| 0 | 53121 | 12E0100006 | 'Don Juan' | Rhododendron hybr. | Czechoslovakia | | 3 | 12E0100006 ** |
| 1 | 53124 | 12E0100009 | 'Hurvinek' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 3 | 12E0100009 ** |
| 2 | 53144 | 12E0100029 | 'Arthur Bedford' | Rhododendron ponticum L. | United Kingdom | | 3 | 12E0100029 ** |
| 3 | 53158 | 12E0100043 | 'Everestianum' | Rhododendron catawbiense Michx. | United Kingdom | | 3 | 12E0100043 ** |
| 4 | 53168 | 12E0100053 | 'Herme' | Rhododendron hybr. | Germany | | 3 | 12E0100053 ** |
| 5 | 53173 | 12E0100058 | 'Jewess' | Rhododendron caucasicum Pall. | Germany | | 3 | 12E0100058 ** |
| 6 | 53198 | 12E0100083 | 'Admiral Piet Hein' | Rhododendron hybr. | Netherlands | | 3 | 12E0100083 ** |
| 7 | 53204 | 12E0100089 | 'Allah' | Rhododendron catawbiense Michx. | Germany | | 3 | 12E0100089 ** |
| 8 | 53209 | 12E0100094 | 'Anton' | Rhododendron catawbiense Michx. | Germany | | 3 | 12E0100094 ** |
| 9 | 53216 | 12E0100101 | 'Bashful' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 3 | 12E0100101 ** |
| 10 | 53229 | 12E0100114 | 'Darius' | Rhododendron smirnowii Trautv. | Germany | | 3 | 12E0100114 ** |
| 11 | 53236 | 12E0100121 | 'Dora Weissbach' | Rhododendron hybr. | unknown | | 3 | 12E0100121 ** |
| 12 | 53238 | 12E0100123 | 'Doktor h. c. Alexander Steffen' | Rhododendron hybr. | unknown | | 3 | 12E0100123 ** |
| 13 | 53239 | 12E0100124 | 'Madame Linden' | Rhododendron hybr. | Germany | | 3 | 12E0100124 ** |
| 14 | 53252 | 12E0100137 | 'Mount Everest' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100137 ** |
| 15 | 53253 | 12E0100138 | 'Sir Charles Butler' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 3 | 12E0100138 ** |
| 16 | 53261 | 12E0100146 | 'Gesche' | Rhododendron hybr. | Germany | | 3 | 12E0100146 ** |
| 17 | 53265 | 12E0100150 | 'Goldfinch' | Rhododendron wardii W. W. Sm. | unknown | | 3 | 12E0100150 ** |
| 18 | 53297 | 12E0100182 | 'Anuschka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100182 ** |
| 19 | 53307 | 12E0100192 | 'Frau Martha Lentschke' | Rhododendron hybr. | Germany | | 3 | 12E0100192 ** |
| 20 | 53310 | 12E0100195 | 'Hero' | Rhododendron catawbiense Michx. | Germany | | 3 | 12E0100195 ** |
| 21 | 53311 | 12E0100196 | 'Jacksonii' | Rhododendron caucasicum Pall. | unknown | | 3 | 12E0100196 ** |
| 22 | 53313 | 12E0100198 | 'Kantilene' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100198 ** |
| 23 | 53344 | 12E0100229 | 'Schneewolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100229 ** |
| 24 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 3 | 12E0100231 ** |
| 25 | 53350 | 12E0100235 | 'Brigitte' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 3 | 12E0100235 ** |
| 26 | 53369 | 12E0100254 | 'Hachmann's Junifeuer' | Rhododendron hybr. | Germany | | 3 | 12E0100254 ** |
| 27 | 53374 | 12E0100259 | 'Hachmann's Polaris' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100259 ** |
| 28 | 53379 | 12E0100264 | 'Hachmann's Ornament' | Rhododendron hybr. | Germany | | 3 | 12E0100264 ** |
| 29 | 53393 | 12E0100278 | 'Van Der Hoop' | Rhododendron hybr. | Netherlands | | 3 | 12E0100278 ** |
| 30 | 53397 | 12E0100282 | 'Admiral Vanessa' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 3 | 12E0100282 ** |
| 31 | 53405 | 12E0100290 | 'Prinses Marijke' | Rhododendron hybr. | Netherlands | | 3 | 12E0100290 ** |
| 32 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 3 | 12E0100318 ** |
| 33 | 53436 | 12E0100321 | 'Priska' | Rhododendron hybr. | Germany | | 3 | 12E0100321 ** |
| 34 | 53458 | 12E0100343 | 'Belkanto' | Rhododendron hybr. | Germany | | 3 | 12E0100343 ** |
| 35 | 53477 | 12E0100362 | 'Morgenrot' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100362 ** |
| 36 | 53478 | 12E0100363 | 'Clivia' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100363 ** |
| 37 | 53490 | 12E0100375 | 'Otto Hahn' | Rhododendron hybr. | Germany | | 3 | 12E0100375 ** |
| 38 | 53491 | 12E0100376 | 'Mrs R. S. Holford' | Rhododendron catawbiense Michx. | United Kingdom | | 3 | 12E0100376 ** |
| 39 | 53492 | 12E0100377 | 'Sarina' | Rhododendron hybr. | Germany | | 3 | 12E0100377 ** |
| 40 | 53497 | 12E0100382 | 'Albert Close' | Rhododendron maximum L. | unknown | | 3 | 12E0100382 ** |
| 41 | 53498 | 12E0100383 | 'Ariel' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 3 | 12E0100383 ** |
| 42 | 53502 | 12E0100387 | 'Berlin' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 3 | 12E0100387 ** |
| 43 | 53511 | 12E0100396 | 'Curlew' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100396 ** |
| 44 | 53517 | 12E0100402 | 'Edelweiss' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100402 ** |
| 45 | 53521 | 12E0100406 | 'Falling Snow' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United States | | 3 | 12E0100406 ** |
| 46 | 53538 | 12E0100423 | 'Janet Blair' | Rhododendron hybr. | United States | | 3 | 12E0100423 ** |
| 47 | 53540 | 12E0100425 | 'Radiant' | Rhododendron hybr. | Netherlands | | 3 | 12E0100425 ** |
| 48 | 53551 | 12E0100436 | 'Melidioso' | Rhododendron hybr. | Germany | | 3 | 12E0100436 ** |
| 49 | 53568 | 12E0100453 | 'Hachmann's Rosenelfe' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100453 ** |
| 50 | 53571 | 12E0100456 | 'Schneespiegel' | Rhododendron hybr. | Germany | | 3 | 12E0100456 ** |
| 51 | 53610 | 12E0100495 | 'Azurwolke' | Rhododendron hybr. | unknown | | 3 | 12E0100495 ** |
| 52 | 53613 | 12E0100498 | 'Blaauw's Pink' | Rhododendron hybr. | unknown | | 3 | 12E0100498 ** |
| 53 | 53626 | 12E0100511 | 'Diamant Lachs' | Rhododendron kiusianum Makino | Germany | | 3 | 12E0100511 ** |
| 54 | 53636 | 12E0100521 | 'Rauschenstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 3 | 12E0100521 ** |
| 55 | 53638 | 12E0100523 | 'Wildenstein' | Rhododendron kiusianum Makino | unknown | | 3 | 12E0100523 ** |
| 56 | 53645 | 12E0100531 | 'Satschiko' | Rhododendron hybr. | Germany | | 3 | 12E0100531 ** |
| 57 | 53647 | 12E0100533 | 'George Cunningham' | Rhododendron hybr. | unknown | | 3 | 12E0100533 ** |
| 58 | 53660 | 12E0100546 | 'Hinodegiri' | Rhododendron hybr. | Japan | | 3 | 12E0100546 ** |
| 59 | 53663 | 12E0100549 | 'Karolina Svetla' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 3 | 12E0100549 ** |
| 60 | 53667 | 12E0100553 | 'Fuego' | Rhododendron haematodes Franch. | Germany | | 3 | 12E0100553 ** |
| 61 | 53674 | 12E0100560 | 'Marilee' | Rhododendron nakaharae Hayata | unknown | | 3 | 12E0100560 ** |
| 62 | 53676 | 12E0100562 | 'Ramapo' | Rhododendron minus Michx. var. minus | unknown | | 3 | 12E0100562 ** |
| 63 | 53681 | 12E0100567 | 'Signalgluehen' | Rhododendron hybr. | Germany | | 3 | 12E0100567 ** |
| 64 | 53686 | 12E0100605 | 'Labe' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100605 ** |
| 65 | 53687 | 12E0100606 | 'Morava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100606 ** |
| 66 | 53691 | 12E0100610 | 'Sazava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100610 ** |
| 67 | 53692 | 12E0100611 | 'Vltava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100611 ** |
| 68 | 53697 | 12E0100801 | 'Sychrov' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 3 | 12E0100801 ** |
| 69 | 53699 | 12E0100803 | 'Reve d'Amour' | Rhododendron viscosum (L.) Torr. | Netherlands | | 3 | 12E0100803 ** |
| 70 | 53712 | 12E0100816 | 'Madame Albert van Hecke' | Rhododendron kaempferi Planch. | Belgium | | 3 | 12E0100816 ** |
| 71 | 53715 | 12E0100819 | 'Viscy' | Rhododendron hybr. | Germany | | 3 | 12E0100819 ** |
| 72 | 53724 | 12E0100828 | 'Schneeglanz' | Rhododendron obtusum (Lindl.) Planch. | Germany | | 3 | 12E0100828 ** |
| 73 | 53726 | 12E0100830 | 'Hermine Seidel' | Rhododendron catawbiense Michx. | Germany | | 3 | 12E0100830 ** |
| 74 | 53731 | 12E0100835 | 'Hachmann's Anastasia' | Rhododendron hybr. | Germany | | 3 | 12E0100835 ** |
| 75 | 53737 | 12E0100841 | 'Lednice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100841 ** |
| 76 | 53754 | 12E0100858 | 'Bezdez' | Rhododendron ponticum L. | Czech Republic | | 3 | 12E0100858 ** |
| 77 | 53759 | 12E0100863 | 'Lipnice' | Rhododendron hybr. | Czech Republic | | 3 | 12E0100863 ** |
| 78 | 53766 | 12E0100870 | 'Christian' | Rhododendron catawbiense Michx. | Germany | | 3 | 12E0100870 ** |
| 79 | 64798 | 12E0100880 | 'Kotnov' | Rhododendron hybr. | Czech Republic | | 3 | 12E0100880 ** |
| 80 | 67927 | 12E0100896 | 'Milesovka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100896 ** |