hybr. | Germany | | 9 | 12E0100893 ** |
| 70 | 65919 | 12E0100894 | 'Hachhans' | Rhododendron hybr. | Germany | | 9 | 12E0100894 ** |
| 71 | 67928 | 12E0100897 | 'Kozakov' | Rhododendron hybr. | Czech Republic | | 9 | 12E0100897 ** |